NPPES file of Aug 9, 2026

Lin Chew Ota, M.D.

Obstetrics & Gynecology Physician · Riverside, CA

Lin Chew Ota, M.D. is an obstetrics & gynecology physician with a practice address in Riverside, California, and NPI 1740424415, issued on Apr 27, 2009. Check the license (California A124056, 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
1740424415
Name
Lin Chew Ota
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A124056 CA
Self-reported in NPPES; status is on the state search
Practice location
6250 Clay Street, Riverside, CA 92509
Phone
(951) 360-5265
Enumerated
Apr 27, 2009
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130815000491); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2009
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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Verify Lin Chew Ota in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124056
    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

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68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

53 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Lin Ota53
  2. Specialty average165

Most prescribed

  1. Medroxyprogesterone Acetate12 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lin Chew Ota among 5,088 obstetrics & gynecology physician records in California

Lin Chew Ota, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.

  • NPI issued2009 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2009 · median 2004 among the 2,700 with a school on file
  • Record last updated2021 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Jenny Jean, M.D.Riverside, CA 925091881129732
  2. Samah Arsanious, M.D.Riverside, CA 925081225393960
  3. Bobby Garcia, M.D.Riverside, CA 925081548520133
  4. Jennifer Gutierrez, PA-CRiverside, CA 925081700409836
  5. Deanah Jibril, DORiverside, CA 925081134183114
  6. Natalie Rivera, MDRiverside, CA 925081427687680
  7. David Berke, D.O.Riverside, CA 925071235372335
  8. Edward Matuga, MDRiverside, CA 925071003890682

Common questions

What is Lin Chew Ota, M.D.'s NPI number?

Lin Chew Ota, M.D.'s National Provider Identifier (NPI) is 1740424415, issued on Apr 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lin Chew Ota, M.D. located?

The NPPES record lists a practice address at 6250 Clay Street, Riverside, CA, 92509. Phone: (951) 360-5265. Providers update this record themselves, so call before visiting.

How can I verify Lin Chew Ota, M.D.'s license?

NPPES lists California license number A124056, 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 Lin Chew Ota, M.D. prescribe under Medicare Part D?

In 2024, Lin Chew Ota, M.D. had 53 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.