MACOMB INTERNAL MEDICINE PC
NPI 1639266885
Internal Medicine in Clinton Twp, MI

Active since October 09, 2006CLIA 23D0363900 · Microscopy
15520 19 MILE RD, SUITE 480, CLINTON TWP, MI 48038(586) 228-1010(586) 228-8570 Get Directions Write a Review

NPPES record last updated: April 18, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Macomb Internal Medicine Pc NPPES

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

MACOMB INTERNAL MEDICINE PC (NPI 1639266885) is a healthcare organization registered as an internal medicine in Clinton Twp, Michigan and active in the NPI registry since October 2006. The organization holds a CLIA Microscopy certificate valid through April 10, 2028 and lists Mary Gunst, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1639266885
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMACOMB INTERNAL MEDICINE PC
Location Address15520 19 MILE RD, SUITE 480Clinton Twp, MI 48038-6333
Mailing Address15520 19 Mile Rd, Suite 480Clinton Twp, MI 48038-6333 · (586) 228-1010 · Fax (586) 228-8570
Fax(586) 228-8570
Organization SubpartNo
Authorized OfficialMary GunstOffice Manager · (586) 228-1010
Enumeration DateOctober 9, 2006
Last NPPES UpdateApril 18, 2022
NPPES CertifiedApril 18, 2022
✔ NPI 1639266885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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 ListedInternal Medicine · NephrologyTaxonomy 207RN0300X
15520 19 MILE RD, Clinton Twp, MI 48038

Other Identifiers 2

Medicaid1639266885MI
Other110E07884MI · Blue Cross Blue Shield Mi

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)

Macomb Internal Medicine Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Macomb Internal Medicine PC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Internal Medicine
NPI 1528089497
15520 19 MILE ROAD SUITE 480
Clinton Twp, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1477765832
15520 19 MILE RD SUITE 480
Clinton Township, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1467459180
15520 19 MILE RD SUITE 480
Clinton Twp, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1417968827
15520 19 MILE RD STE 480
Clinton Township, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Hospitalist
NPI 1548557440
15520 19 MILE RD STE 480
Clinton Township, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1295730471
15520 19 MILE RD STE 480
Clinton Twp, MI 48038
(586) 228-1010
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1598053340
1000 HARRINGTON ST
Mount Clemens, MI 48043
(586) 493-8195
✔ PECOS✔ Accepts Medicare4.0 mi
Nephrology
NPI 1710298153
1100 E CHEVES ST
Florence, SC 29506
(843) 669-6694
✔ PECOS✔ Accepts Medicare606 mi

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 for Provider-Performed Microscopy Procedures (PPMP) 23D0363900

Macomb Internal Medicine Assoc PC · Clinton Township, MI
Active · expires Apr 10, 2028
CLIA Number23D0363900
Laboratory TypePhysician Office
Certificate Effective DateApril 11, 2026
Certificate Expiration DateApril 10, 2028
Laboratory DirectorJoseph W. Kaiser
Laboratory Phone(586) 228-1010
Laboratory LocationMacomb Internal Medicine Assoc PC15520 19 Mile Road Suite 480, Clinton Township, MI 48038
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Macomb Internal Medicine PC's NPI number?

The NPI number for Macomb Internal Medicine PC is 1639266885. It was assigned to this organization in the NPPES registry on October 9, 2006.

Where is Macomb Internal Medicine PC located?

Macomb Internal Medicine PC is located at 15520 19 Mile Rd Suite 480, Clinton Twp, MI 48038. The listed phone number is (586) 228-1010.

What is Macomb Internal Medicine PC's specialty?

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

Is Macomb Internal Medicine PC enrolled in Medicare?

Yes. Macomb Internal Medicine PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Macomb Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Macomb Internal Medicine PC. 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 (4), Nephrology (3) and Hospitalist (1). Of these, 6 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Macomb Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 23D0363900) is associated with this NPI, valid through April 10, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Macomb Internal Medicine PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Macomb Internal Medicine PC 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 Macomb Internal Medicine PC was last updated on April 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.