GERIATRIC ASSOCIATES OF MICHIGAN, PLLC
NPI 1881172989
Internal Medicine - Geriatric Medicine in Warren, MI

Active since July 31, 2018
28655 HOOVER RD, WARREN, MI 48093(586) 393-1330(586) 393-1308 Get Directions Write a Review

NPPES record last updated: April 12, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 12, 2023, Aug 2, 2018 (2 updates tracked since 2018).

About Geriatric Associates Of Michigan, Pllc NPPES

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

GERIATRIC ASSOCIATES OF MICHIGAN, PLLC (NPI 1881172989) is a healthcare organization registered as a geriatric medicine in Warren, Michigan and active in the NPI registry since July 2018. The organization lists Bruce Johnson, Owner, as its authorized official.

NPPES Registry Identity

NPI1881172989
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameGERIATRIC ASSOCIATES OF MICHIGAN, PLLC
Location Address28655 HOOVER RDWarren, MI 48093-4105
Mailing Address28655 Hoover RdWarren, MI 48093-4105 · (586) 393-1330 · Fax (586) 393-1308
Fax(586) 393-1308
Organization SubpartNo
Authorized OfficialBruce JohnsonOwner · (586) 524-0897
Enumeration DateJuly 31, 2018
Last NPPES UpdateApril 12, 20232 updates tracked since enumeration
NPPES CertifiedApril 12, 2023
✔ NPI 1881172989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
28655 HOOVER RD, Warren, MI 48093

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Geriatric Associates Of Michigan, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Geriatric Associates Of Michigan, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 6

Family Practice3
Internal Medicine3
Nurse Practitioner3
Critical Care (Intensivists)1
Geriatric Medicine1
Physical Medicine and Rehabilitation1

Clinicians, nearest first (12)

Internal Medicine
NPI 1639673601
28655 HOOVER RD
Warren, MI 48093
(586) 393-1330
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1013909001
30550 UTICA RD
Roseville, MI 48066
(734) 464-0887
✔ PECOS✔ Accepts Medicare3.5 mi
Family Practice
NPI 1366544058
28001 HARPER AVE
St Clair Shores, MI 48081
(586) 772-7180
✔ PECOS✔ Accepts Medicare5.6 mi
Nurse Practitioner
NPI 1639656721
28001 HARPER AVE
Saint Clair Shores, MI 48081
(586) 772-7180
✔ PECOS5.6 mi
Family Practice
NPI 1336326362
28001 HARPER AVE
Saint Clair Shores, MI 48081
(586) 772-7180
✔ PECOS✔ Accepts Medicare5.6 mi
Physical Medicine and Rehabilitation
NPI 1316332711
35103 SILVANO ST STE 8
Clinton Township, MI 48035
(586) 275-7044
✔ PECOS✔ Accepts Medicare6.0 mi
Nurse Practitioner
NPI 1619515053
500 KIRTS BLVD STE 200
Troy, MI 48084
(248) 434-6169
✔ PECOS✔ Accepts Medicare8.3 mi
Geriatric Medicine
NPI 1760492011
36123 SCHOOLCRAFT RD
Livonia, MI 48150
(734) 464-0887
✔ PECOS✔ Accepts Medicare22 mi
Internal Medicine
NPI 1548244304
36123 SCHOOLCRAFT RD
Livonia, MI 48150
(734) 793-6140
✔ PECOS✔ Accepts Medicare22 mi
Internal Medicine
NPI 1245236215
36123 SCHOOLCRAFT RD
Livonia, MI 48150
(734) 464-0887
✔ PECOS22 mi
Family Practice
NPI 1669033700
G1071 N BALLENGER HWY STE 206
Flint, MI 48504
(810) 234-1651
✔ PECOS✔ Accepts Medicare53 mi
Critical Care (Intensivists)
NPI 1063688497
1340 CHARLES ST STE 401
Rockford, IL 61104
(779) 696-6102
✔ PECOS✔ Accepts Medicare311 mi

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

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 Geriatric Associates Of Michigan, PLLC's NPI number?

The NPI number for Geriatric Associates Of Michigan, PLLC is 1881172989. It was assigned to this organization in the NPPES registry on July 31, 2018.

Where is Geriatric Associates Of Michigan, PLLC located?

Geriatric Associates Of Michigan, PLLC is located at 28655 Hoover Rd, Warren, MI 48093. The listed phone number is (586) 393-1330.

What is Geriatric Associates Of Michigan, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Geriatric Associates Of Michigan, PLLC enrolled in Medicare?

Yes. Geriatric Associates Of Michigan, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Geriatric Associates Of Michigan, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 6 Medicare specialties reassign their Medicare billing to Geriatric Associates Of Michigan, PLLC. 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 Family Practice (3), Internal Medicine (3) and Nurse Practitioner (3). Of these, 1 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Geriatric Associates Of Michigan, PLLC accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Geriatric Associates Of Michigan, PLLC 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 Geriatric Associates Of Michigan, PLLC was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.