CAPITAL INTERNAL MEDICINE ASSOCIATES P.C.
NPI 1780629832
Internal Medicine in Lansing, MI

Active since June 20, 2006CLIA 23D0376240 · Waiver
3955 PATIENT CARE WAY, SUITE A, LANSING, MI 48911(517) 374-7600(517) 374-9042 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 8, 2024, Oct 18, 2017 (2 updates tracked since 2017).

About Capital Internal Medicine Associates P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAPITAL INTERNAL MEDICINE ASSOCIATES P.C. (NPI 1780629832) is a healthcare organization registered as an internal medicine in Lansing, Michigan and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through June 2, 2027 and lists Michael Casmir Kowalczyk, President, as its authorized official.

NPPES Registry Identity

NPI1780629832
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCAPITAL INTERNAL MEDICINE ASSOCIATES P.C.
Location Address3955 PATIENT CARE WAY, SUITE ALansing, MI 48911-4299
Mailing Address3955 Patient Care Way, Suite ALansing, MI 48911-4299 · (517) 374-7600 · Fax (517) 374-9042
Fax(517) 374-9042
Organization SubpartNo
Authorized OfficialMichael Casmir KowalczykPresident · (517) 374-7600
Enumeration DateJune 20, 2006
Last NPPES UpdateApril 8, 20242 updates tracked since enumeration
NPPES CertifiedApril 8, 2024
✔ NPI 1780629832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
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.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedRadiology · Nuclear RadiologyTaxonomy 2085N0904X
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X
Also ListedRadiology · Diagnostic UltrasoundTaxonomy 2085U0001X
Also ListedSurgeryTaxonomy 208600000X
3955 PATIENT CARE WAY, Lansing, MI 48911

Other Identifiers 1

Other0C36084MI · Bcbs Pin 0c36084

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Capital Internal Medicine Associates P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

108

Medicare enrollment records show 108 clinicians reassign Medicare billing to Capital Internal Medicine Associates P.C., which bills Medicare for the services they deliver. Of these, 41 practice at this address and 76 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 14

Internal Medicine40
Nurse Practitioner27
Family Practice15
Diagnostic Radiology8
Obstetrics/Gynecology5
Cardiovascular Disease (Cardiology)3
Hospitalist3
Certified Nurse Midwife (CNM)1
6 other specialties6

Nearest to this location (20)

See all 108
Internal Medicine
NPI 1366023830
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1922539717
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1003301557
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1104405042
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1023022886
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1225443674
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1871974295
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1740951649
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOSSame address
Internal Medicine
NPI 1033601489
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1952820235
3955 PATIENT CARE DR
Lansing, MI 48911
(517) 374-7600
✔ PECOSSame address
Internal Medicine
NPI 1578561429
3955 PATIENT CARE WAY SUITE A
Lansing, MI 48911
(517) 374-7600
✔ PECOSSame address
Family Practice
NPI 1528036035
3955 PATIENT CARE WAY SUITE B
Lansing, MI 48911
(517) 882-6643
✔ PECOSSame address
Podiatry
NPI 1821182023
3955 PATIENT CARE WAY SUITE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1174068050
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1477716579
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Infectious Disease
NPI 1770581621
3955 PATIENT CARE WAY SUITE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
General Practice
NPI 1538220561
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1205240439
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1366892150
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1750362216
3955 PATIENT CARE DR STE A
Lansing, MI 48911
(517) 374-7600
✔ PECOS✔ Accepts MedicareSame address
See all 108 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 23D0376240

Capital Internal Medicine Associates · Lansing, MI
Active · expires Jun 2, 2027
CLIA Number23D0376240
Laboratory TypePractitioner Other
Certificate Effective DateJune 3, 2025
Certificate Expiration DateJune 2, 2027
Laboratory DirectorCharles B. Dehlin
Laboratory Phone(517) 374-7600
Laboratory LocationCapital Internal Medicine Associates3955 Patient Care Drive, Lansing, MI 48911
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Capital Internal Medicine Associates P.C.'s NPI number?

The NPI number for Capital Internal Medicine Associates P.C. is 1780629832. It was assigned to this organization in the NPPES registry on June 20, 2006.

Where is Capital Internal Medicine Associates P.C. located?

Capital Internal Medicine Associates P.C. is located at 3955 Patient Care Way Suite A, Lansing, MI 48911. The listed phone number is (517) 374-7600.

What is Capital Internal Medicine Associates P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Capital Internal Medicine Associates P.C. enrolled in Medicare?

Yes. Capital Internal Medicine Associates P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Capital Internal Medicine Associates P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 108 clinicians in 14 Medicare specialties reassign their Medicare billing to Capital Internal Medicine Associates P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (40), Nurse Practitioner (27) and Family Practice (15). Of these, 41 practice at this address and 76 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Capital Internal Medicine Associates P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0376240) is associated with this NPI, valid through June 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Capital Internal Medicine Associates P.C. accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Capital Internal Medicine Associates P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Capital Internal Medicine Associates P.C. was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.