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JOHN GLEN FROWNFELTER MD
NPI 1548268626
Internal Medicine in Southfield, MI

Active since July 12, 2005
16001 W 9 MILE RD, DEPT OF INTERNAL MEDICINE, SOUTHFIELD, MI 48075(248) 849-3152(248) 849-3230 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About John Glen Frownfelter Md NPPES

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

JOHN GLEN FROWNFELTER MD (NPI 1548268626) is an individual internal medicine provider in Southfield, Michigan, licensed in Michigan (4301061866) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1548268626
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN GLEN FROWNFELTERCredential: MD
Location Address16001 W 9 MILE RD, DEPT OF INTERNAL MEDICINESouthfield, MI 48075-4818
Mailing Address25925 Telegraph Rd, 210Southfield, MI 48034-2518 · (248) 746-0342 · Fax (248) 746-0308
Phone(248) 849-3152
Fax(248) 849-3230
Sole ProprietorNo
Enumeration DateJuly 12, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1548268626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301061866
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.
16001 W 9 MILE RD, Southfield, MI 48075
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Other Identifiers 1

Other4301061866MI · Controlled Substance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JONATHAN ARIE KROLL M.D.
Anesthesiology
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-3000
HENRY FORD HEALTH PROVIDENCE HOSPITAL
Pediatrics (Neonatal-Perinatal Medicine)
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-3000
MARY LYNN MEISEL CRNA
Nurse Anesthetist, Certified Registered
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-5806
MS. JESSICA L BEACOME ACNP
Nurse Practitioner (Acute Care)
16001 W 9 MILE RD, 101 FISCHER CENTER
SOUTHFIELD, MI 48075
Oakland County (248) 849-8716
TRACY CHASE GROVES CRNA
Nurse Anesthetist, Certified Registered
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-5806
TERESEA ANN ZARZA NP
Nurse Practitioner (Adult Health)
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-2528
DR. LINDSAY ANNE RICHMOND-PRUNEAU M.D.
Emergency Medicine
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-3000
NICOLE NOEL SILVESTRI NP
Nurse Practitioner (Family)
16001 W 9 MILE RD
SOUTHFIELD, MI 48075
Oakland County (248) 849-5806

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 John Frownfelter's NPI number?

The NPI number for John Frownfelter is 1548268626. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is John Frownfelter located?

John Frownfelter practices at 16001 W 9 Mile Rd Dept Of Internal Medicine, Southfield, MI 48075. The listed phone number is (248) 849-3152.

What is John Frownfelter's specialty?

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

When was this NPI record last updated?

The NPPES record for John Frownfelter was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.