Registry data as of Aug 27, 2026

David Bassler, M.D.

Emergency Medicine Physician · Mammoth Lakes, CA

David Bassler, M.D. is an emergency medicine physician with a practice address in Mammoth Lakes, California, and NPI 1386799930, issued on Jan 24, 2007. Check the license (California A68551, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1386799930
Name
David Bassler
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A68551 CA
Self-reported in NPPES; status is on the state search
Practice location
85 Sierra Park RD, Mammoth Lakes, CA 93546
Phone
(760) 924-4032
Enumerated
Jan 24, 2007
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.
Download card Updates feed

Also registered at 85 Sierra Park RD

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

  1. Darin Abacherli, RNFARegistered Nurse First Assistant1114721008
  2. Elaine Alrutz, PTPhysical Therapist1861969370
  3. Frohar Bahiraei, MDSurgery Physician1699819086
  4. Mary Bassler, M.D.Family Medicine Physician1922153014
  5. Scott BealePhysical Therapist1669222576
  6. Jason Bishop, DDSPediatric Dentistry1508935602

Verify David Bassler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A68551
    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 →

72% fewer Medicare Part D claims than the average emergency medicine physician in 2024

101 Medicare Part D claims for 83 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. David Bassler101
  2. Specialty average355

Most prescribed

  1. Oxycodone Hcl15 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.

One hospital or facility affiliation

  1. Southern Mono Health Care DistrictMammoth Lakes, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4 emergency medicine physician records list a Mammoth Lakes practice address

They are 4 of the 167 NPPES records with a Mammoth Lakes practice address, and 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is David Bassler, M.D.'s NPI number?

David Bassler, M.D.'s National Provider Identifier (NPI) is 1386799930, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Bassler, M.D. located?

The NPPES record lists a practice address at 85 Sierra Park RD, Mammoth Lakes, CA, 93546. Phone: (760) 924-4032. Providers update this record themselves, so call before visiting.

How can I verify David Bassler, M.D.'s license?

NPPES lists California license number A68551, 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 David Bassler, M.D. prescribe under Medicare Part D?

In 2024, David Bassler, M.D. had 101 Medicare Part D claims for 83 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.