In 2023, Dr. John Thomas Zimmermann, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Alaska. 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 Volume:

intravenous infusion

By Affordability:

intravenous infusion

In 2012, among providers in related specialties within Alaska, Dr. John Thomas Zimmermann, MD performed more intravenous (IV) infusion procedures for Medicare patients than 75% of them and he also had a list price for intravenous (IV) infusion that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2012 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	176
blood draw	161
chemotherapy	176
doctor visit	434
lab tests	640
minimally invasive procedures	209

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2013 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	198
blood draw	179
chemotherapy	198
doctor visit	387
lab tests	651
minimally invasive procedures	259

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	78
Female	123

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2013

Hypertension	65
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	0
Cancer	49

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2014 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	149
blood draw	115
chemotherapy	149
doctor visit	326
lab tests	467
minimally invasive procedures	171

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	92
Female	102

**Ethnicity**
Non-Hispanic White	175
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	51
85 and over	11
Less than 65	23

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2014

Hypertension	64
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	6
Cancer	55

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2015 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	88
blood draw	95
chemotherapy	88
doctor visit	255
lab tests	330
minimally invasive procedures	88

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	164
Female	204

**Ethnicity**
Non-Hispanic White	326
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	100
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2015

Hypertension	62
High Cholesterol	35
Stroke	9
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	32
Asthma	13
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	8
Cancer	55

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

doctor visit	218

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	89
Female	99

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	0
Other	0
Native American	92

**Age**
From 65 to 74	78
From 75 to 84	63
85 and over	14
Less than 65	33

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2018

Hypertension	47
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	24
Depression	18
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	29
Diabetes	22
Dementia	9
Cancer	53

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

doctor visit	85

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	27
Female	16

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

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2019

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

doctor visit	16

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2020

Hypertension	67
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2021 were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	209
blood draw	156
chemotherapy	209
doctor visit	573
hormone therapy	26
lab tests	635
minimally invasive procedures	351
port flush	38
radiation therapy	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	144
Female	150

**Ethnicity**
Non-Hispanic White	249
Black	0
Hispanic	0
Asian	0
Other	0
Native American	31

**Age**
From 65 to 74	122
From 75 to 84	102
85 and over	34
Less than 65	36

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2021

Hypertension	55
High Cholesterol	21
Stroke	0
Ischemic Heart Disease	33
Depression	21
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	9
Cancer	39

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK during 2022 were lab tests, minimally invasive procedures, blood draw and chemotherapy.

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

biological response modifier (BRM) therapy	310
blood draw	319
chemotherapy	310
doctor visit	891
hormone therapy	49
lab tests	1369
minimally invasive procedures	542
port flush	53
radiation therapy	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Male	154
Female	197

**Ethnicity**
Non-Hispanic White	306
Black	0
Hispanic	0
Asian	0
Other	0
Native American	31

**Age**
From 65 to 74	157
From 75 to 84	124
85 and over	36
Less than 65	34

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2022

Hypertension	69
High Cholesterol	40
Stroke	5
Ischemic Heart Disease	19
Depression	19
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	19
Atrial Fibrilation	18
Heart Failure	16
Chronic Obstructive Pulmonary Disease	22
Diabetes	26
Dementia	4
Cancer	45

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Thomas Zimmermann, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Thomas Zimmermann, MD treated as a medical oncologist in Palmer, AK were lab tests, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

biological response modifier (BRM) therapy	188
blood draw	170
chemotherapy	188
doctor visit	353
hormone therapy	37
lab tests	682
minimally invasive procedures	270
radiation therapy	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Thomas Zimmermann, MD.

**Gender**
Female	99
Male	83

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	141
Native American / Alaskan Native	17
Hispanic	0
Other	0

**Age**
85 and over	10
75 to 84	55
Less than 65	14
65 to 74	89

Average of Total of Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Thomas Zimmermann, MD treated were hypertension, cancer, high cholesterol and diabetes.

Hypertension	56
High Cholesterol	35
Stroke	1
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	23
Asthma	3
Osteoporosis	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Atrial Fibrillation	8
Dementia	4
Cancer	49

Education & Training

He has a state license in Alaska.

Licensed In: Alaska

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Thomas Zimmermann, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
E.R. Squibb & Sons, L.L.C.	$584 OPDIVO $361	SPRYCEL $64	Reblozyl $62	YERVOY $30	Ixempra $21	Other $45
AstraZeneca Pharmaceuticals LP	$545 IMFINZI $276	TAGRISSO $125	CALQUENCE $125	FASLODEX $19
EMD Serono, Inc.	$457 BAVENCIO $436	$20
Myriad Genetic Laboratories, Inc.	$417 myRisk $417
Amgen Inc.	$370 XGEVA $121	Vectibix $104	Kyprolis $34	$112
Other	$2,572 Cabometyx $272	LIBTAYO $158	PADCEV $140	Vonjo $132	Abraxane $126	Other $1,744

**Types of Payments**
Food and Beverage	$4,815
Education	$130

Biography

Dr. John Zimmermann practices adult oncology and medical oncology in Palmer, AK. Dr. Zimmermann has obtained a license to practice in Alaska.

Select Year:

Dr. John Thomas Zimmermann, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Thomas Zimmermann, MD in 2023

By Affordability:

By Volume:

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. John Thomas Zimmermann, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2015

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Thomas Zimmermann, 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. John Thomas Zimmermann, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Palmer, AK