Dr. Christopher Allen Wienczewski, MD

  • Kalamazoo, MI
  • Pathologist
NPI1871723478PAC ID9537392790
Medicare services, 2024
2,016
Medicare patients, 2024
696
Hospital affiliations
5
Industry payments
$18
Medical groups
4
Practice address
601 John Street, Kalamazoo, MI 49007
Practice phone
Call (269) 341-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bronson Methodist Hospital

Hospital · Kalamazoo, Michigan

See all 9 affiliations

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Dr. Christopher Allen Wienczewski is a pathologist in Kalamazoo, Michigan

Dr. Wienczewski practices at Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group.

Dr. Wienczewski's NPI, 1871723478, was assigned on July 17, 2009. Dr. Wienczewski graduated from Wayne State University School of Medicine in 2009. Dr. Wienczewski holds Michigan license 4301095144.

NPI and contact details
Medicare PAC ID
9537392790
NPI enumeration date
July 17, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(269) 341-6000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christopher Allen Wienczewski practices at Bronson Methodist Hospital in Kalamazoo, Michigan

Dr. Wienczewski's primary practice is Bronson Methodist Hospital, at 601 John Street, Kalamazoo, MI 49007 in Kalamazoo County. The practice phone is (269) 341-6000.

Source: Dmand AI Affiliation Data

Dr. Christopher Allen Wienczewski is affiliated with 5 sites of care and 4 medical groups

Dr. Wienczewski's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Dr. Wienczewski is also affiliated with University Hospital. The medical group on file is Bronson Medical Group. Dmand AI also links Dr. Wienczewski to 3 more hospitals and 3 medical groups, each named with a free account.

See all 9 affiliations for Dr. Wienczewski

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Christopher Allen Wienczewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wienczewski practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bronson Methodist HospitalAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christopher Allen Wienczewski is one of 73 pathologists in Michigan

Anatomic pathology is Dr. Wienczewski's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Wienczewski is licensed in Michigan.

Specialties and state licenses

  • Anatomic pathology, MichiganPrimaryLicense 4301095144 · taxonomy 207ZP0101X

Pathologists near Dr. Wienczewski

Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Christopher Allen Wienczewski billed Medicare for 2,016 services in 2024

CMS data shows 2,016 Medicare services from Dr. Wienczewski across 15 procedure codes in 2024, for 696 Medicare patients. Medicare paid $52,349 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20242,016
Medicare patients696
Paid by Medicare$52,349
Procedure codes15

Dr. Wienczewski's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 1,8192024: 2,01611%

Dr. Wienczewski compared with the Michigan median for pathologists, 2024

  • Dr. Wienczewski
  • Michigan median
Medicare services
2,016vs 7202.8 times
Medicare patients
696vs 3092.3 times

Medians across 73 pathologists in Michigan with Dmand AI profiles that report each measure.

Dr. Wienczewski's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wienczewski

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christopher Allen Wienczewski treated 696 Medicare patients in 2024, average age 73

CMS counts 696 Medicare patients who saw Dr. Wienczewski in 2024. The largest group is 65 to 74, with 349 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Wienczewski's median patient age at 54, with 67% women.

Medicare patients, 2024696
Average age73
Average risk score1.47
Also on Medicaid10%

Dr. Wienczewski's Medicare patients by age, 2024

Dr. Wienczewski's Medicare patients by sex, 2024

  • Women37554%
  • Men32146%

Chronic conditions among Dr. Wienczewski's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis52%
  4. Chronic kidney disease32%
  5. Diabetes32%
  6. Mood disorders30%
  7. Cancer29%
  8. Depression28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Wienczewski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women67%
  • Men33%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. Christopher Allen Wienczewski takes part in Medicare

Dr. Wienczewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Christopher Allen Wienczewski received $18 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Wienczewski from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Roche Diagnostics Corporation paid the most, $18.

Companies that paid Dr. Wienczewski the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Wienczewski

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Christopher Allen Wienczewski graduated from Wayne State University School of Medicine

Dr. Wienczewski graduated from Wayne State University School of Medicine in 2009.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Christopher Allen Wienczewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Christopher Allen Wienczewski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Christopher Allen Wienczewski's NPI number?

Dr. Christopher Allen Wienczewski's NPI number is 1871723478. It was assigned on July 17, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher Allen Wienczewski?

Dr. Christopher Allen Wienczewski is a pathologist in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).

Where does Dr. Christopher Allen Wienczewski practice?

Dr. Wienczewski practices at 601 John Street, Kalamazoo, MI 49007. Dr. Wienczewski's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Dmand AI also links Dr. Wienczewski to 3 hospitals and 3 medical groups.

What is Dr. Christopher Allen Wienczewski's office phone number?

The practice phone on file for Dr. Wienczewski is (269) 341-6000.

What is Dr. Christopher Allen Wienczewski's medical license number?

Dr. Wienczewski holds Michigan license 4301095144.

Which hospitals is Dr. Christopher Allen Wienczewski affiliated with?

Dr. Wienczewski practices at Bronson Methodist Hospital in Kalamazoo, Michigan. Dr. Wienczewski is also affiliated with University Hospital. Dmand AI links Dr. Wienczewski to 3 more hospitals.

What medical group is Dr. Christopher Allen Wienczewski part of?

Dr. Wienczewski is linked to Bronson Medical Group. Dmand AI links Dr. Wienczewski to 3 more medical groups.

Does Dr. Christopher Allen Wienczewski accept Medicare?

Yes. CMS data shows Dr. Wienczewski billed Medicare for 2,016 services in 2024, and Dr. Wienczewski accepts Medicare assignment.

How many Medicare patients does Dr. Christopher Allen Wienczewski see?

CMS counts 696 Medicare patients who saw Dr. Wienczewski in 2024, with an average age of 73.

What services does Dr. Christopher Allen Wienczewski bill to Medicare?

In 2024, Dr. Wienczewski's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88112).

Show 3 more questionsShow fewer questions

Where did Dr. Christopher Allen Wienczewski go to medical school?

Dr. Wienczewski graduated from Wayne State University School of Medicine in 2009.

Has Dr. Christopher Allen Wienczewski received payments from drug or device companies?

CMS Open Payments shows $18 in general payments to Dr. Wienczewski from 1 company from 2024 to 2024. The largest total came from Roche Diagnostics Corporation.

How long has Dr. Christopher Allen Wienczewski been practicing?

Dr. Wienczewski graduated from medical school in 2009, 17 years ago.

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