Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821009911 Individual Practitioner Male Practitioner

Dr. James P Stephen , MD

General Practice • Buffalo, NY

Professional Overview & Biography Verified Profile Summary

Dr. James Stephen, MD is a registered healthcare professional specializing in General Practice in Buffalo, NY. Practice services are available at 701 SENECA ST STE 646C under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

701 Seneca St Ste 646c

Buffalo, NY 142101351

Telephone 7169954450
Associated Practice Facility / Clinic
🏢 Landmark Health Ny Ipa Facility NPI 1144620980

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Buffalo, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 42.0 Yrs
State Avg: 30.3 Yrs
Regional Practice Density
8 Specialists

Practicing in Buffalo, NY (818 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-01-08
General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License SC 91017

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License NY 241259-1

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Fidelis Care Ny
080909000109 (NY)
Commercial Insurance / Payer ID Bluecross/blueshield Of Wny
000528789002 (NY)
Commercial Insurance / Payer ID Bluecross/blueshield Of Wny-Holland
000528789003 (NY)
Commercial Insurance / Payer ID Univera Healthcare
1821009911 (NY)
Commercial Insurance / Payer ID Wellcare
420009 (NY)
Commercial Insurance / Payer ID Independent Health
0414008 (NY)
Commercial Insurance / Payer ID Workers Compensation
241259-1 (NY)

Secondary Practice Locations

1595 Bailey Ave

Buffalo, NY 142122008

Phone: 7168938550

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Beth Vaccarelli , ANP

Nurse Practitioner - Adult Health

NPI 1003073115

Adult Nurse Practitioner

Yevgeniya Lipina , FNP

Nurse Practitioner - Family

NPI 1003385220

Family Nurse Practitioner

Kevin Hennessy , NURSE PRACTITIONER

Nurse Practitioner - Adult Health

NPI 1023163813

NURSEPRACTITIONER

Sandra Wheeler , ANP

Nurse Practitioner - Adult Health

NPI 1023201480

Adult Nurse Practitioner

Theresa O'doherty , NP

Nurse Practitioner - Family

NPI 1043529597

Nurse Practitioner

Dr. Joseph Riedy , DO

Internal Medicine

NPI 1104056381

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 08, 2026

General Practice (License #91017 in SC)

📍
Updated Practice Location October 24, 2019

Registered at 701 SENECA ST STE 646C, BUFFALO, NY 142101351 (Tel: 7169954450)

📍
Updated Business Mailing Address May 17, 2019

Registered at 7755 CENTER AVE, STE 630, HUNTINGTON BEACH, CA 926479152 (Tel: 7166013690)

NPI Profile Active March 10, 2017

NPI status registered as active in NPPES database

📍
Updated Business Mailing Address March 10, 2017

Registered at 144 GENESEE ST, FL 3, BUFFALO, NY 142031560 (Tel: 7166013690)

📍
Updated Practice Location March 10, 2017

Registered at 1595 BAILEY AVE, BUFFALO, NY 142122008 (Tel: 7168938550)

👤
Provider Name / Credentials Updated March 10, 2017

Recorded as JAMES STEPHEN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 10, 2017

Internal Medicine (License #241259-1 in NY)

NPI Profile Active January 04, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location January 04, 2012

Registered at 1595 BAILEY AVE, BUFFALO, NY 142122008 (Tel: 7168938550)

📍
Updated Business Mailing Address January 04, 2012

Registered at 2875 UNION RD, SUITE 21, CHEEKTOWAGA, NY 142271465 (Tel: 7167062034)

👤
Provider Name / Credentials Updated January 04, 2012

Recorded as JAMES STEPHEN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2012

Internal Medicine (License #241259-1 in NY)

🟢
Initial NPI Registration & Enumeration August 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1821009911
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 11, 2006
Last Update: January 08, 2026
Sole Proprietor: Yes

Mailing Address

7755 Center Ave, Ste 630

Huntington Beach, CA 926479152

Phone: 6572372450

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.