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Dr. John Richard Zwiener, MD

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Specializes in: Clinical Pathology and Anatomic Pathology

2430 W Pierce Street
Carlsbad, NM 88220

(575) 887-4133

Dr. John Richard Zwiener, MD is a clinical pathologist in Carlsbad, NM specializing in clinical pathology and anatomic pathology. Dr. John Richard Zwiener, MD is affiliated with Carlsbad Medical Center.

Office Locations

Carlsbad Medical Center

2430 W Pierce Street
Carlsbad, NM 88220

(575) 887-4133

(575) 887-4495

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Noteworthy Medicare Patient Procedures Performed by Dr. John Richard Zwiener, MD in 2023

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

Top 5%

By Affordability:

concentrated smear of non-gynecologic specimen

consultation

cytology

intraoperative pathology consultation

lab tests

non-gynecologic cytology

special stains

In 2023, Dr. John Richard Zwiener, MD had a list price for concentrated smear (cytospin) of non-gynecologic specimen, consultation, cytology, intraoperative pathology consultation, lab tests, non-gynecologic cytology, and special stains that was lower than the list prices billed to Medicare by 95% of providers in related specialties within New Mexico. 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 10%

By Volume:

special stains

In 2023, Dr. John Richard Zwiener, MD performed more special stains procedures for Medicare patients than 90% of providers in related specialties within New Mexico.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2012 were lab tests, cytology, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

aspiration	25
consultation	14
cytology	68
diagnostic procedures	25
lab tests	633
minimally invasive procedures	25
minor procedures	25

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	55
lab tests	476

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	307
Female	365

**Ethnicity**
Non-Hispanic White	462
Black	12
Hispanic	182
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	205
85 and over	72
Less than 65	119

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	21
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2014 were lab tests, cytology, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

aspiration	16
cytology	20
diagnostic procedures	16
lab tests	299
minimally invasive procedures	16
minor procedures	16

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	228
Female	292

**Ethnicity**
Non-Hispanic White	355
Black	0
Hispanic	149
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	217
From 75 to 84	170
85 and over	53
Less than 65	80

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2014

Hypertension	74
High Cholesterol	56
Stroke	2
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2015 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	12
lab tests	275

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	434
Female	482

**Ethnicity**
Non-Hispanic White	642
Black	0
Hispanic	244
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	376
From 75 to 84	264
85 and over	120
Less than 65	156

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2015

Hypertension	75
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	24
Asthma	14
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

consultation	11
cytology	33
lab tests	350

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	252
Female	294

**Ethnicity**
Non-Hispanic White	347
Black	0
Hispanic	182
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	144
85 and over	55
Less than 65	101

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2016

Hypertension	74
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	23
Asthma	22
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	28
lab tests	320

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	259
Female	292

**Ethnicity**
Non-Hispanic White	383
Black	0
Hispanic	154
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	130
85 and over	66
Less than 65	98

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2017

Hypertension	73
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	33
Depression	26
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2018 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	18
lab tests	321

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	277
Female	305

**Ethnicity**
Non-Hispanic White	379
Black	0
Hispanic	184
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	153
85 and over	62
Less than 65	114

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2018

Hypertension	75
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2019 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

consultation	14
cytology	54
lab tests	360

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	320
Female	386

**Ethnicity**
Non-Hispanic White	480
Black	0
Hispanic	203
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	194
85 and over	102
Less than 65	118

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	21
lab tests	238

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	216
Female	250

**Ethnicity**
Non-Hispanic White	310
Black	0
Hispanic	137
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	129
85 and over	64
Less than 65	58

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	3
Ischemic Heart Disease	39
Depression	25
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	26
lab tests	179

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	212
Female	239

**Ethnicity**
Non-Hispanic White	319
Black	0
Hispanic	120
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	137
85 and over	43
Less than 65	59

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	4
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	39
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM during 2022 were lab tests and cytology.

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

cytology	20
lab tests	220

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Male	179
Female	228

**Ethnicity**
Non-Hispanic White	275
Black	0
Hispanic	117
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	118
85 and over	55
Less than 65	44

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	22
Depression	25
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Richard Zwiener, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Richard Zwiener, MD treated as a clinical pathologist in Carlsbad, NM were lab tests, cytology, minor procedures and minimally invasive procedures.

aspiration	20
consultation	13
cytology	32
diagnostic procedures	20
lab tests	333
minimally invasive procedures	20
minor procedures	20

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Richard Zwiener, MD.

**Gender**
Female	284
Male	244

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	359
Native American / Alaskan Native	0
Hispanic	152
Other	0

**Age**
85 and over	62
75 to 84	149
Less than 65	86
65 to 74	230

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

The highest averages of the most common conditions of Medicare patients that Dr. John Richard Zwiener, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	67
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	23
Asthma	9
Osteoporosis	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Atrial Fibrillation	9
Dementia	9
Cancer	12

Education & Training

He is certified by the American Board of Pathology Pathology-Anatomic/Pathology-Clinical and has a state license in New Mexico.

Board Certification: American Board of Pathology Pathology-Anatomic/Pathology-Clinical

Licensed In: New Mexico

Affiliations & Hospitals

Dr. John Richard Zwiener, MD is associated with these hospitals and organizations:

Carlsbad Medical Center

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. John Richard Zwiener, 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.	$13 ERBITUX $13

**Types of Payments**
Food and Beverage	$13

Biography

Dr. John Zwiener's areas of specialization are anatomic pathology and clinical pathology. He attended medical school at the University of Texas Medical School at Houston. He is affiliated with Carlsbad Medical Center.

Select Year:

Dr. John Richard Zwiener, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Richard Zwiener, MD in 2023

By Affordability:

By Volume:

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 Richard Zwiener, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Richard Zwiener, 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 Richard Zwiener, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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