NPPES file of Aug 9, 2026

Dennis James Chamberlain, MD

Obstetrics & Gynecology Physician · Freedom, CA

Dennis James Chamberlain, MD is an obstetrics & gynecology physician with a practice address in Freedom, California, and NPI 1437153335, issued on Jun 8, 2005. Check the license (California C34605, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437153335
Name
Dennis James Chamberlain
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
C34605 CA
Self-reported in NPPES; status is on the state search
Practice location
202 Green Valley RD, Freedom, CA 95019
Phone
(831) 722-2473
Enumerated
Jun 8, 2005
Record last updated
Jul 13, 2026
Fax
(831) 722-2067
Medicaid ID
GR0070940 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Dennis James Chamberlain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C34605
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Dennis James Chamberlain among 5,088 obstetrics & gynecology physician records in California

Dennis James Chamberlain, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 obstetrics & gynecology physician records list a practice address in Freedom

They are 2 of the 90 NPPES records with a practice address in Freedom, and 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Maria Granthom, MDFreedom, CA 950191679750327
  2. Jumnah Arasu, M.D., F.A.C.O.G.Gilroy, CA 950201790824878
  3. Kari Bertrand, M.D.Gilroy, CA 950201285744615
  4. Pamela Edillon, MDGilroy, CA 950201184702680
  5. Michael H Dez, MDGilroy, CA 950201942386446
  6. Ali Hoda, MDGilroy, CA 950201700959475
  7. Eliza Nguyen, MDGilroy, CA 950201447838990
  8. Zarin Amin, DOHollister, CA 950231093971889

Common questions

What is Dennis James Chamberlain, MD's NPI number?

Dennis James Chamberlain, MD's National Provider Identifier (NPI) is 1437153335, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dennis James Chamberlain, MD located?

The NPPES record lists a practice address at 202 Green Valley RD, Freedom, CA, 95019. Phone: (831) 722-2473. Providers update this record themselves, so call before visiting.

How can I verify Dennis James Chamberlain, MD's license?

NPPES lists California license number C34605, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.