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FARMINGTON HILLS INTERNAL MEDICINE PC
NPI 1891957965
Internal Medicine in Southfield, MI

Active since June 30, 2008CLIA 23D0961121 · Waiver
29877 TELEGRAPH RD STE 300, SOUTHFIELD, MI 48034(248) 827-4322(248) 827-7822 Get Directions Write a Review

NPPES record last updated: April 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Farmington Hills Internal Medicine Pc NPPES

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

FARMINGTON HILLS INTERNAL MEDICINE PC (NPI 1891957965), doing business as Farmington Hills Internal Medicine, P.c., is a healthcare organization registered as an internal medicine in Southfield, Michigan and active in the NPI registry since June 2008. The organization holds a CLIA Waiver certificate valid through September 8, 2027 and lists Amos Charles Johnson, President, as its authorized official.

NPPES Registry Identity

NPI1891957965
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameFARMINGTON HILLS INTERNAL MEDICINE PC
Location Address29877 TELEGRAPH RD STE 300Southfield, MI 48034-7660
Mailing Address29877 Telegraph Rd Ste 300Southfield, MI 48034-7660 · (248) 827-4322 · Fax (248) 827-7822
Phone(248) 827-4322
Fax(248) 827-7822
Organization SubpartNo
Authorized OfficialAmos Charles JohnsonPresident · (248) 827-4322
Enumeration DateJune 30, 2008
Last NPPES UpdateApril 23, 2025
NPPES CertifiedApril 3, 2025
✔ NPI 1891957965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
29877 TELEGRAPH RD STE 300, Southfield, MI 48034
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Other Names 1

Doing Business AsFarmington Hills Internal Medicine, P.c.

Other Identifiers 6

Other0110634082MI · Bcbsm Pin
Other0F39878MI · Bcbsm Group Id#
Medicaid104099772MI
Other1801805270MI · Individual Npi
Other0110930751MI · Bcbsm New Individual
Other1891957965MI · Group Npi

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

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.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)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Farmington Hills Internal Medicine PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Amos Johnson, M.D.
Internal Medicine
NPI 1801805270
29877 TELEGRAPH RD STE 300
Southfield, MI 48034
(248) 827-4322
✔ PECOS✔ Accepts MedicareSame address

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 23D0961121

Farmington Hills Internal Medicine · Southfield, MI
Active · expires Sep 8, 2027
CLIA Number23D0961121
Laboratory TypePhysician Office
Certificate Effective DateSeptember 9, 2025
Certificate Expiration DateSeptember 8, 2027
Laboratory DirectorAmos C. Johnson
Laboratory Phone(248) 827-4322
Laboratory LocationFarmington Hills Internal Medicine29877 Telegraph Road Suite 300, Southfield, MI 48034
CLIA data matches this NPI record on: Address 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 Farmington Hills Internal Medicine PC's NPI number?

The NPI number for Farmington Hills Internal Medicine PC is 1891957965. It was assigned to this organization in the NPPES registry on June 30, 2008. The provider is doing business as Farmington Hills Internal Medicine, P.C..

Where is Farmington Hills Internal Medicine PC located?

Farmington Hills Internal Medicine PC is located at 29877 Telegraph Rd Ste 300, Southfield, MI 48034. The listed phone number is (248) 827-4322.

What is Farmington Hills Internal Medicine PC's specialty?

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

Is Farmington Hills Internal Medicine PC enrolled in Medicare?

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

How many clinicians bill Medicare through Farmington Hills Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Farmington Hills 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Farmington Hills Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0961121) is associated with this NPI, valid through September 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Farmington Hills Internal Medicine PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Farmington Hills 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 Farmington Hills Internal Medicine PC was last updated on April 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.