NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Robert Park M.D.

Nephrology Physician in Petaluma, CA · enumerated 2007 · authorized official Robert Park, Owner.

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

National Provider Identifier

1538356035

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Robert Park M.D.
Practice address 191 Lynch Creek Way, Suite 205, Petaluma, CA, 94954
Phone (707) 765-1501
Fax (707) 765-1530
Enumeration date Sep 27, 2007
Last updated in NPPES Oct 10, 2007

Taxonomy & classification

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License G22984 (CA) Primary

Authorized official

Name Robert Park
Title Owner
Phone (707) 765-1501

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

How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2007-10-10. Verify at npiregistry.cms.hhs.gov.
Where is Robert Park M.D. located?
The practice location on file with NPPES is in Petaluma, CA.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-10.