Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Bradley S Gundlach, MD

Ophthalmology Physician in Philadelphia, PA · enumerated 2022.

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

National Provider Identifier

1881343234

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Registry record

Entity type Individual (Type 1)

Name Bradley S Gundlach

Credential MD

Sex Male

Practice address 840 Walnut St Ste 1020, Philadelphia, PA, 19107

Phone (800) 331-6634

Enumeration date Mar 22, 2022

Last updated in NPPES Aug 5, 2026

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD494071 (PA) Primary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

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

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 Bradley Gundlach?

The National Provider Identifier (NPI) for Bradley Gundlach is 1881343234, a Type 1 (individual) record in the CMS NPPES registry.

Where does Bradley Gundlach practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-05.