James Russell Samuelson, M.D.
Hospitalist Physician · Los Angeles, CA
James Russell Samuelson, M.D. is a hospitalist physician with a practice address in Los Angeles, California, and NPI 1346781697, issued on Mar 19, 2017. Check the license (California A158563, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Russell Samuelson
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A158563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8700 Beverly Blvd, Los Angeles, CA 90048
- Phone
- (310) 423-5252
- Enumerated
- Mar 19, 2017
- Record last updated
- Jun 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20200714002747); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 8700 Beverly Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Russell Samuelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average hospitalist physician in 2024
274 Medicare Part D claims for 105 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Eliquis17 claims
- Atorvastatin Calcium16 claims
- Metoprolol Succinate15 claims
- Clopidogrel14 claims
- Pantoprazole Sodium12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Russell Samuelson among 3,099 hospitalist physician records in California
James Russell Samuelson, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 74% of them.
- NPI issued2017 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2017 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Los Angeles → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Afshin Afrashteh, MDLos Angeles, CA 900481346402989
- Mark Choi, M.D.Los Angeles, CA 900481124287354
- Shahida Farooqi, M.D.West Hollywood, CA 900481568622520
- Prabhu Gounder, M.D.West Hollywood, CA 900481508963893
- Gary Gutkin, M.D.West Hollywood, CA 900481366636573
- Denise JungWest Hollywood, CA 900481013179399
- Lowell Korman, M.D.West Hollywood, CA 900481912113309
- Jae Lee, M.D.Los Angeles, CA 900481073614079
Common questions
What is James Russell Samuelson, M.D.'s NPI number?
James Russell Samuelson, M.D.'s National Provider Identifier (NPI) is 1346781697, issued on Mar 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is James Russell Samuelson, M.D. located?
The NPPES record lists a practice address at 8700 Beverly Blvd, Los Angeles, CA, 90048. Phone: (310) 423-5252. Providers update this record themselves, so call before visiting.
How can I verify James Russell Samuelson, M.D.'s license?
NPPES lists California license number A158563, 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 James Russell Samuelson, M.D. prescribe under Medicare Part D?
In 2024, James Russell Samuelson, M.D. had 274 Medicare Part D claims for 105 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is James Russell Samuelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.