Mark Zern
Specialist · Sacramento, CA
Mark Zern is a specialist with a practice address in Sacramento, California, and NPI 1275510687, issued on Dec 28, 2005. Check the license (California 00G854440, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Zern
- Primary taxonomy
- Specialist 174400000X
- License number
- 00G854440 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V Street, Ste 3500, Sacramento, CA 95817
- Phone
- (916) 734-7224
- Enumerated
- Dec 28, 2005
- Record last updated
- Nov 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 00G854440 CA
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 4150 V Street, Ste 3500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Prindiville, M.D.Gastroenterology Physician1104879923
Verify Mark Zern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 00G854440Check 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 Zern among 5,749 specialist records in California
Mark Zern is one of 5,749 specialist records with a practice address in California. 30% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2011 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Sacramento → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Robert Cardiff, M.D., PH.D.Sacramento, CA 958171871575597
- Jyuhn-Mirng Chen, M.D.Sacramento, CA 958171588647903
- Regina Gandour-Edwards, M.D.Sacramento, CA 958171285616904
- Claudia Greco, M.D.Sacramento, CA 958171629050356
- Ralph Green, M.D.Sacramento, CA 958171700868437
- Lydia Howell, M.D.Sacramento, CA 958171285616920
- Hanne Jensen, M.D.Sacramento, CA 958171598747222
- Thomas Konia, M.D.Sacramento, CA 958171306828033
Common questions
What is Mark Zern's NPI number?
Mark Zern's National Provider Identifier (NPI) is 1275510687, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Zern located?
The NPPES record lists a practice address at 4150 V Street, Ste 3500, Sacramento, CA, 95817. Phone: (916) 734-7224. Providers update this record themselves, so call before visiting.
How can I verify Mark Zern's license?
NPPES lists California license number 00G854440, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.