Registry data as of Aug 27, 2026

Daniel Mastriano, MD

Anesthesiology Physician · West Hollywood, CA

Daniel Mastriano, MD is an anesthesiology physician with a practice address in West Hollywood, California, and NPI 1437645199, issued on Jul 6, 2018. Check the license (California A166139, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437645199
Name
Daniel Mastriano
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A166139 CA
Self-reported in NPPES; status is on the state search
Practice location
8700 Beverly Blvd # 4209, West Hollywood, CA 90048
Phone
(310) 423-3277
Enumerated
Jul 6, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8700 Beverly Blvd # 4209

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Daniel An, MDStudent in an Organized Health Care Education/Training Program1285365999
  2. Batbold Boldbaatar, MD, PHDStudent in an Organized Health Care Education/Training Program1568104776
  3. Shawn Coleman, M.D.Anesthesiology Physician1902164767
  4. Andrew Lin, MDStudent in an Organized Health Care Education/Training Program1346754538
  5. Daniel Yadegari, MDStudent in an Organized Health Care Education/Training Program1932728953

Verify Daniel Mastriano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A166139
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

226 anesthesiology physician records list a West Hollywood practice address

They are 226 of the 2,619 NPPES records with a West Hollywood practice address, and 7,276 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other anesthesiology physician records in California

  1. Alison A'Court, MDSan Diego, CA1912218199
  2. Peter Abaci, MDLos Gatos, CA1447200761
  3. Elma Abad-Pelsang, MDDel Mar, CA1689611923
  4. Rolando Abada, M.D.San Diego, CA1952319071
  5. Maher Abadir, MDTurlock, CA1669491718
  6. Jerry Abajian, M.D.Napa, CA1851336218
  7. Carolyn AbbasiLoma Linda, CA1811287311
  8. Christine Abboud, D.O.Walnut Creek, CA1174901508
  9. Steven Abboud, MDPalo Alto, CA1619364908
  10. Therese Abboud, M.D.Coronado, CA1003112913

Common questions

What is Daniel Mastriano, MD's NPI number?

Daniel Mastriano, MD's National Provider Identifier (NPI) is 1437645199, issued on Jul 6, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Mastriano, MD located?

The NPPES record lists a practice address at 8700 Beverly Blvd # 4209, West Hollywood, CA, 90048. Phone: (310) 423-3277. Providers update this record themselves, so call before visiting.

How can I verify Daniel Mastriano, MD's license?

NPPES lists California license number A166139, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.