NPPES file of Aug 9, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 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
Record last updated
Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(760) 924-4003
Medicare enrollment
Enrolled (PECOS I20050329001363); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

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55% 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 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. David Bassler101
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Southern Mono Health Care DistrictMammoth Lakes, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Bassler among 7,751 emergency medicine physician records in California

David Bassler, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1997 · median 2011 among the 4,560 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 emergency medicine physician records list a practice address in Mammoth Lakes

They are 5 of the 167 NPPES records with a practice address in Mammoth Lakes, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Kyle Howell, M.D.Mammoth Lakes, CA 935461093860645
  2. Christopher Hummel, M.D.Mammoth Lakes, CA 935461811042468
  3. Richard Shedd, M.D.Mammoth Lakes, CA 935461801941463
  4. Brittaney Vargas, MDMammoth Lakes, CA 935461881181972
  5. Michael Blue, M.D.Lone Pine, CA 935451962441501
  6. Feyi Emembolu, M.D.Palmdale, CA 935511366690018
  7. Angelo Kim, M.D.Palmdale, CA 935511114212743
  8. Raymond Ryan Ruiz, M.D.Palmdale, CA 935511427475599

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 226. 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.