Judith McCarthy, MD
Obstetrics & Gynecology Physician · Petaluma, CA
Judith McCarthy, MD is an obstetrics & gynecology physician with a practice address in Petaluma, California, and NPI 1770667750, issued on Oct 25, 2006. Check the license (California G66115, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Judith McCarthy
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G66115 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3900 Lakeville Hwy, Petaluma, CA 94954
- Phone
- (707) 765-3900
- Enumerated
- Oct 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G661150 CA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 3900 Lakeville Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew AndersonPharmacist1336673110
- Suzanne Aoyagi, PHARMDPharmacist1497289268
- John Arden, PHDPsychologist1841351053
- Caroline Barnhart, MDObstetrics & Gynecology Physician1437618774
- Alexis Becker, CNMMidwife1225112584
- Sharina Belani, MDInternal Medicine Physician1700958550
Verify Judith McCarthy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Judith McCarthy among 5,088 obstetrics & gynecology physician records in California
Judith McCarthy, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2007 · 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).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,088 in California → Every provider in Petaluma → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Caroline Barnhart, MDPetaluma, CA 949541437618774
- Julie Clark, MDPetaluma, CA 949541346216389
- Kellie Corcoran, MDPetaluma, CA 949541760817258
- Laurie Dibble, MDPetaluma, CA 949541487738555
- Anthony Kosinski, M.D.Petaluma, CA 949541588656631
- Elmira Manoucheri, M.D.Petaluma, CA 949541942475710
- Bonni Massa, M.D.Petaluma, CA 949541508933607
- Fiona Redwood, M.D.Petaluma, CA 949541255323945
Common questions
What is Judith McCarthy, MD's NPI number?
Judith McCarthy, MD's National Provider Identifier (NPI) is 1770667750, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Judith McCarthy, MD located?
The NPPES record lists a practice address at 3900 Lakeville Hwy, Petaluma, CA, 94954. Phone: (707) 765-3900. Providers update this record themselves, so call before visiting.
How can I verify Judith McCarthy, MD's license?
NPPES lists California license number G66115, 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.