Mayer Horensten
Internal Medicine Physician · Corcoran, CA
Mayer Horensten is an internal medicine physician with a practice address in Corcoran, California, and NPI 1306045562, issued on Jul 17, 2007. Check the license (California 20A6895, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mayer Horensten
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A6895 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Quebec Avenue, Corcoran, CA 93212
- Phone
- (559) 992-7100
- Enumerated
- Jul 17, 2007
- Record last updated
- Jul 17, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (559) 992-7104
- Entity
- Type 1 · individual
Also registered at 900 Quebec Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mayer Horensten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8 internal medicine physician records list a practice address in Corcoran
They are 8 of the 187 NPPES records with a practice address in Corcoran, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8 in Corcoran → All 17,696 in California → Every provider in Corcoran →
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- Luba Abascal, MDSan Francisco, CA1023180874
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Common questions
What is Mayer Horensten's NPI number?
Mayer Horensten's National Provider Identifier (NPI) is 1306045562, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mayer Horensten located?
The NPPES record lists a practice address at 900 Quebec Avenue, Corcoran, CA, 93212. Phone: (559) 992-7100. Providers update this record themselves, so call before visiting.
How can I verify Mayer Horensten's license?
NPPES lists California license number 20A6895, 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.