Martin Benjamin Kass, M.D.
Anesthesiology Physician · San Carlos, CA
Martin Benjamin Kass, M.D. is an anesthesiology physician with a practice address in San Carlos, California, and NPI 1134138571, issued on Aug 5, 2006. Check the license (California A31906, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Martin Benjamin Kass
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A31906 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 Shoreline Drive, San Carlos, CA 94070
- Phone
- (650) 631-1500
- Enumerated
- Aug 5, 2006
- Record last updated
- Feb 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (650) 631-1504
- Medicaid ID
- 00A319061 CA
- Medicare enrollment
- Enrolled (PECOS I20051012000464); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Martin Benjamin Kass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average anesthesiology physician in 2024
12 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Worldwide Integrative Healthcare IncSan Bruno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martin Benjamin Kass among 7,571 anesthesiology physician records in California
Martin Benjamin Kass, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1970 · median 2006 among the 4,868 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Carlos → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jasper Chen, MDRedwood City, CA 940631174601751
- Joshua Chiu, MDRedwood City, CA 940631881213965
- Vinod Chopra, M.D.Redwood City, CA 940631164548202
- Jaber HanhanRedwood City, CA 940631861021909
- Homai Kasad, MDRedwood City, CA 940631538231287
- Brian LinRedwood City, CA 940631528457496
- Scott Pritzlaff, M.D.Redwood City, CA 940631912061805
- Lisa Querimit, MDRedwood City, CA 940631033297676
Common questions
What is Martin Benjamin Kass, M.D.'s NPI number?
Martin Benjamin Kass, M.D.'s National Provider Identifier (NPI) is 1134138571, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin Benjamin Kass, M.D. located?
The NPPES record lists a practice address at 130 Shoreline Drive, San Carlos, CA, 94070. Phone: (650) 631-1500. Providers update this record themselves, so call before visiting.
How can I verify Martin Benjamin Kass, M.D.'s license?
NPPES lists California license number A31906, 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.
How much does Martin Benjamin Kass, M.D. prescribe under Medicare Part D?
In 2024, Martin Benjamin Kass, M.D. had 12 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.