NPPES file of Aug 9, 2026

Ralph D. Bien, M.D.

Psychiatry Physician · San Rafael, CA

Ralph D. Bien, M.D. is a psychiatry physician with a practice address in San Rafael, California, and NPI 1770648628, issued on Dec 22, 2006. Check the license (California G034558, 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
1770648628
Name
Ralph D. Bien
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G034558 CA
Self-reported in NPPES; status is on the state search
Practice location
750 Las Gallinas Ave, San Rafael, CA 94903
Phone
(415) 461-4534
Enumerated
Dec 22, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Also registered at 750 Las Gallinas Ave

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

  1. Patricia Bauman, M.D.Internal Medicine Physician1710077482
  2. Catherine Cox, D.D.S.General Practice Dentistry1780715060
  3. Michael Dab, D.D.S.General Practice Dentistry1063416311
  4. Mark Drucker, D.P.M.Foot & Ankle Surgery Podiatrist1720013550
  5. Albert Goldberg, MDPediatrics Physician1518070952
  6. Joseph Greenberg, MDSpecialist1912085937

Verify Ralph D. Bien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G034558
    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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Ralph D. Bien among 8,673 psychiatry physician records in California

Ralph D. Bien, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 psychiatry physician records list a practice address in San Rafael

They are 33 of the 3,159 NPPES records with a practice address in San Rafael, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Arthur Ashe, M.D.San Rafael, CA 949031336171305
  2. Gurpreet Aujla, M.D.San Rafael, CA 949031942696323
  3. William Barnard, M.D.San Rafael, CA 949031477602449
  4. Monika Do Valle, D.O.San Rafael, CA 949031780616201
  5. Wendy Eberhardt, MDSan Rafael, CA 949031184712531
  6. Maria Gabby, MDSan Rafael, CA 949031760684286
  7. Andrea Hedin, MDSan Rafael, CA 949031437233509
  8. David Huang, M.D.San Rafael, CA 949031104813351

Common questions

What is Ralph D. Bien, M.D.'s NPI number?

Ralph D. Bien, M.D.'s National Provider Identifier (NPI) is 1770648628, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph D. Bien, M.D. located?

The NPPES record lists a practice address at 750 Las Gallinas Ave, San Rafael, CA, 94903. Phone: (415) 461-4534. Providers update this record themselves, so call before visiting.

How can I verify Ralph D. Bien, M.D.'s license?

NPPES lists California license number G034558, 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.