MARGARET E. JOHNSON BAYLSON MD
NPI 1255493607
Family Medicine in Philadelphia, PA
About Margaret E. Johnson Baylson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET E. JOHNSON BAYLSON MD (NPI 1255493607) is an individual family medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD433340) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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)
Margaret E. Johnson Baylson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Margaret Baylson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 199 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1083002000 (Pennsylvania)
- 752 clinicians in this Medicare group
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 58 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPenn Presbyterian Medical Center
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Margaret Baylson's NPI number?
The NPI number for Margaret Baylson is 1255493607. It was assigned to this individual provider in the NPPES registry on December 14, 2006. The provider is also known as Margaret Elizabeth Johnson MD.
Where is Margaret Baylson located?
Margaret Baylson practices at 51 North 39th St. 7 Floor-Mutch Bldg., Philadelphia, PA 19104. The listed phone number is (215) 662-8777.
What is Margaret Baylson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Margaret Baylson enrolled in Medicare?
Yes. Margaret Baylson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Baylson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Baylson reassigns Medicare benefits to 3 organizations: Trustees Of The University Of Pennsylvania (Philadelphia, PA), University Of Penn-Medical Group (Philadelphia, PA) and Family Practice & Counseling Services Network, Inc. (Philadelphia, PA). Each 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 Margaret Baylson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Baylson accept?
Health plans from Ambetter Health and Ambetter from Buckeye Health Plan list Margaret Baylson 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.
Is Margaret Baylson affiliated with any hospitals?
According to CMS data, Margaret Baylson is affiliated with Hospital Of Univ Of Pennsylvania and Penn Presbyterian Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Baylson was last updated on October 7, 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.
# Margaret E. Johnson Baylson, MD · NPI 1255493607
Family Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 14, 2006.
## Identity
- **NPI:** 1255493607 (Entity type: Individual)
- **Enumerated:** December 14, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD433340 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 51 NORTH 39TH ST., 7 FLOOR-MUTCH BLDG., Philadelphia, PA 19104-2640
- **Phone:** (215) 662-8777 · **Fax:** (215) 243-3290
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Trustees Of The University Of Pennsylvania (NPI 1124882949, Philadelphia, PA); University Of Penn-Medical Group (NPI 1386751089, Philadelphia, PA); Family Practice & Counseling Services Network, Inc. (NPI 1689393514, Philadelphia, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2005
## Record status
- **NPPES last updated:** October 7, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1255493607) · Data from the CMS NPPES public registry.