NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ann Chien Guidera, M.D.

Ophthalmology Physician in Sellersville, PA · enumerated 2006.

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

National Provider Identifier

1316956816

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ann Chien Guidera
Credential M.D.
Sex Female
Practice address 711 Lawn Ave, Sellersville, PA, 18960
Phone (215) 257-8053
Fax (215) 257-2020
Enumeration date Aug 5, 2006
Last updated in NPPES Mar 11, 2009

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MD043406E (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
0014406840004 Medicaid PA -
180046198 Other PA RAILROAD MEDICARE

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 Ann Guidera?
The National Provider Identifier (NPI) for Ann Guidera is 1316956816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Guidera practice?
The practice location on file with NPPES is in Sellersville, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-11.