NPPES file of Aug 9, 2026

Gina H. Chen, MD

Critical Care Medicine (Internal Medicine) Physician · Santa Rosa, CA

Gina H. Chen, MD is a critical care medicine (internal medicine) physician with a practice address in Santa Rosa, California, and NPI 1497773808, issued on Jul 17, 2006. Check the license (California A91042, 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
1497773808
Name
Gina H. Chen
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
A91042 CA
35.099926 OH
Self-reported in NPPES; status is on the state search
Practice location
1165 Montgomery Dr, Santa Rosa, CA 95405
Phone
(707) 525-5300
Enumerated
Jul 17, 2006
Record last updated
Nov 1, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
0073821 OH
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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8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →

Also registered at 1165 Montgomery Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maryam Aghighi, MDAnatomic Pathology & Clinical Pathology Physician1073074977
  2. Johnathan Agil, MDEmergency Medicine Physician1700413002
  3. Katherine Aldrich, NPAdult Health Nurse Practitioner1194995563
  4. Mujeeb Altaf, MBBS.,MRCP(UK)Hospitalist Physician1316125941
  5. Rebecca Althoff, RNFARegistered Nurse First Assistant1427119668
  6. Sanyogeeta Bhaway, M.D.Internal Medicine Physician1275828162

Verify Gina H. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A91042    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Gina H. Chen among 723 critical care medicine (internal medicine) physician records in California

Gina H. Chen, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 60% newer
  • In a Medicare fileNo · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2013 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 723 in California → Every provider in Santa Rosa → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Gregory Houghton, M.D.Santa Rosa, CA 954051649489402
  2. Hyun Kang, MDSanta Rosa, CA 954051316917883
  3. Vadim Leyenson, MDSanta Rosa, CA 954041427052851
  4. Daniel Loube, MDSanta Rosa, CA 954041588690051
  5. Thomas Nuckton, M.D.Santa Rosa, CA 954041003902834
  6. James Driscoll, M.D.Santa Rosa, CA 954031013094515
  7. Monica Minguillon, MDSanta Rosa, CA 954031912081902
  8. Mindy Shapiro, MDSanta Rosa, CA 954031114001112

Common questions

What is Gina H. Chen, MD's NPI number?

Gina H. Chen, MD's National Provider Identifier (NPI) is 1497773808, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gina H. Chen, MD located?

The NPPES record lists a practice address at 1165 Montgomery Dr, Santa Rosa, CA, 95405. Phone: (707) 525-5300. Providers update this record themselves, so call before visiting.

How can I verify Gina H. Chen, MD's license?

NPPES lists California license number A91042, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.