NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alden Bahr

Ophthalmology Physician in Burlingame, CA · enumerated 2017 · practices at Peninsula Ophthalmology Group, Inc..

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

National Provider Identifier

1104356120

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alden Bahr
Sex Male
Practice address 1720 El Camino Real Ste 225, Burlingame, CA, 94010
Phone (650) 697-3200
Enumeration date Jun 13, 2017
Last updated in NPPES Jul 10, 2023

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 0101272725 (VA) Secondary
208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 0101272725 (VA) Secondary
208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License A186484 (CA) Secondary
207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License A186484 (CA) Primary

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 Alden Bahr?
The National Provider Identifier (NPI) for Alden Bahr is 1104356120, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alden Bahr practice?
The practice location on file with NPPES is in Burlingame, CA. 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 2023-07-10.