Mark Lubow Riley, DO
Rheumatology Physician · Beverly Hills, CA
Mark Lubow Riley, DO is a rheumatology physician with a practice address in Beverly Hills, California, and NPI 1295239507, issued on Mar 21, 2018. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Lubow Riley
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 036.156867 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8750 Wilshire Blvd Ste 350, Beverly Hills, CA 90211
- Phone
- (310) 652-0010
- Enumerated
- Mar 21, 2018
- Record last updated
- Jun 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20230822004215); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 8750 Wilshire Blvd Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alden Bunyan, PA-CMedical Physician Assistant1265175574
- Daphne Scaramangas-Plumley, MDRheumatology Physician1073878229
Verify Mark Lubow Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average rheumatology physician in 2024
786 Medicare Part D claims for 167 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Prednisone103 claims
- Hydroxychloroquine Sulfate89 claims
- Gabapentin67 claims
- Methotrexate44 claims
- Duloxetine Hcl32 claims
- Celecoxib29 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): 78.8 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: $1,132.43
42 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- R.S. Venuturupalli, M.D. IncBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Lubow Riley among 926 rheumatology physician records in California
Mark Lubow Riley, DO is one of 926 rheumatology 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2003 among the 641 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Beverly Hills → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Shirin Bagheri, M.D.Beverly Hills, CA 902111821341892
- Dahlia Carr, MDBeverly Hills, CA 902111356368930
- David Hallegua, M.D.Beverly Hills, CA 902111063416964
- Christine Lee, MDBeverly Hills, CA 902111831452101
- Chia-Chi Lee, M.D., M.P.H.Beverly Hills, CA 902111609221506
- Seymour Levine, MDBeverly Hills, CA 902111003828153
- Long Pham, M.D.Beverly Hills, CA 902111215317821
- Richard Ress, M.D.Beverly Hills, CA 902111013929173
Common questions
What is Mark Lubow Riley, DO's NPI number?
Mark Lubow Riley, DO's National Provider Identifier (NPI) is 1295239507, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mark Lubow Riley, DO located?
The NPPES record lists a practice address at 8750 Wilshire Blvd Ste 350, Beverly Hills, CA, 90211. Phone: (310) 652-0010. Providers update this record themselves, so call before visiting.
How can I verify Mark Lubow Riley, DO's license?
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 Mark Lubow Riley, DO prescribe under Medicare Part D?
In 2024, Mark Lubow Riley, DO had 786 Medicare Part D claims for 167 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Mark Lubow Riley, DO's MIPS final score?
The 2023 MIPS final score is 78.8 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.