LEONARD GERHARDSTEIN - NPI 1508826637 - Obstetrics & Gynecology in Royal Oak, MI

Q: What is Leonard Gerhardstein's NPI number?

The NPI number for Leonard Gerhardstein is 1508826637. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Q: What is Leonard Gerhardstein's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

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About Leonard Gerhardstein NPPES

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

LEONARD GERHARDSTEIN (NPI 1508826637) is an individual obstetrics & gynecology provider in Royal Oak, Michigan, licensed in Michigan (4301029581) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1508826637

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameLEONARD GERHARDSTEIN

Location Address3535 W 13 MILE RD, STE. LLRoyal Oak, MI 48073-6710

Mailing Address3601 W 13 Mile Rd, 400-fsc/pcsRoyal Oak, MI 48073-6712

Phone(248) 898-2280

Sole ProprietorNo

Enumeration DateMarch 24, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1508826637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in MI · 4301029581

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

3535 W 13 MILE RD, Royal Oak, MI 48073

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Other Identifiers 1

Medicaid3026388MI

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.

AGNES WROBEL M.D.

Psychiatry & Neurology (Psychiatry)

3535 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 551-1200

DR. HUSNA SHAHNOOR MD

Pediatrics

3535 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 551-3000

HUIYAN JIN

Ophthalmology

3535 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 551-3643

ALMONTASSER BELLA KASSIER MD

Internal Medicine

3535 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 602-8715

DR. RONALD S TAYLOR MD

Physical Medicine & Rehabilitation

3535 W 13 MILE RD, STE 437
ROYAL OAK, MI 48073

Oakland County (248) 288-2210

THWAB FREIHAT

Pediatrics

3535 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 551-3000

LMT REHABILITATION ASSOCIATES

Physical Medicine & Rehabilitation

3535 W 13 MILE RD, SUITE 437
ROYAL OAK, MI 48073

Oakland County (248) 288-2210

ABBY NOWAKOWSKI M.D.

Obstetrics & Gynecology

3535 W 13 MILE RD, SUITE 233
ROYAL OAK, MI 48073

Oakland County (248) 551-0417

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 Leonard Gerhardstein's NPI number?

The NPI number for Leonard Gerhardstein is 1508826637. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Leonard Gerhardstein located?

Leonard Gerhardstein practices at 3535 W 13 Mile Rd Ste. Ll, Royal Oak, MI 48073. The listed phone number is (248) 898-2280.

What is Leonard Gerhardstein's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Leonard Gerhardstein 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 22 days 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.