Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1649277211 Deactivated / Inactive NPI Male Practitioner

Dr. Michael Casmir Kowalczyk , DO

Internal Medicine • Lansing, MI

✓ Accepts Medicare Assignment
⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Michael Kowalczyk has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date June 28, 2005
NPI Deactivation Date March 17, 2006
Total Practice Duration ~18 Years of Practice (1988 – 2006)

Professional Overview & Biography Verified Profile Summary

Dr. Michael Kowalczyk, DO was a registered Internal Medicine in Lansing, MI. Prior to record deactivation on 2006-03-17, Dr. Kowalczyk completed approximately 18 years of clinical practice following graduation from Michigan State University College Of Osteopathic Medicine in 1988.

Dr. Kowalczyk maintained professional affiliations with Eaton Rapids Medical Center, Capital Internal Medicine Associates P.C. and accepted Medicare assignment.

Historical Medicare Part B clinical services included subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit, dxa bone density measurement of hip, pelvis, spine. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

3955 Patient Care Dr Ste A

Lansing, MI 489114271

Telephone 5173747600
Fax 8854809150
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Michigan State University College Of Osteopathic Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lansing, MI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
38 Yrs +20.3 yrs vs City Avg
City Avg: 17.7 Yrs
State Avg: 26.5 Yrs
Regional Practice Density
138 Specialists

Practicing in Lansing, MI (6010 Statewide)

Telehealth Adoption Rate
9.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
33.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kowalczyk (38 Years) 38 Yrs
Lansing Specialty Average (17.7 Years) 17.7 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
289 129 $105.12 $79.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
202 116 $180.03 $125.39
77080 Dxa bone density measurement of hip, pelvis, spine
180 180 $69.00 $37.65
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk
176 176 $74.00 $38.69
99213 Established patient office or other outpatient visit, typically 15 minutes
130 100 $124.72 $90.24
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
99 99 $233.00 $131.41
G0444 Annual depression screening, 5 to 15 minutes
94 94 $32.65 $18.37
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
71 40 $158.57 $119.78
99239 Hospital discharge day management, more than 30 minutes
64 63 $206.43 $113.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
35 35 $236.47 $170.44
99238 Hospital discharge day management, 30 minutes or less
32 32 $145.00 $81.34
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
28 27 $21.00 $16.60
99231 Follow-up hospital inpatient care per day, typically 15 minutes
23 14 $65.00 $49.88
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
22 22 $298.00 $168.24
99495 Transitional care management services for problem of at least moderate complexity
20 16 $270.00 $206.22
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and
19 18 $94.00 $53.04
G0008 Administration of influenza virus vaccine
18 18 $34.72 $30.79
90662 Influenza vaccine split virus, preservative free
17 17 $87.82 $81.24
83036 Hemoglobin A1C level
16 15 $17.00 $9.52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
13 13 $182.12 $131.74

Medical Specialties & State Licenses

CMS Verified: 2025-03-18
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI MK010436

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2901730-11 (MI)

Hospital & Practice Group Affiliations

Eaton Rapids Medical Center

1500 S Main St, Eaton Rapids, MI 488271952

Phone: 5179994500

Capital Internal Medicine Associates P.c.

3955 Patient Care Dr, Lansing, MI 489114299

Phone: 5173747600

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003301557

Doctor of Osteopathic Medicine (D.O.)

Cheryl Mills , NP

Nurse Practitioner

NPI 1023022886

Nurse Practitioner

Tiffany Gose , PA-C

Physician Assistant

NPI 1023615135

Physician Assistant (Certified)

Dr. Sherman Gorbis , DO

Neuromusculoskeletal Medicine & OMM

NPI 1033148804

Doctor of Osteopathic Medicine (D.O.)

NPI 1033601489

Doctor of Medicine (M.D.)

Dr. Mary Werkman , DO

Internal Medicine

NPI 1073511028

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location March 18, 2025

Registered at 3955 PATIENT CARE DR STE A, LANSING, MI 489114271 (Tel: 5173747600)

📍
Updated Business Mailing Address March 18, 2025

Registered at 3955 PATIENT CARE DR STE A, LANSING, MI 489114271 (Tel: 5173747600)

📍
Updated Practice Location February 03, 2015

Registered at 3937 PATIENT CARE WAY, STE 104, LANSING, MI 489114287 (Tel: 5173744202)

📍
Updated Business Mailing Address February 03, 2015

Registered at 3955 PATIENT CARE DR, LANSING, MI 48911 (Tel: 5173747600)

👤
Provider Name / Credentials Updated February 03, 2015

Recorded as MICHAEL KOWALCZYK, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 03, 2015

Internal Medicine (License #MK010436 in MI)

🔄
NPI Profile Reactivated March 28, 2006

Record officially reactivated for active practice on March 28, 2006

⚠️
NPI Profile Deactivated March 17, 2006

Record deactivated on March 17, 2006

🟢
Initial NPI Registration & Enumeration June 28, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1649277211
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 28, 2005
Last Update: March 18, 2025
Deactivation Date: March 17, 2006
Sole Proprietor: No

Mailing Address

3955 Patient Care Dr Ste A

Lansing, MI 489114271

Phone: 5173747600

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.