Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Robert L Walker, OD

Optometrist in Yardley, PA · enumerated 2006.

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

National Provider Identifier

1538139480

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Robert L Walker

Credential OD

Sex Male

Practice address Yardley, PA, 19067

Phone (215) 493-2105

Fax (215) 493-4650

Enumeration date Jan 24, 2006

Last updated in NPPES Jan 11, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OEG000145 (PA) Primary

152W00000X Optometrist Eye and Vision Services Providers · License OA002887 (NJ) Secondary

152WV0400X Vision Therapy Optometrist Eye and Vision Services Providers · License TO000580 (NJ) Secondary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
092637	Other	NJ	BLUE SHIELD HORIZON
092637	Other	PA	BLUE SHIELD HIGHMARK
092637	Other	NJ	BS NJ PLUS
023480000	Other	-	KEYSTONE AND AMERIHEALTH
092637	Other	PA	INDEP BC PERSONAL CHOICE
3208	Other	PA	AETNA

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

What is the NPI number for Robert Walker?

The National Provider Identifier (NPI) for Robert Walker is 1538139480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Walker practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-11.