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DR. MICHAEL J STEWART MD
NPI 1144374901
Internal Medicine in Ridley Park, PA

Active since January 22, 2007PECOS Enrolled
8 MORTON AVE, SUITE 103, RIDLEY PARK, PA 19078(610) 532-4306(610) 532-6536 Get Directions Write a Review

NPPES record last updated: December 15, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Michael J Stewart Md NPPES

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

DR. MICHAEL J STEWART MD (NPI 1144374901) is an individual internal medicine provider in Ridley Park, Pennsylvania, licensed in Pennsylvania (MD039631L) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144374901
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL J STEWARTCredential: MD
Location Address8 MORTON AVE, SUITE 103Ridley Park, PA 19078-2210
Mailing Address8 Morton Ave, Suite 103Ridley Park, PA 19078-2210 · (610) 532-4306 · Fax (610) 532-6536
Phone(610) 532-4306
Fax(610) 532-6536
Sole ProprietorNo
Enumeration DateJanuary 22, 2007
Last NPPES UpdateDecember 15, 2011
✔ NPI 1144374901 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD039631L
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.
8 MORTON AVE, Ridley Park, PA 19078
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINC30290PA
Medicare ID-Type Unspecified106535PA
Medicaid001006662PA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael J Stewart Md 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 Michael Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prospect Health Access Network, Inc.
0.4 mi
Cardiovascular Disease
1 BARTOL AVE, SUITE 10
Ridley Park, PA 19078
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 654 clinicians in this Medicare group
NPI 1740637255 (610) 521-0150

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19078 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN M FANNING DO
Family Medicine
8 MORTON AVE, SUITE 303
RIDLEY PARK, PA 19078
Delaware County (610) 595-6850
MRS. STEPHANIE MOSTONE DNP, FNP-BC
Nurse Practitioner (Family)
8 MORTON AVE, SUITE 8
RIDLEY PARK, PA 19078
Delaware County (610) 595-6850
DR. JOHN JUSTIN RUFFINI M.D.
Ophthalmology
8 MORTON AVE, SUITE 101
RIDLEY PARK, PA 19078
Delaware County (610) 521-2111
BROOK H BATZEL MSN, CRNP
Nurse Practitioner (Adult Health)
8 MORTON AVE, SUITE 305
RIDLEY PARK, PA 19078
Delaware County (610) 595-0494
HEALTH ACCESS NETWORK
Family Medicine
8 MORTON AVE, SUITE 303
RIDLEY PARK, PA 19078
Delaware County (610) 595-6850
ANDREA SAXON MCGUINNESS M.D.
Ophthalmology
8 MORTON AVE, SUITE 101
RIDLEY PARK, PA 19078
Delaware County (610) 521-2111
NILAM D PATEL PA-C
Physician Assistant
8 MORTON AVE, SUITE 303
RIDLEY PARK, PA 19078
Delaware County (610) 595-6850
AMY LEE LUNDHOLM D.O.
Internal Medicine (Rheumatology)
8 MORTON AVE, SUITE 304
RIDLEY PARK, PA 19078
Delaware County (610) 521-1701

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 Michael Stewart's NPI number?

The NPI number for Michael Stewart is 1144374901. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Michael Stewart located?

Michael Stewart practices at 8 Morton Ave Suite 103, Ridley Park, PA 19078. The listed phone number is (610) 532-4306.

What is Michael Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Stewart enrolled in Medicare?

Yes. Michael Stewart is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Stewart reassigns Medicare benefits to Prospect Health Access Network, Inc. (Ridley Park, 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 Michael Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Stewart was last updated on December 15, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.