Mary Bassler, M.D.
Family Medicine Physician · Mammoth Lakes, CA
Mary Bassler, M.D. is a family medicine physician with a practice address in Mammoth Lakes, California, and NPI 1922153014, issued on Jan 25, 2007. Check the license (California A55722, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Bassler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A55722 CA
Self-reported in NPPES; status is on the state search - Practice location
- 85 Sierra Park RD, Mammoth Lakes, CA 93546
- Phone
- (760) 924-2551
- Enumerated
- Jan 25, 2007
- Record last updated
- Mar 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (760) 924-4081
- Medicare enrollment
- Enrolled (PECOS I20031117000939); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 85 Sierra Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darin Abacherli, RNFARegistered Nurse First Assistant1114721008
- Elaine Alrutz, PTPhysical Therapist1861969370
- Frohar Bahiraei, MDSurgery Physician1699819086
- David Bassler, M.D.Emergency Medicine Physician1386799930
- Scott BealePhysical Therapist1669222576
- Jason Bishop, DDSPediatric Dentistry1508935602
Verify Mary Bassler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
486 Medicare Part D claims for 60 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Synthroid56 claims
- Atorvastatin Calcium39 claims
- Levothyroxine Sodium26 claims
- Losartan Potassium21 claims
- Esomeprazole Magnesium19 claims
- Omeprazole19 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
- 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).
Mary Bassler among 17,133 family medicine physician records in California
Mary Bassler, M.D. is one of 17,133 family 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 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Mammoth Lakes
They are 4 of the 167 NPPES records with a practice address in Mammoth Lakes, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Mammoth Lakes → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Peter Clark, M.D.Mammoth Lakes, CA 935461528113628
- Roger Claypool, M.D.Mammoth Lakes, CA 935461952692378
- Dennis Crunk, M.D.Mammoth Lakes, CA 935461437204534
- George Kibler, MDLone Pine, CA 935451184657637
- Dennis Schumacher, M.D.Lone Pine, CA 935451295810604
- Rosa Gomez, M.D.Palmdale, CA 935501801919220
- Ricahrd Hyatt, M.D.Palmdale, CA 935501578533972
- William Landes, M.D.Palmdale, CA 935501134360803
Common questions
What is Mary Bassler, M.D.'s NPI number?
Mary Bassler, M.D.'s National Provider Identifier (NPI) is 1922153014, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bassler, M.D. located?
The NPPES record lists a practice address at 85 Sierra Park RD, Mammoth Lakes, CA, 93546. Phone: (760) 924-2551. Providers update this record themselves, so call before visiting.
How can I verify Mary Bassler, M.D.'s license?
NPPES lists California license number A55722, 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 Mary Bassler, M.D. prescribe under Medicare Part D?
In 2024, Mary Bassler, M.D. had 486 Medicare Part D claims for 60 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.