Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Rebecca M Thomas, MD

Clinical Pathology/Laboratory Medicine Physician in Philadelphia, PA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1265420343

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Registry record

Entity type Individual (Type 1)

Name Ms. Rebecca M Thomas

Credential MD

Sex Female

Practice address 132 S. 10th Street, Room 285p, Philadelphia, PA, 19107

Phone (215) 955-5588

Fax (215) 923-9068

Enumeration date Oct 12, 2005

Last updated in NPPES Jul 6, 2023

Taxonomy & licenses

207ZP0105X Clinical Pathology/Laboratory Medicine Physician Allopathic & Osteopathic Physicians · License MD050559L (PA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0014803110001	Medicaid	PA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1265420343 active?

Yes, as of the latest NPPES snapshot, NPI 1265420343 is active (record last updated 2023-07-06).

How do I verify Rebecca Thomas's NPI record?

Cross-check NPI 1265420343 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Jay Herman Blood Banking & Transfusion Medicine Physician · Philadelphia, PA NPI 1467466607 Marianne Ritchie Gastroenterology Physician · Phila, PA NPI 1902984255 Ross Wank Diagnostic Radiology Physician · Philadelphia, PA NPI 1649457235 Jianhong Li Anatomic Pathology & Clinical Pathology Physician · Philadelphia, PA NPI 1447543681 Alexis Peedin Anatomic Pathology Physician · Philadelphia, PA NPI 1669733713 Joshua Mccambridge Diagnostic Radiology Physician · Philadelphia, PA NPI 1174933683 Alanna Aherne Student in an Organized Health Care Education/Training Program · Philadelphia, PA NPI 1891145231 Divya Ayyala-Somayajula Gastroenterology Physician · Philadelphia, PA NPI 1861924961

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-06.