Active NPI 1871723478 Individual Practitioner Male Practitioner

Dr. Christopher Wienczewski , MD

Pathology - Anatomic Pathology • Kalamazoo, MI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Wienczewski, MD is a certified Pathology - Anatomic Pathology practicing in Kalamazoo, MI. With approximately 17 years of clinical experience since graduating from Wayne State University School Of Medicine in 2009, Dr. Wienczewski delivers high-quality medical care to the local community at 601 JOHN ST.

Dr. Wienczewski is affiliated with Patholgy Services Of Kalamazoo Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, cell examination of specimen, selective cellular enhancement technique. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

601 John St
Pathology Services Of Kalamazoo

Kalamazoo, MI 490075341

Telephone 2489189775

Associated Practice Facility / Clinic

🏢 Patholgy Services Of Kalamazoo, Pc Facility NPI 1548243595

Medicare Profile & Education

Medical School

Wayne State University School Of Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pathology - Anatomic Pathology in Kalamazoo, MI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs Matches City Avg

City Avg: 17.0 Yrs

State Avg: 24.3 Yrs

Regional Practice Density

1 Specialists

Practicing in Kalamazoo, MI (112 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

78.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wienczewski (17 Years) 17 Yrs

Kalamazoo Specialty Average (17.0 Years) 17.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	841	470	$185.00	$34.47
88341 Special stained specimen slides to examine tissue	411	74	$100.00	$24.90
88112 Cell examination of specimen, selective cellular enhancement technique	172	154	$137.00	$25.31
88342 Special stained specimen slides to examine tissue, initial procedure	124	109	$125.00	$31.87
88307 Pathology examination of tissue using a microscope, moderately high complexity	98	65	$300.00	$75.58
88311 Preparation of tissue for examination by removing any calcium present	79	77	$47.00	$11.22
88173 Evaluation of fine needle aspirate with interpretation and report	76	59	$250.00	$64.02
88304 Pathology examination of tissue using a microscope, moderately low complexity	64	60	$125.00	$10.22
88360 Microscopic genetic analysis of tumor	57	24	$180.00	$38.57
88313 Special stained specimen slides to examine tissue including interpretation and report	20	18	$45.00	$10.86
88309 Pathology examination of tissue using a microscope, high complexity	16	13	$525.00	$117.22
88312 Special stained specimen slides to identify organisms including interpretation and report	16	13	$95.00	$24.67
88300 Pathology examination of tissue using a microscope, limited examination	15	14	$45.00	$4.04
88363 Examination of archival tissue for genetic analysis	14	14	$100.00	$18.02
88172 Evaluation of fine needle aspirate	13	11	$130.00	$32.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	847	490	$184.30	$35.04
88341 Special stained specimen slides to examine tissue	267	63	$97.98	$26.73
88112 Cell examination of specimen, selective cellular enhancement technique	166	149	$137.00	$26.14
88342 Special stained specimen slides to examine tissue, initial procedure	118	103	$125.00	$32.74
88307 Pathology examination of tissue using a microscope, moderately high complexity	111	66	$295.05	$77.81
88311 Preparation of tissue for examination by removing any calcium present	75	73	$46.72	$11.74
88304 Pathology examination of tissue using a microscope, moderately low complexity	61	56	$125.00	$10.53
88360 Microscopic genetic analysis of tumor	54	20	$180.00	$39.46
88173 Evaluation of fine needle aspirate with interpretation and report	50	39	$234.52	$65.27
88312 Special stained specimen slides to identify organisms including interpretation and report	24	18	$92.42	$25.14
88300 Pathology examination of tissue using a microscope, limited examination	18	18	$45.00	$4.25
88309 Pathology examination of tissue using a microscope, high complexity	17	15	$501.47	$136.57
88363 Examination of archival tissue for genetic analysis	11	11	$100.00	$18.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	776	498	$184.56	$36.07
88341 Special stained specimen slides to examine tissue	507	96	$98.58	$27.34
88112 Cell examination of specimen, selective cellular enhancement technique	229	193	$137.00	$26.92
88311 Preparation of tissue for examination by removing any calcium present	147	139	$46.90	$11.97
88342 Special stained specimen slides to examine tissue, initial procedure	132	119	$125.00	$33.78
88173 Evaluation of fine needle aspirate with interpretation and report	107	64	$241.16	$67.55
88307 Pathology examination of tissue using a microscope, moderately high complexity	105	76	$297.14	$78.78
88304 Pathology examination of tissue using a microscope, moderately low complexity	77	74	$125.00	$10.80
88360 Microscopic genetic analysis of tumor	43	16	$180.00	$40.56
88312 Special stained specimen slides to identify organisms including interpretation and report	34	16	$95.00	$25.68
88313 Special stained specimen slides to examine tissue including interpretation and report	20	19	$45.00	$11.83
88363 Examination of archival tissue for genetic analysis	16	16	$100.00	$18.91
88108 Cell examination of specimen, concentration technique	15	14	$79.33	$21.85
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	13	13	$611.69	$173.02
88300 Pathology examination of tissue using a microscope, limited examination	12	12	$45.00	$4.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,030	687	$182.67	$36.71
88341 Special stained specimen slides to examine tissue	419	91	$98.54	$27.96
88311 Preparation of tissue for examination by removing any calcium present	274	259	$45.88	$12.20
88112 Cell examination of specimen, selective cellular enhancement technique	228	202	$137.00	$27.22
88307 Pathology examination of tissue using a microscope, moderately high complexity	158	105	$286.92	$81.37
88304 Pathology examination of tissue using a microscope, moderately low complexity	143	139	$125.00	$11.20
88342 Special stained specimen slides to examine tissue, initial procedure	141	123	$125.00	$34.46
88173 Evaluation of fine needle aspirate with interpretation and report	85	54	$242.66	$69.58
88360 Microscopic genetic analysis of tumor	43	19	$180.00	$41.32
88300 Pathology examination of tissue using a microscope, limited examination	27	26	$45.00	$4.42
88312 Special stained specimen slides to identify organisms including interpretation and report	24	12	$89.46	$26.30
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	16	16	$605.88	$174.84
88172 Evaluation of fine needle aspirate	13	13	$129.08	$35.07
88309 Pathology examination of tissue using a microscope, high complexity	13	13	$488.69	$143.28
G0124 Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician	12	12	$85.50	$20.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,102	600	$180.00	$38.35
88341 Special stained specimen slides to examine tissue	249	60	$95.81	$29.08
88112 Cell examination of specimen, selective cellular enhancement technique	174	150	$137.00	$27.98
88311 Preparation of tissue for examination by removing any calcium present	140	132	$44.64	$12.74
88342 Special stained specimen slides to examine tissue, initial procedure	125	104	$125.00	$35.96
88307 Pathology examination of tissue using a microscope, moderately high complexity	120	88	$284.51	$84.74
88304 Pathology examination of tissue using a microscope, moderately low complexity	101	98	$125.00	$11.60
88360 Microscopic genetic analysis of tumor	56	22	$180.00	$41.45
88173 Evaluation of fine needle aspirate with interpretation and report	46	37	$228.67	$71.43
88312 Special stained specimen slides to identify organisms including interpretation and report	33	27	$92.18	$27.38
88331 Pathology examination of specimen during surgery, first tissue block	29	11	$221.00	$63.87
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	20	20	$602.85	$182.14
88300 Pathology examination of tissue using a microscope, limited examination	14	14	$45.00	$4.62
88108 Cell examination of specimen, concentration technique	11	11	$78.18	$22.99
88309 Pathology examination of tissue using a microscope, high complexity	11	11	$516.00	$149.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,107	684	$180.00	$38.22
88341 Special stained specimen slides to examine tissue	269	67	$92.77	$28.97
88112 Cell examination of specimen, selective cellular enhancement technique	247	217	$137.00	$28.31
88307 Pathology examination of tissue using a microscope, moderately high complexity	129	87	$274.16	$84.27
88342 Special stained specimen slides to examine tissue, initial procedure	120	110	$125.00	$35.87
88108 Cell examination of specimen, concentration technique	106	79	$78.41	$22.76
88304 Pathology examination of tissue using a microscope, moderately low complexity	86	81	$125.00	$11.44
88173 Evaluation of fine needle aspirate with interpretation and report	64	51	$215.80	$71.77
88312 Special stained specimen slides to identify organisms including interpretation and report	46	37	$84.87	$27.00
88300 Pathology examination of tissue using a microscope, limited examination	45	43	$45.00	$4.56
88360 Microscopic genetic analysis of tumor	41	14	$180.00	$43.12
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	27	27	$594.11	$180.66
88333 Pathology cytologic examination of specimen during surgery, initial site	26	26	$215.15	$63.63
88313 Special stained specimen slides to examine tissue including interpretation and report	15	13	$45.00	$12.28
88172 Evaluation of fine needle aspirate	15	12	$127.00	$36.71
88311 Preparation of tissue for examination by removing any calcium present	13	12	$41.15	$12.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,056	621	$179.94	$37.84
88341 Special stained specimen slides to examine tissue	211	61	$64.00	$28.66
88112 Cell examination of specimen, selective cellular enhancement technique	170	160	$137.00	$28.04
88307 Pathology examination of tissue using a microscope, moderately high complexity	117	88	$250.00	$84.13
88342 Special stained specimen slides to examine tissue, initial procedure	103	97	$125.00	$35.94
88304 Pathology examination of tissue using a microscope, moderately low complexity	100	93	$126.25	$11.58
88108 Cell examination of specimen, concentration technique	84	75	$70.00	$22.51
88311 Preparation of tissue for examination by removing any calcium present	76	72	$40.00	$12.67
88173 Evaluation of fine needle aspirate with interpretation and report	58	36	$164.00	$71.82
88360 Microscopic genetic analysis of tumor	43	15	$180.00	$44.83
88300 Pathology examination of tissue using a microscope, limited examination	43	39	$45.00	$4.43
88333 Pathology cytologic examination of specimen during surgery, initial site	41	41	$145.00	$63.77
88312 Special stained specimen slides to identify organisms including interpretation and report	29	22	$64.00	$26.99
88172 Evaluation of fine needle aspirate	27	17	$75.00	$36.56
88177 Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode	26	11	$63.00	$22.40
88331 Pathology examination of specimen during surgery, first tissue block	25	16	$145.00	$63.74
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	14	14	$500.00	$179.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	1,006	588	$179.94	$37.79
88341 Special stained specimen slides to examine tissue	226	78	$64.00	$28.39
88307 Pathology examination of tissue using a microscope, moderately high complexity	116	79	$250.00	$82.75
88342 Special stained specimen slides to examine tissue, initial procedure	115	110	$125.00	$35.60
88304 Pathology examination of tissue using a microscope, moderately low complexity	115	109	$126.60	$11.69
88112 Cell examination of specimen, selective cellular enhancement technique	91	89	$137.00	$27.44
88311 Preparation of tissue for examination by removing any calcium present	78	76	$40.00	$12.72
88173 Evaluation of fine needle aspirate with interpretation and report	71	34	$163.62	$68.84
88360 Microscopic genetic analysis of tumor	54	24	$180.00	$54.28
88300 Pathology examination of tissue using a microscope, limited examination	50	47	$45.00	$4.48
88108 Cell examination of specimen, concentration technique	47	44	$70.00	$22.71
88177 Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode	47	13	$63.00	$22.33
88172 Evaluation of fine needle aspirate	46	21	$75.00	$35.88
88333 Pathology cytologic examination of specimen during surgery, initial site	45	44	$145.00	$63.57
88312 Special stained specimen slides to identify organisms including interpretation and report	32	26	$64.00	$27.22
88331 Pathology examination of specimen during surgery, first tissue block	30	17	$145.00	$63.21
88309 Pathology examination of tissue using a microscope, high complexity	18	17	$325.00	$141.72
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	14	14	$500.00	$178.98

Medical Specialties & State Licenses

CMS Verified: 2021-09-29

Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

State License MI 4301095144

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1871723478 (MI)

Commercial Insurance / Payer ID Medical License

4301095144 (MI)

Hospital & Practice Group Affiliations

Patholgy Services Of Kalamazoo Pc

601 John St, Kalamazoo, MI 490075341

Phone: 2693417654

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Amanda Walker , DO

Obstetrics & Gynecology

NPI 1003043050

Doctor of Osteopathic Medicine (D.O.)

Dr. Andrew Walker , MD

Emergency Medicine

NPI 1003344599

Doctor of Medicine (M.D.)

Justine Oudsema , PA-C

Physician Assistant

NPI 1003365396

Physician Assistant (Certified)

Ochuko Oghor , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003423237

Certified Registered Nurse Anesthetist

Dr. Eric Shay , MD

Internal Medicine

NPI 1003858770

Doctor of Medicine (M.D.)

Danielle Allman , NP

Nurse Practitioner

NPI 1013117209

Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

📍

Updated Business Mailing Address September 13, 2019

Registered at 5700 SOUTHWYCK BLVD, TOLEDO, OH 436141509 (Tel: 8002888325)

✅

NPI Profile Active June 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location June 14, 2014

Registered at 601 JOHN ST, PATHOLOGY SERVICES OF KALAMAZOO, KALAMAZOO, MI 490075341 (Tel: 2489189775)

📍

Updated Business Mailing Address June 14, 2014

Registered at 601 JOHN ST, PATHOLOGY ASSOCIATES OF KALAMAZOO, KALAMAZOO, MI 490075341 (Tel: 2489189775)

👤

Provider Name / Credentials Updated June 14, 2014

Recorded as CHRISTOPHER WIENCZEWSKI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 14, 2014

Pathology (License #4301095144 in MI)

🟢

Initial NPI Registration & Enumeration July 17, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1871723478

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 17, 2009

Last Update: September 29, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5700 Southwyck Blvd

Toledo, OH 436141509

Phone: 8002888325

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.