Mark Clifford Schultz, M.D.
Neurology Physician · Valencia, CA
Mark Clifford Schultz, M.D. is a neurology physician with a practice address in Valencia, California, and NPI 1568411189, issued on May 9, 2006. Check the license (California G45233, 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 Clifford Schultz
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G45233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23823 Valencia Blvd Ste 115, Valencia, CA 91355
- Phone
- (661) 255-5444
- Enumerated
- May 9, 2006
- Record last updated
- May 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (661) 255-8447
- Medicaid ID
- GR0056130 CA
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Mark Clifford Schultz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45233Check 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 Clifford Schultz among 2,339 neurology physician records in California
Mark Clifford Schultz, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2018 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,339 in California → Every provider in Valencia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Shervin Eshraghi, MDValencia, CA 913551538191507
- Steven Levine, M.D.Valencia, CA 913551972530301
- Mehdi Meratee, MDValencia, CA 913551164641510
- Gene Tran, D.O.Valencia, CA 913551003094046
- Daniel Ahoubim, M.D.Tarzana, CA 913561740415686
- Peter Brian Andersson, MDTarzana, CA 913561326063843
- George Chow, MDTarzana, CA 913561932122413
- Babak Morvarid, M.D.Tarzana, CA 913561780796292
Common questions
What is Mark Clifford Schultz, M.D.'s NPI number?
Mark Clifford Schultz, M.D.'s National Provider Identifier (NPI) is 1568411189, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Clifford Schultz, M.D. located?
The NPPES record lists a practice address at 23823 Valencia Blvd Ste 115, Valencia, CA, 91355. Phone: (661) 255-5444. Providers update this record themselves, so call before visiting.
How can I verify Mark Clifford Schultz, M.D.'s license?
NPPES lists California license number G45233, 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.