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Home > TX Providers > Family Physicians & Family Medicine Specialists

Dr. Clarence E. Williams II, MD

Accepting New Patients

(852 Ratings)

Specializes in: Family Medicine

University of Texas Medical Branch School of Medicine (2004)

1007 US Hwy 183
Leander, TX 78641

(512) 260-4900

Dr. Clarence E. Williams II, MD is a family medicine practitioner in Leander, TX specializing in family medicine. He graduated from University of Texas Medical Branch School of Medicine in 2004 and has 22 years of experience. Dr. Clarence E. Williams II, MD is affiliated with Scott & White Clinic, Baylor Scott & White Health, Baylor Scott & White Medical Center - Buda, Baylor Scott & White Medical Center - Round Rock, Baylor Scott & White Medical Center - Pflugerville (Building 1), Baylor Scott & White Medical Center - Lakeway, Baylor Scott & White Medical Center - Temple and Baylor Scott & White Medical Center - Austin.

Office Locations

1007 US Hwy 183
Leander, TX 78641

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX during 2012 were blood draw.

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

blood draw	12
doctor visit	131

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX during 2013 were lab tests.

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	157
lab tests	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	51
Female	101

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	33
85 and over	15
Less than 65	29

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2013

Hypertension	59
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX during 2014 were breathing treatment.

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

breathing treatment	12
doctor visit	123

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	49
Female	98

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	29
85 and over	22
Less than 65	21

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2014

Hypertension	60
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	22
Depression	28
Chronic Kidney Disease	17
Asthma	7
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	63

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	60
Female	82

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	32
85 and over	22
Less than 65	28

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2015

Hypertension	69
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	21
Depression	39
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	32
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	48

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	25
Female	26

**Ethnicity**
Non-Hispanic White	36
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2017

Hypertension	59
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	0
Depression	25
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX during 2018 were lab tests.

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	182
lab tests	92

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	74
Female	70

**Ethnicity**
Non-Hispanic White	102
Black	14
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	40
85 and over	14
Less than 65	19

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2018

Hypertension	62
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX during 2019 were lab tests and preventive care.

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	223
lab tests	31
preventive care	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	85
Female	91

**Ethnicity**
Non-Hispanic White	144
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	47
85 and over	17
Less than 65	25

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2019

Hypertension	61
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	128

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	51
Female	48

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	0
85 and over	0
Less than 65	22

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2020

Hypertension	65
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	204

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	86
Female	89

**Ethnicity**
Non-Hispanic White	139
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2021

Hypertension	50
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

doctor visit	185

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	74
Female	77

**Ethnicity**
Non-Hispanic White	125
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD in 2022

Hypertension	73
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	17
Depression	20
Chronic Kidney Disease	10
Asthma	11
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Clarence E. Williams II, MD for Medicare patients.

The highest averages for the top procedures that Dr. Clarence E. Williams II, MD treated as a family medicine practitioner in Leander, TX were lab tests, preventive care and blood draw.

blood draw	12
doctor visit	144
lab tests	47
preventive care	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Clarence E. Williams II, MD.

**Gender**
Male	55
Female	68

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	97
Hispanic	6
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	25
85 and over	9
Less than 65	14
65 to 74	64

Average of Total of Conditions of Medicare patients treated by Dr. Clarence E. Williams II, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Clarence E. Williams II, MD treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	55
High Cholesterol	46
Stroke	1
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	19
Asthma	4
Osteoporosis	3
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Atrial Fibrillation	6
Cancer	2
Dementia	5

Education & Training

Dr. Clarence E. Williams II, MD graduated from University of Texas Medical Branch School of Medicine in 2004. He completed residency at University of Texas Medical Branch - Galveston. He is certified by the American Board of Family Medicine and has a state license in Texas.

Medical School: University of Texas Medical Branch School of Medicine (2004)

Residency: University of Texas Medical Branch - Galveston (2007)

Board Certification: American Board of Family Medicine

Licensed In: Texas

Affiliations & Hospitals

Dr. Clarence E. Williams II, MD is associated with these hospitals and organizations:

Scott & White Clinic

Baylor Scott & White Health

Baylor Scott & White Medical Center - Buda

Baylor Scott & White Medical Center - Round Rock

Baylor Scott & White Medical Center - Pflugerville (Building 1)

Baylor Scott & White Medical Center - Lakeway

Baylor Scott & White Medical Center - Temple

Baylor Scott & White Medical Center - Austin

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Clarence E. Williams II, MD appears to accept the following insurance providers: CIGNA Open Access, United Healthcare Select Plus, United Healthcare Select, United Healthcare Choice Plus, Humana HMO, United Healthcare Choice, Blue Choice, Aetna QPOS, TRICARE Prime, Aetna Open Choice PPO, TRICARE Extra, TRICARE, Blue California, Aetna Select, Aetna HMO, Aetna Medicare PPO, Aetna Open Access Managed Choice, CIGNA Choice Fund, Aetna Open Access Elect Choice, CIGNA Open Access Plus, Aetna Choice POS II, BlueCross BlueShield ParPlan, WellCare, AARP, Medicare Advantage, TriWest, United Healthcare, United Healthcare Navigate, Medicaid, Aetna Managed Choice, Guardian, Railroad Medicare, Humana, Cigna, United Healthcare Navigate Plus, Humana PPO, Humana ChoiceCare Network, CIGNA Open Access Plus In Network, Superior Health Plan, Aetna-Aetna Signature Administrators, Aetna-Health Network Option, Baylor Scott & White Health Plan-BSW Extended PPO, DFW ConnectedCare-American Airlines Employee Benefit Plan, Baylor Scott & White Health Plan-BSW SeniorCare Advantage PPO, Baylor Scott & White Health Plan-BSW Plus HMO-Individual/Family, Baylor Scott & White Health Plan-Hendrick Health Employee Plan, Baylor Scott & White Health Plan-Covenant Preferred HMO, Baylor Scott & White Health Plan-ERS BSW Preferred HMO Network, Baylor Scott & White Health Plan-EPO Network-Individual/Family, Aetna-Aetna Medicare Prime Plan (HMO), Baylor Scott & White Health Plan-BSW Plus HMO-Group, Aetna-Aetna Medicare Dual Complete Plan (HMO D-SNP), Nebraska Furniture Mart-Emerald, Baylor Scott & White Health Plan-BSWH Employee Network Premium (PPO)/ HDHP, Baylor Scott & White Health Plan-BSW Access PPO, Aetna-Aetna Medicare Value Plan (HMO), Baylor Scott & White Health Plan-Pyco Industries Employee Plan, Baylor Scott & White Health Plan-BSW Plus PPO-Group, Baylor Scott & White Health Plan-BSW Solutions PPO, Aetna-Group Retiree Medicare PPO - Limited to Exxon/Mobil, Nebraska Furniture Mart-Onyx, Centivo Network-Centivo Network - Baylor Scott & White Premier, Baylor Scott & White Health Plan-BSW Premier HMO-Individual/Family, Aetna-Open Access Select, Nebraska Furniture Mart-Pearl, Medicare-Traditional Medicare, Baylor Scott & White Health Plan-BSWH Employee Network (SEQA & EQA), Catalyst Health Group-Catalyst Health - Baylor Scott & White Preferred, Baylor Scott & White Health Plan-BSW Plus PPO-Individual/Family, Baylor Scott & White Health Plan-BSW SeniorCare Advantage HMO, Aetna-Health Network Only and Baylor Scott & White Health Plan-BSW Premier HMO-Group.

Insurance Accepted by Provider includes:

According to our sources, Dr. Clarence E. Williams II, MD accepts the following insurance providers:

CIGNA Open Access

United Healthcare Select Plus

United Healthcare Select

United Healthcare Choice Plus

Humana HMO

United Healthcare Choice

Blue Choice

Aetna QPOS

TRICARE Prime

Aetna Open Choice PPO

TRICARE Extra

TRICARE

Blue California

Aetna Select

Aetna HMO

Aetna Medicare PPO

Aetna Open Access Managed Choice

CIGNA Choice Fund

Aetna Open Access Elect Choice

CIGNA Open Access Plus

Aetna Choice POS II

BlueCross BlueShield ParPlan

WellCare

AARP

Medicare Advantage

TriWest

United Healthcare

United Healthcare Navigate

Medicaid

Aetna Managed Choice

Guardian

Railroad Medicare

Humana

Cigna

United Healthcare Navigate Plus

Humana PPO

Humana ChoiceCare Network

CIGNA Open Access Plus In Network

Superior Health Plan

Aetna-Aetna Signature Administrators

Aetna-Health Network Option

Baylor Scott & White Health Plan-BSW Extended PPO

DFW ConnectedCare-American Airlines Employee Benefit Plan

Baylor Scott & White Health Plan-BSW SeniorCare Advantage PPO

Baylor Scott & White Health Plan-BSW Plus HMO-Individual/Family

Baylor Scott & White Health Plan-Hendrick Health Employee Plan

Baylor Scott & White Health Plan-Covenant Preferred HMO

Baylor Scott & White Health Plan-ERS BSW Preferred HMO Network

Baylor Scott & White Health Plan-EPO Network-Individual/Family

Aetna-Aetna Medicare Prime Plan (HMO)

Baylor Scott & White Health Plan-BSW Plus HMO-Group

Aetna-Aetna Medicare Dual Complete Plan (HMO D-SNP)

Nebraska Furniture Mart-Emerald

Baylor Scott & White Health Plan-BSWH Employee Network Premium (PPO)/ HDHP

Baylor Scott & White Health Plan-BSW Access PPO

Aetna-Aetna Medicare Value Plan (HMO)

Baylor Scott & White Health Plan-Pyco Industries Employee Plan

Baylor Scott & White Health Plan-BSW Plus PPO-Group

Baylor Scott & White Health Plan-BSW Solutions PPO

Aetna-Group Retiree Medicare PPO - Limited to Exxon/Mobil

Nebraska Furniture Mart-Onyx

Centivo Network-Centivo Network - Baylor Scott & White Premier

Baylor Scott & White Health Plan-BSW Premier HMO-Individual/Family

Aetna-Open Access Select

Nebraska Furniture Mart-Pearl

Medicare-Traditional Medicare

Baylor Scott & White Health Plan-BSWH Employee Network (SEQA & EQA)

Catalyst Health Group-Catalyst Health - Baylor Scott & White Preferred

Baylor Scott & White Health Plan-BSW Plus PPO-Individual/Family

Baylor Scott & White Health Plan-BSW SeniorCare Advantage HMO

Aetna-Health Network Only

Baylor Scott & White Health Plan-BSW Premier HMO-Group

Ratings & Reviews

Dr. Clarence E. Williams II, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 852 ratings. We collect ratings and reviews of Dr. Clarence E. Williams II, MD from all over the web to help you find the right in Leander, TX.

4.91

Overall Rating

(852 Ratings)

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Reviews From Around The Web

Overall Rating: 5.0 2026-02-19

Patient verified via Press Ganey

Doctor Williams is the best doctor in Leander. He not only takes care of me but he listens to what is going on. He's there for me 24 hours a day through Snapchat and moving to Leander. I'm so glad the Lord pointed me in his direction for my medical needs. He has my diabetes under control. If I ever need another doctor, he refers me immediately. No problem on anything I love Dr. Williams he's my doctor and he's my friend and I can call up on him anytime. Thank you Dr. Williams for taking great care of me.

Overall Rating: 5.0 2024-04-18

Patient verified via Press Ganey

Before making my appointment with Clarence Williams, MD. I read all the reviews on him and other's in the BSW network. I was very happy that I decided upon seeing Dr Clarence Williams the other day. Very professional, kind, took the time to listen to all my health concerns room the time to set up and explain all the next visits. This was my first visit with a primary Care Provider since 2017(covid) made me a hermit.

Overall Rating: 5.0 2024-11-20

Patient verified via Press Ganey

I like Dr. Williams, he's personable and he listens to what I have to say about my body & general health. I ve only been a patient for six months but I will continue seeing him for my regular check ups and care when needed.

Overall Rating: 5.0 2025-07-04

Patient verified via Press Ganey

The whole staff is great. I've been seeing Clarence fir a few years now and I really enjoy our visits. The automated test results are quick and very I formative as are the attached notes.

Overall Rating: 5.0 2024-08-21

Patient verified via Press Ganey

He doesn't rush you he listens to you and is very caring. I think he is great. Most doctors are so busy they don't listen to you but Dr Williams listens. Can't say enough good about him

Overall Rating: 5.0 2024-03-20

Patient verified via Press Ganey

Dr Williams is The Best!! He patiently listens to all of my concerns. Addresses all my needs and is very easy to talk to. He's very professional and personable. Love Dr. Williams!

Overall Rating: 5.0 2026-02-05

Patient verified via Press Ganey

Dr. Williams is very thorough and listens very well he took care of all my concerns and I left very confident in the plans he made for my care

Overall Rating: 5.0 2025-05-01

Patient verified via Press Ganey

Dr. Williams treats patients with care and dignity. His knowledge inspires trust, and his reputation among his peers is outstanding.

Overall Rating: 5.0 2025-01-20

Patient verified via Press Ganey

Although he tried to help me and couldn't find anything, he did all he could. Pleasant and didn't try to rush me out quickly.

Overall Rating: 5.0 2024-09-03

Patient verified via Press Ganey

I really appreciate Dr Williams taking the time to be sure I understand what's going on. He's an awesome medical doctor

To see all 852 reviews for Dr. Clarence E. Williams II, MD, view their full profile.

General Payments

These charts describe general payments received by Dr. Clarence E. Williams II, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novo Nordisk Inc	$194 Ozempic $182	Xultophy 100/3.6 $13
GlaxoSmithKline, LLC.	$117 SHINGRIX $117
Boehringer Ingelheim Pharmaceuticals, Inc.	$107 JARDIANCE $107
Dexcom, Inc.	$57 Dexcom CGM $57
Alevio, LLC	$48 SICURE SACROILIAC JOINT FUSION SYSTEM $48
Other	$70 Iovera $33	t-slim insulin pump $19	REXULTI $18

**Types of Payments**
Food and Beverage	$595

Biography

Dr. Clarence Williams is a specialist in family medicine. He has received a 5.0 out of 5 star rating by his patients. Dr. Williams seems to honor United Healthcare Navigate, Blue California, Humana ChoiceCare Network, and more. He is a graduate of the University of Texas Medical Branch School of Medicine. He is affiliated with Scott & White Clinic. Doctor.com reports that he is accepting new patients at his office in Leander, TX.