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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHEN J. LESHIN M.D.
NPI 1396742771
Internal Medicine in Phoenix, AZ

Active since June 30, 2005
1331 N 7TH ST, SUITE 400, PHOENIX, AZ 85006(602) 277-6181(602) 253-6059 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Stephen J. Leshin M.d. NPPES

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

STEPHEN J. LESHIN M.D. (NPI 1396742771) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (7856) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1396742771
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEPHEN J. LESHINCredential: M.D.
Location Address1331 N 7TH ST, SUITE 400Phoenix, AZ 85006-2754
Mailing Address1331 N 7th St, Suite 400Phoenix, AZ 85006-2754 · (602) 277-6181 · Fax (602) 253-6059
Phone(602) 277-6181
Fax(602) 253-6059
Sole ProprietorNo
Enumeration DateJune 30, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1396742771 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 7856
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.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 7856 (AZ)
1331 N 7TH ST, Phoenix, AZ 85006
Open in Google Maps ↗

Other Identifiers 1

Medicaid217564AZ

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.

MS. KARLA D WAX N.P.-C.
Nurse Practitioner (Family)
1331 N 7TH ST, SUITE 275
PHOENIX, AZ 85006
Maricopa County (602) 254-3151
MEDICAL DERMATOLOGY SPECIALISTS, PC
Dermatology
1331 N 7TH ST, SUITE 250
PHOENIX, AZ 85006
Maricopa County (602) 354-5770
JERALD P UNDERDAHL MD
Ophthalmology
1331 N 7TH ST, 100
PHOENIX, AZ 85006
Maricopa County (602) 222-2234
ARIZONA NEUROSURGERY AND SPINE SPECIALISTS, PC
Neurological Surgery
1331 N 7TH ST, 275
PHOENIX, AZ 85006
Maricopa County (602) 254-3151
JANET WALTERS ANP
Nurse Practitioner
1331 N 7TH ST, SUITE 375
PHOENIX, AZ 85006
Maricopa County (602) 307-0070
MATTHEW JAMES MILLET P.T., D.P.T.
Physical Therapist (Orthopedic)
1331 N 7TH ST, SUITE 100
PHOENIX, AZ 85006
Maricopa County (602) 271-4516
RAJIV KWATRA MD PC
Exclusive Provider Organization
1331 N 7TH ST, SUITE 290
PHOENIX, AZ 85006
Maricopa County (602) 230-6744
SOPHIA Y WEIS AG-ACNP
Nurse Practitioner (Acute Care)
1331 N 7TH ST, STE 275
PHOENIX, AZ 85006
Maricopa County (602) 254-3151

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 Stephen Leshin's NPI number?

The NPI number for Stephen Leshin is 1396742771. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Stephen Leshin located?

Stephen Leshin practices at 1331 N 7th St Suite 400, Phoenix, AZ 85006. The listed phone number is (602) 277-6181.

What is Stephen Leshin'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 Stephen Leshin 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 38 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.