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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DENNIS JAMES CHAMBERLAIN MD
NPI 1437153335
Obstetrics & Gynecology in Freedom, CA

Active since June 08, 2005
202 GREEN VALLEY RD, FREEDOM, CA 95019(831) 722-2473(831) 722-2067 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Dennis James Chamberlain Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DENNIS JAMES CHAMBERLAIN MD (NPI 1437153335) is an individual obstetrics & gynecology provider in Freedom, California, licensed in California (C34605) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1437153335
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. DENNIS JAMES CHAMBERLAINCredential: MD
Location Address202 GREEN VALLEY RDFreedom, CA 95019-3135
Mailing Address202 Green Valley RdFreedom, CA 95019-3135 · (831) 722-2473 · Fax (831) 722-2067
Phone(831) 722-2473
Fax(831) 722-2067
Sole ProprietorNo
Enumeration DateJune 8, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1437153335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · C34605
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
202 GREEN VALLEY RD, Freedom, CA 95019
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Other Identifiers 1

MedicaidGR0070940CA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dennis Chamberlain's NPI number?

The NPI number for Dennis Chamberlain is 1437153335. It was assigned to this individual provider in the NPPES registry on June 8, 2005.

Where is Dennis Chamberlain located?

Dennis Chamberlain practices at 202 Green Valley Rd, Freedom, CA 95019. The listed phone number is (831) 722-2473.

What is Dennis Chamberlain's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Dennis Chamberlain was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.