Matthew Blake Tash, M.D.
Anesthesiology Physician · Los Angeles, CA
Matthew Blake Tash, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1386882181, issued on Feb 2, 2009. Check the license (California A121611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Blake Tash
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A121611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3943 Veselich Ave Apt 175, Los Angeles, CA 90039
- Phone
- (818) 917-6091
- Enumerated
- Feb 2, 2009
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130726000355); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Matthew Blake Tash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA
- Westside Anesthesia ServicesManhattan Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Blake Tash among 7,571 anesthesiology physician records in California
Matthew Blake Tash, 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 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2008 · median 2006 among the 4,868 with a school on file
- Record last updated2021 · 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 Los Angeles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Rocco Addante, MDLos Angeles, CA 900361215293014
- Deborah Castine, MDLos Angeles, CA 900361083727267
- Jonathan Choi, DOLos Angeles, CA 900361245422435
- Linda Donofrio, M.D.Los Angeles, CA 900361619138575
- Guillermo Galindo, M.D.Los Angeles, CA 900361154556355
- Douglas Mayfield, MDLos Angeles, CA 900361174636245
- Gema Montana, M.D.Los Angeles, CA 900361063738136
- Hyun Park, DOLos Angeles, CA 900421790851236
Common questions
What is Matthew Blake Tash, M.D.'s NPI number?
Matthew Blake Tash, M.D.'s National Provider Identifier (NPI) is 1386882181, issued on Feb 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Blake Tash, M.D. located?
The NPPES record lists a practice address at 3943 Veselich Ave Apt 175, Los Angeles, CA, 90039. Phone: (818) 917-6091. Providers update this record themselves, so call before visiting.
How can I verify Matthew Blake Tash, M.D.'s license?
NPPES lists California license number A121611, 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. 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.