Mark H. Mazur, MD
Infectious Disease Physician · Thousand Oaks, CA
Mark H. Mazur, MD is an infectious disease physician with a practice address in Thousand Oaks, California, and NPI 1245328228, issued on Oct 11, 2006. Check the license (California G36084, 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 H. Mazur
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- G36084 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Lynn Road, Thousand Oaks, CA 91360
- Phone
- (805) 495-1073
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 495-5836
- Medicaid ID
- 00G360840 CA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 2220 Lynn Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gordon Reuben, MDFamily Medicine Physician1619061892
Verify Mark H. Mazur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36084Check 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 H. Mazur among 1,119 infectious disease physician records in California
Mark H. Mazur, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% 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, 54% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,119 in California → Every provider in Thousand Oaks → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Sujay Dutta, MDThousand Oaks, CA 913601184712168
- Andrew Ma, MDThousand Oaks, CA 913601528299708
- Fang-Yu Liu, MDWestlake Village, CA 913611104311216
- Philip McDonald, M.D.Thousand Oaks, CA 913611952644122
- Dharushana Muthulingam, MDWestlake Village, CA 913611447526231
- Ramesh Nathan, MDThousand Oaks, CA 913611215025291
- Joseph Nussbaum, MDWestlake Village, CA 913611922033463
- E Duane Carmalt, M.D.Tarzana, CA 913561952597627
Common questions
What is Mark H. Mazur, MD's NPI number?
Mark H. Mazur, MD's National Provider Identifier (NPI) is 1245328228, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark H. Mazur, MD located?
The NPPES record lists a practice address at 2220 Lynn Road, Thousand Oaks, CA, 91360. Phone: (805) 495-1073. Providers update this record themselves, so call before visiting.
How can I verify Mark H. Mazur, MD's license?
NPPES lists California license number G36084, 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.