Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Gitlin

Anatomic Pathology Physician in Palo Alto, CA · enumerated 2017.

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

National Provider Identifier

1033643325

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Registry record

Entity type Individual (Type 1)

Name Alexander Gitlin

Sex Male

Practice address 300 Pasteur Dr, Lane 235, Palo Alto, CA, 94305

Phone (650) 723-5252

Enumeration date Apr 13, 2017

Last updated in NPPES Jul 16, 2020

Taxonomy & licenses

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

207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License A159898 (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

Is NPI 1033643325 active?

Yes, as of the latest NPPES snapshot, NPI 1033643325 is active (record last updated 2020-07-16).

How do I verify Alexander Gitlin's NPI record?

Cross-check NPI 1033643325 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-16.