Mark S. Schnitzer, MD
Neurological Surgery Physician · Fullerton, CA
Mark S. Schnitzer, MD is a neurological surgery physician with a practice address in Fullerton, California, and NPI 1740382951, issued on Sep 1, 2006. Check the license (California A52917, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark S. Schnitzer
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- A52917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 N Harbor Blvd, Fullerton, CA 92835
- Phone
- (714) 525-7177
- Enumerated
- Sep 1, 2006
- Record last updated
- Jan 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (714) 525-6769
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 1400 N Harbor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Margaret Slaven, PSY.D.Clinical Psychologist1477628923
Verify Mark S. Schnitzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark S. Schnitzer among 929 neurological surgery physician records in California
Mark S. Schnitzer, MD is one of 929 neurological surgery physician records with a practice address in California. 77% 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, 62% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 929 in California → Every provider in Fullerton → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Hector Ho, MDFullerton, CA 928351912969353
- Bowen Jiang, M.D.Fullerton, CA 928351053682971
- Erick Westbroek, M.D.Fullerton, CA 928351720423791
- John Casamiquela, MDAnaheim, CA 928071477601268
- Sooho Choi, M.D.Anaheim, CA 928071225060973
- Richard Stea, MDAnaheim, CA 928071508914557
- Lars Anker, MDOrange, CA 928681962548537
- Jefferson Chen, MD PHDOrange, CA 928681992789747
Common questions
What is Mark S. Schnitzer, MD's NPI number?
Mark S. Schnitzer, MD's National Provider Identifier (NPI) is 1740382951, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Schnitzer, MD located?
The NPPES record lists a practice address at 1400 N Harbor Blvd, Fullerton, CA, 92835. Phone: (714) 525-7177. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Schnitzer, MD's license?
NPPES lists California license number A52917, 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.