Dr. David Bassler, MD
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 101
- Hospital affiliations
- 1
- Industry payments
- $15
- Practice address
- 85 Sierra Park Road, Mammoth Lakes, CA 93546
- Practice phone
- Call (760) 934-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mammoth Hospital - Clinic
Rural Health Clinic - Hospital-Owned · Mammoth Lakes, California
Find Dr. Bassler's professional email, personal email and mobile number
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Dr. David Bassler is an emergency medicine physician in Mammoth Lakes, California
Dr. Bassler practices at Mammoth Hospital - Clinic in Mammoth Lakes, California.
Dr. Bassler's NPI, 1386799930, was assigned on January 24, 2007. Dr. Bassler graduated from University of California, San Francisco School of Medicine in 1997. Dr. Bassler holds California license A68551.
- NPI
- 1386799930NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234185570
- NPI enumeration date
- January 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 934-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Bassler practices at Mammoth Hospital - Clinic in Mammoth Lakes, California
Dr. Bassler's primary practice is Mammoth Hospital - Clinic, at 85 Sierra Park Road, Mammoth Lakes, CA 93546. The practice phone is (760) 934-3311.
- Mammoth Hospital - Clinic85 Sierra Park Road, Mammoth Lakes, CA 93546Phone(760) 934-3311
Source: Dmand AI Affiliation Data
Dr. David Bassler is affiliated with 2 sites of care and 1 medical group
Dr. Bassler's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California. Dr. Bassler is also affiliated with Mammoth Hospital. The medical group on file is Mammoth Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Bassler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bassler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mammoth Hospital - Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Bassler is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Bassler's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Bassler is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Bassler
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Bassler billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Bassler across 2 procedure codes in 2024, for 23 Medicare patients. Medicare paid $3,147 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bassler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 482024: 2254%
- Tests and treatments
- 2023: 02024: 17
Dr. Bassler compared with the California median for emergency medicine physicians, 2024
- Dr. Bassler
- California median
- Medicare services
- 39vs 26585% below
- Medicare patients
- 23vs 24391% below
- Part D claims
- 15vs 6276% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Bassler's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bassler and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Bassler treated 23 Medicare patients in 2024, average age 75
CMS counts 23 Medicare patients who saw Dr. Bassler in 2024. The largest group is 65 to 74, with 12 patients. 74% of them have high blood pressure, and 52% have arthritis. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Bassler's median patient age at 36, with 44% women.
Dr. Bassler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Bassler's Medicare patients, 2024
- High blood pressure74%
- Arthritis52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bassler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Bassler wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Bassler wrote 101 Medicare Part D claims for 83 patients. 88% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $37 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Bassler's Part D claims by kind of drug, 2024
- Generic89 claims88%
- Brand-name and other12 claims12%
Dr. Bassler's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bassler's Part D claims, 2024
- Opioids19%19 of 101 claims
- Antibiotics32%32 of 101 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 1536%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. David Bassler takes part in Medicare
Dr. Bassler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Bassler received $15 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Bassler from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $15.
Companies that paid Dr. Bassler the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Bassler graduated from University of California, San Francisco School of Medicine
Dr. Bassler graduated from University of California, San Francisco School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Bassler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Bassler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David Bassler's NPI number?
Dr. David Bassler's NPI number is 1386799930. It was assigned on January 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David Bassler?
Dr. David Bassler is an emergency medicine physician in Mammoth Lakes, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. David Bassler practice?
Dr. Bassler practices at 85 Sierra Park Road, Mammoth Lakes, CA 93546. Dr. Bassler's primary practice is Mammoth Hospital - Clinic in Mammoth Lakes, California.
What is Dr. David Bassler's office phone number?
The practice phone on file for Dr. Bassler is (760) 934-3311.
What is Dr. David Bassler's medical license number?
Dr. Bassler holds California license A68551.
Which hospitals is Dr. David Bassler affiliated with?
Dr. Bassler is affiliated with Mammoth Hospital.
What medical group is Dr. David Bassler part of?
Dr. Bassler is linked to Mammoth Hospital.
Does Dr. David Bassler accept Medicare?
Yes. CMS data shows Dr. Bassler billed Medicare for 39 services in 2024, and Dr. Bassler accepts Medicare assignment.
How many Medicare patients does Dr. David Bassler see?
CMS counts 23 Medicare patients who saw Dr. Bassler in 2024, with an average age of 75.
What services does Dr. David Bassler bill to Medicare?
In 2024, Dr. Bassler's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Show 4 more questionsShow fewer questions
Where did Dr. David Bassler go to medical school?
Dr. Bassler graduated from University of California, San Francisco School of Medicine in 1997.
What drugs does Dr. David Bassler prescribe most?
In 2024 Medicare Part D data, Dr. Bassler's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. David Bassler received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Bassler from 1 company from 2023 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. David Bassler been practicing?
Dr. Bassler graduated from medical school in 1997, 29 years ago.
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