NPPES file of Aug 9, 2026

Oleg Stens, MD

Rheumatology Physician · Torrance, CA

Oleg Stens, MD is a rheumatology physician with a practice address in Torrance, California, and NPI 1932634839, issued on Apr 27, 2017. Check the license (California A158132, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932634839
Name
Oleg Stens
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
A158132 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 W Carson St, Torrance, CA 90502
Phone
(310) 222-2345
Enumerated
Apr 27, 2017
Record last updated
Sep 8, 2022
Medicare enrollment
Enrolled (PECOS I20260121000587); may accept Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 W Carson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
  2. Brenda Abarca, MDPsychiatry Physician1407485527
  3. Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
  4. Saamirah Abdul-MuminCommunity Health Worker1144683947
  5. Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
  6. Hoda Abou-Ziab, PSYDClinical Psychologist1649618125

Verify Oleg Stens in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A158132
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average rheumatology physician in 2024

142 Medicare Part D claims for 50 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Oleg Stens142
  2. Specialty average1,978

Most prescribed

  1. Methotrexate32 claims
  2. Hydroxychloroquine Sulfate17 claims
  3. Leflunomide11 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.

Industry payments in 2024: $1,378.77

14 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. 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.

  1. Oleg Stens$1,378.77
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Oleg Stens among 926 rheumatology physician records in California

Oleg Stens, MD 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 2017, is newer than 88% of them.

  • NPI issued2017 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2017 · median 2003 among the 641 with a school on file
  • Record last updated2022 · 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.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Viet Bui, MD, PHDTorrance, CA 905021396092227
  2. William Chin, M.D.Torrance, CA 905021790995769
  3. Dilrukshie Cooray, M.D.Torrance, CA 905021366548646
  4. George Karpouzas, M.D.Torrance, CA 905021154384303
  5. Michael Liebling, M.D.Torrance, CA 905021386691376
  6. Morteza Azimian, M.D.Torrance, CA 905031295940229
  7. Steve Aziz, M.D.Torrance, CA 905031982966271
  8. Michael Duffin, M.D.Torrance, CA 905031578587309

Common questions

What is Oleg Stens, MD's NPI number?

Oleg Stens, MD's National Provider Identifier (NPI) is 1932634839, issued on Apr 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Oleg Stens, MD located?

The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (310) 222-2345. Providers update this record themselves, so call before visiting.

How can I verify Oleg Stens, MD's license?

NPPES lists California license number A158132, 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 Oleg Stens, MD prescribe under Medicare Part D?

In 2024, Oleg Stens, MD had 142 Medicare Part D claims for 50 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.