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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

LEONARD J ROSENTHAL MD
NPI 1700849791
Internal Medicine - Pulmonary Disease in Pontiac, MI

Active since April 10, 2006
44555 WOODWARD AVE, SUITE 402, PONTIAC, MI 48341(248) 335-1110(248) 858-3999 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Leonard J Rosenthal Md NPPES

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

LEONARD J ROSENTHAL MD (NPI 1700849791) is an individual pulmonary disease provider in Pontiac, Michigan, licensed in Michigan (4301027120) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1700849791
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameLEONARD J ROSENTHALCredential: MD
Location Address44555 WOODWARD AVE, SUITE 402Pontiac, MI 48341-5031
Mailing Address44555 Woodward Ave, Suite 402Pontiac, MI 48341-5031 · (248) 335-1110 · Fax (248) 858-3999
Phone(248) 335-1110
Fax(248) 858-3999
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1700849791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MI · 4301027120
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
44555 WOODWARD AVE, Pontiac, MI 48341
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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.

DR. SHAHID JAMIL M.D.
Psychiatry & Neurology (Psychiatry)
44555 WOODWARD AVE, STE 405
PONTIAC, MI 48341
Oakland County (248) 333-7100
DR. JENNIFER L HENDERSON D.O.
Anesthesiology
44555 WOODWARD AVE, SUITE 308
PONTIAC, MI 48341
Oakland County (248) 858-2509
MRS. MICHELLE MARIE MCDONALD PT
Physical Therapist
44555 WOODWARD AVE, SUITE 080
PONTIAC, MI 48341
Oakland County (248) 858-6950
JAMES CARALIS DO PC
Thoracic Surgery (Cardiothoracic Vascular Surgery)
44555 WOODWARD AVE, SUITE 307
PONTIAC, MI 48341
Oakland County (248) 858-3939
SJMH MEDICAL PRACTICE
Internal Medicine (Critical Care Medicine)
44555 WOODWARD AVE, SUITE 402
PONTIAC, MI 48341
Oakland County (248) 335-1110
WILLIAM GORDON M.D.P.C.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
44555 WOODWARD AVE, SUITE 307
PONTIAC, MI 48341
Oakland County (248) 858-3939
KARMO AESTHETIC CENTER PC
Plastic Surgery (Surgery of the Hand)
44555 WOODWARD AVE, STE 103
PONTIAC, MI 48341
Oakland County (248) 858-6777
DR. ALICIA NICOLE KIENINGER MD
Surgery
44555 WOODWARD AVE, SUITE 501
PONTIAC, MI 48341
Oakland County (248) 338-7171

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 Rosenthal's NPI number?

The NPI number for Leonard Rosenthal is 1700849791. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Leonard Rosenthal located?

Leonard Rosenthal practices at 44555 Woodward Ave Suite 402, Pontiac, MI 48341. The listed phone number is (248) 335-1110.

What is Leonard Rosenthal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Leonard Rosenthal 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.