Marc Arnold Samson, M.D.
Sports Medicine (Orthopaedic Surgery) Physician · Los Angeles, CA
Marc Arnold Samson, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Los Angeles, California, and NPI 1215039284, issued on Sep 1, 2006. Check the license (California G83671, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc Arnold Samson
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- G83671 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd., Suite 200, Los Angeles, CA 90017
- Phone
- (213) 482-2992
- Enumerated
- Sep 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (213) 482-2999
- Medicare enrollment
- Enrolled (PECOS I20120419000065); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →
Verify Marc Arnold Samson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average sports medicine (orthopaedic surgery) physician in 2024
772 Medicare Part D claims for 244 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 97 claims were for opioids.
Most prescribed
- Meloxicam487 claims
- Diclofenac Sodium79 claims
- Hydrocodone-Acetaminophen57 claims
- Ibuprofen50 claims
- Celecoxib29 claims
- Tramadol Hcl27 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): 83.9 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).
Industry payments in 2024: $341.70
14 payments; by number, the most common kind was food and beverage; the largest payer was Fidia Pharma USA Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Los Angeles Orthopaedic Center Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Arnold Samson among 384 sports medicine (orthopaedic surgery) physician records in California
Marc Arnold Samson, M.D. is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1992 · median 2003 among the 293 with a school on file
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in California
There are 384 sports medicine (orthopaedic surgery) physician records in California.
All 384 in California → Every provider in Los Angeles → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Yung Han, M.D.Los Angeles, CA 900201619218559
- Charles Schwarz, M.D.Los Angeles, CA 900251164540266
- Carlos Uquillas, MDLos Angeles, CA 900251255658332
- Daniel Lee, M.D.Los Angeles, CA 900061801990270
- Kevin Collon, MDLos Angeles, CA 900331588167415
- Jamie Confino, MDLos Angeles, CA 900331982167839
- Tracey Didinger, M.D.Los Angeles, CA 900331023428414
- Seth Gamradt, MDLos Angeles, CA 900331366642753
Common questions
What is Marc Arnold Samson, M.D.'s NPI number?
Marc Arnold Samson, M.D.'s National Provider Identifier (NPI) is 1215039284, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Arnold Samson, M.D. located?
The NPPES record lists a practice address at 1245 Wilshire Blvd., Suite 200, Los Angeles, CA, 90017. Phone: (213) 482-2992. Providers update this record themselves, so call before visiting.
How can I verify Marc Arnold Samson, M.D.'s license?
NPPES lists California license number G83671, 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 Marc Arnold Samson, M.D. prescribe under Medicare Part D?
In 2024, Marc Arnold Samson, M.D. had 772 Medicare Part D claims for 244 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.
What is Marc Arnold Samson, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.9 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.