Siamak Yasmeh, M.D.
Orthopaedic Surgery of the Spine Physician · Loma Linda, CA
Siamak Yasmeh, M.D. is an orthopaedic surgery of the spine physician with a practice address in Loma Linda, California, and NPI 1811320849, issued on Aug 13, 2013. Check the license (California A126694, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Siamak Yasmeh
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- A126694 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11406 Loma Linda Dr Ste 226, Loma Linda, CA 92354
- Phone
- (909) 558-6444
- Enumerated
- Aug 13, 2013
- Record last updated
- Aug 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20150302002507); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 314 in California → Look up another NPI →
Also registered at 11406 Loma Linda Dr Ste 226
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Essilfie, M.D.Sports Medicine (Orthopaedic Surgery) Physician1396155982
- Ronald Roiz, M.D.Orthopaedic Surgery Physician1528443181
Verify Siamak Yasmeh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
650 Medicare Part D claims for 267 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Gabapentin250 claims
- Meloxicam139 claims
- Diclofenac Sodium92 claims
- Pregabalin39 claims
- Oxycodone Hcl32 claims
- Ibuprofen25 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): 85.2 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: $281.44
5 payments; by number, the most common kind was food and beverage; the largest payer was Nalu Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 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
- Kevin J Pelton MD IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siamak Yasmeh among 314 orthopaedic surgery of the spine physician records in California
Siamak Yasmeh, M.D. is one of 314 orthopaedic surgery of the spine physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2003 among the 226 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in California
There are 314 orthopaedic surgery of the spine physician records in California.
All 314 in California → Every provider in Loma Linda → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Wayne Cheng, M.D.Loma Linda, CA 923541699704023
- Gail Hopkins, MDRedlands, CA 923741346336864
- John Steinmann, DORedlands, CA 923741811083553
- Vikram Parmar, MDVictorville, CA 923951154392116
- Reginald Fayssoux, MDRancho Mirage, CA 922701326206459
- Amir Tahernia, M.D.Rancho Mirage, CA 922701902819477
- Gurvinder Uppal, MDRiverside, CA 925011285639922
- Timothy Gray, M.D.Riverside, CA 925031972565877
Common questions
What is Siamak Yasmeh, M.D.'s NPI number?
Siamak Yasmeh, M.D.'s National Provider Identifier (NPI) is 1811320849, issued on Aug 13, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Yasmeh, M.D. located?
The NPPES record lists a practice address at 11406 Loma Linda Dr Ste 226, Loma Linda, CA, 92354. Phone: (909) 558-6444. Providers update this record themselves, so call before visiting.
How can I verify Siamak Yasmeh, M.D.'s license?
NPPES lists California license number A126694, 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 Siamak Yasmeh, M.D. prescribe under Medicare Part D?
In 2024, Siamak Yasmeh, M.D. had 650 Medicare Part D claims for 267 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
What is Siamak Yasmeh, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 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.