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Dr. Daniel L. Grimmer, MD

Accepting New Patients

(Dr. Daniel Luke Grimmer, MD)

(No ratings)

Specializes in: Blood Banking & Transfusion Medicine

University of Iowa, Carver College of Medicine

One Baylor Plaza Bcm 315 Rm 286a-1
Houston, TX 77030

(713) 785-8357

Dr. Daniel L. Grimmer, MD is a transfusion medicine specialist in Houston, TX specializing in blood banking & transfusion medicine. He graduated from University of Iowa, Carver College of Medicine. Dr. Daniel L. Grimmer, MD is affiliated with Baylor College of Medicine.

Office Locations

One Baylor Plaza Bcm 315 Rm 286a-1
Houston, TX 77030

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Noteworthy Medicare Patient Procedures Performed by Dr. Daniel L. Grimmer, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

concentrated smear of non-gynecologic specimen

By Affordability:

concentrated smear of non-gynecologic specimen

In 2023, among providers in related specialties within Texas, Dr. Daniel L. Grimmer, MD performed more concentrated smear (cytospin) of non-gynecologic specimen procedures for Medicare patients than 95% of them and he also had a list price for concentrated smear (cytospin) of non-gynecologic specimen that was lower than the list prices billed to Medicare by 95% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

cytology

immunohistochemistry test

non-gynecologic cytology

In 2012, Dr. Daniel L. Grimmer, MD had a list price for cytology, immunohistochemistry (IHC) test, and non-gynecologic cytology that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Texas. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2012 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	34
cytology	13
lab tests	181

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2013 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	31
cytology	35
lab tests	173

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	131
Female	157

**Ethnicity**
Non-Hispanic White	81
Black	145
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	50
85 and over	24
Less than 65	76

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	11
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	53
Dementia	16
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	16
cytology	35
lab tests	120

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	105
Female	149

**Ethnicity**
Non-Hispanic White	70
Black	114
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	71
85 and over	30
Less than 65	58

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	46
Asthma	15
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	58
Dementia	21
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

cytology	29
lab tests	87

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	280
Female	306

**Ethnicity**
Non-Hispanic White	350
Black	164
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	178
85 and over	48
Less than 65	96

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	41
Asthma	17
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	12
Cancer	23

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

cytology	13
lab tests	60

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	70
Female	83

**Age**
From 65 to 74	69
From 75 to 84	53
85 and over	16
Less than 65	15

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	50
Depression	25
Chronic Kidney Disease	50
Asthma	24
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	21
Cancer	25

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	23
cytology	43
lab tests	145

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	207
Female	218

**Ethnicity**
Non-Hispanic White	355
Black	27
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	128
85 and over	47
Less than 65	50

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2017

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	52
Depression	33
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	35
Chronic Obstructive Pulmonary Disease	30
Diabetes	41
Dementia	15
Cancer	27

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	24
cytology	55
lab tests	199

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	233
Female	245

**Ethnicity**
Non-Hispanic White	401
Black	41
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	145
85 and over	36
Less than 65	54

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	50
Depression	29
Chronic Kidney Disease	48
Asthma	8
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	19
Cancer	23

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2019 were lab tests and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

cytology	60
lab tests	145

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	149
Female	229

**Ethnicity**
Non-Hispanic White	321
Black	15
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	129
85 and over	32
Less than 65	37

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	52
Asthma	11
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	43
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

cytology	56
lab tests	86

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	117
Female	128

**Ethnicity**
Non-Hispanic White	208
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	62
85 and over	21
Less than 65	26

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	50
Depression	28
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	13
Cancer	23

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

cytology	42
lab tests	71

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	94
Female	103

**Ethnicity**
Non-Hispanic White	155
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	65
85 and over	16
Less than 65	26

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	47
Depression	26
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	46
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

consultation	18
cytology	53
lab tests	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	131
Female	147

**Ethnicity**
Non-Hispanic White	221
Black	25
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	68
85 and over	25
Less than 65	24

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	27
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	7
Cancer	27

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Daniel L. Grimmer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Daniel L. Grimmer, MD treated as a transfusion medicine specialist in Houston, TX were lab tests, cytology and consultation.

consultation	24
cytology	39
lab tests	120

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Daniel L. Grimmer, MD.

**Gender**
Male	137
Female	160

**Ethnicity**
Black / African American	50
Asian / Pacific Islander	0
Non-Hispanic White	196
Native American / Alaskan Native	0
Hispanic	11
Other	0

**Age**
75 to 84	86
85 and over	26
Less than 65	42
65 to 74	143

Average of Total of Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Daniel L. Grimmer, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	41
Asthma	11
Osteoporosis	9
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Atrial Fibrillation	16
Dementia	13
Cancer	20

Education & Training

Dr. Daniel L. Grimmer, MD graduated from University of Iowa, Carver College of Medicine. He has a state license in Texas.

Medical School: University of Iowa, Carver College of Medicine

Licensed In: Texas

Affiliations & Hospitals

Dr. Daniel L. Grimmer, MD is associated with these hospitals and organizations:

Baylor College of Medicine

Ratings & Reviews

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Biography

Dr. Daniel Grimmer is a physician who specializes in blood banking & transfusion medicine. He graduated from the University of Iowa, Carver College of Medicine. He is affiliated with Baylor College of Medicine. According to CommonSpirit Health, Dr. Grimmer is currently accepting new patients at his office in Houston, TX.

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Dr. Daniel L. Grimmer, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Daniel L. Grimmer, MD in 2023

By Volume:

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Daniel L. Grimmer, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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