Benjamin Musser, M.D.
Emergency Medicine Physician · Los Angeles, CA
Benjamin Musser, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1164892501, issued on Sep 28, 2015. Check the license (California 138483, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Musser
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 138483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1957 Preston Ave, Los Angeles, CA 90026
- Phone
- (717) 805-7292
- Enumerated
- Sep 28, 2015
- Record last updated
- Sep 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Benjamin Musser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 138483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
144 Medicare Part D claims for 124 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen22 claims
- Cephalexin17 claims
- Nitrofurantoin Mono-Macro12 claims
- Azithromycin11 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.
Benjamin Musser among 7,751 emergency medicine physician records in California
Benjamin Musser, 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2015 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Barnard, MDLos Angeles, CA 900261356616197
- Abraham Flinders, M.D.Los Angeles, CA 900261043685969
- Andrea Munro, M.D.Los Angeles, CA 900261710248463
- Ryan O'Connor, M.D.Los Angeles, CA 900261821101635
- Mehran Baheri, M.D.Los Angeles, CA 900251801944277
- Vincent Bennett, MDLos Angeles, CA 900271982650776
- Emile Chang, M.D.Los Angeles, CA 900251437392909
- Estak Choudhury, MDLos Angeles, CA 900271790729846
Common questions
What is Benjamin Musser, M.D.'s NPI number?
Benjamin Musser, M.D.'s National Provider Identifier (NPI) is 1164892501, issued on Sep 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Musser, M.D. located?
The NPPES record lists a practice address at 1957 Preston Ave, Los Angeles, CA, 90026. Phone: (717) 805-7292. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Musser, M.D.'s license?
NPPES lists California license number 138483, 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 Benjamin Musser, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Musser, M.D. had 144 Medicare Part D claims for 124 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.