JOHN A STUART M.D.
NPI 1669591186
General Practice in Pittsburgh, PA

Active since March 28, 2007PECOS Enrolled
120 LYTTON AVE, PITTSBURGH, PA 15213(615) 778-4066 Get Directions Write a Review

NPPES record last updated: February 14, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About John A Stuart M.d. NPPES

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

JOHN A STUART M.D. (NPI 1669591186) is an individual general practice provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD039546E) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669591186
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameJOHN A STUARTCredential: M.D.
Location Address120 LYTTON AVEPittsburgh, PA 15213-1481
Mailing Address5080 Spectrum Drive, Suite 1200 West TowerAddison, TX 75001 · (800) 232-3550
Sole ProprietorNo
Enumeration DateMarch 28, 2007
Last NPPES UpdateFebruary 14, 2024
NPPES CertifiedFebruary 14, 2024
✔ NPI 1669591186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in PA · MD039546E
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License MD039546E (PA)
120 LYTTON AVE, Pittsburgh, PA 15213

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John A Stuart M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show John Stuart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Urgent Care
120 LYTTON STREET, SUITE 275
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 67 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Specialist
120 LYTTON AVE, SUITE 100A
PITTSBURGH, PA 15213
Non-Pharmacy Dispensing Site
120 LYTTON AVE, SUITE M059
PITTSBURGH, PA 15213
Specialist
120 LYTTON AVE, UNIVERSITY CENTER, SUITE 100A
PITTSBURGH, PA 15213
Specialist
120 LYTTON AVE, SUITE 300
PITTSBURGH, PA 15213
Nurse Practitioner (Family)
120 LYTTON AVE, SUITE 100 A-UNIVERSITY CENTER
PITTSBURGH, PA 15213
Specialist
120 LYTTON AVE, SUITE 250
PITTSBURGH, PA 15213
Internal Medicine
120 LYTTON AVE, 3RD FLOOR
PITTSBURGH, PA 15213
Internal Medicine
120 LYTTON AVE, SUITE 100A
PITTSBURGH, PA 15213

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 Stuart's NPI number?

The NPI number for John Stuart is 1669591186. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Where is John Stuart located?

John Stuart practices at 120 Lytton Ave, Pittsburgh, PA 15213. The listed phone number is (615) 778-4066.

What is John Stuart's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is John Stuart enrolled in Medicare?

Yes. John Stuart is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for John Stuart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Stuart reassigns Medicare benefits to American Current Care PA PC (Pittsburgh, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Stuart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Stuart accept?

Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 2 other insurers list John Stuart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Stuart was last updated on February 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.