Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Martha D. Bardsley, MD

Pediatric Endocrinology Physician in Narberth, PA · enumerated 2006.

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

National Provider Identifier

1689759771

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Registry record

Entity type Individual (Type 1)

Name Dr. Martha D. Bardsley

Credential MD

Sex Female

Practice address 822 Montgomery Ave, Suite 205, Narberth, PA, 19072

Phone (610) 601-3031

Enumeration date Oct 26, 2006

Last updated in NPPES Apr 8, 2020

Taxonomy & licenses

2080P0205X Pediatric Endocrinology Physician Allopathic & Osteopathic Physicians · License MD426055 (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
408283400	Medicaid	MD	-
4082834	Medicaid	MD	-
101331486	Medicaid	PA	-
0071315	Medicaid	NJ	-

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

Where does Martha Bardsley practice?

The practice location on file with NPPES is in Narberth, PA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Martha Bardsley?

The National Provider Identifier (NPI) for Martha Bardsley is 1689759771, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-08.