Marietta Elizabeth Walsh, D.O.
Neurological Surgery Physician · French Camp, CA
Marietta Elizabeth Walsh, D.O. is a neurological surgery physician with a practice address in French Camp, California, and NPI 1275809584, issued on Mar 30, 2012. Check the license (California A23971, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marietta Elizabeth Walsh
- Credential
- D.O.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- A23971 CA
DO-05039 IA
125.057859 IL
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Hospital RD, French Camp, CA 95231
- Phone
- (209) 468-6603
- Enumerated
- Mar 30, 2012
- Record last updated
- May 22, 2025
- Fax
- (209) 468-6585
- Medicare enrollment
- Enrolled (PECOS I20250429002667); accepts Medicare assignment
- Medical or professional school
- Touro Un College Of Osteopathic Medicine, Vallejo, 2010
- Entity
- Type 1 · individual
Also registered at 500 W Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nader Abedini, MDStudent in an Organized Health Care Education/Training Program1861334484
- Marium Abid, MDStudent in an Organized Health Care Education/Training Program1831036375
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- Marc Acosta, RNEmergency Registered Nurse1841188836
Verify Marietta Elizabeth Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A23971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average neurological surgery physician in 2024
172 Medicare Part D claims for 71 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Gabapentin50 claims
- Levetiracetam18 claims
- Mupirocin17 claims
- Tramadol Hcl16 claims
- Cyclobenzaprine Hcl15 claims
- Methocarbamol15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- County OF San JoaquinFrench Camp, CA
- San Joaquin Faculty Medical GroupFrench Camp, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
Other neurological surgery physician records in California
- Mohamad Abbass, MDStanford, CA1679492151
- Samy Abdou, MDSan Diego, CA1215085006
- Kumar Abhinav, BSC MBBS, FRCS(SN)Stanford, CA1003331000
- Moustapha Abou-Samra, MDVentura, CA1194719807
- Bret Abshire, M.D.Murrieta, CA1992741912
- Deyaaldeen Abu Reesh, MDPalo Alto, CA1073201521
- Imad Abumeri, M.D.Bakersfield, CA1295732980
- Achal Achrol, M.D.Loma Linda, CA1275783276
- Geoffrey Adey, MDWalnut Creek, CA1447362520
- John Adler, MDStanford, CA1780736199
Common questions
What is Marietta Elizabeth Walsh, D.O.'s NPI number?
Marietta Elizabeth Walsh, D.O.'s National Provider Identifier (NPI) is 1275809584, issued on Mar 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marietta Elizabeth Walsh, D.O. located?
The NPPES record lists a practice address at 500 W Hospital RD, French Camp, CA, 95231. Phone: (209) 468-6603. Providers update this record themselves, so call before visiting.
How can I verify Marietta Elizabeth Walsh, D.O.'s license?
NPPES lists California license number A23971, 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.
How much does Marietta Elizabeth Walsh, D.O. prescribe under Medicare Part D?
In 2024, Marietta Elizabeth Walsh, D.O. had 172 Medicare Part D claims for 71 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.