NPPES file of Aug 9, 2026

Ivan Rybkin, M.D.

Obstetrics Physician · Loma Linda, CA

Ivan Rybkin, M.D. is an obstetrics physician with a practice address in Loma Linda, California, and NPI 1619364940, issued on Apr 24, 2015. Check the license (California A143769, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619364940
Name
Ivan Rybkin
Credential
M.D.
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
A143769 CA
Self-reported in NPPES; status is on the state search
Practice location
11234 Anderson Street, Loma Linda, CA 92354
Phone
(909) 651-5510
Enumerated
Apr 24, 2015
Record last updated
Aug 7, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190823001874); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2015
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 11234 Anderson Street

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

  1. Farah AbuazzamStudent in an Organized Health Care Education/Training Program1013589241
  2. Marianne Aldridge, M.D.Addiction Medicine (Family Medicine) Physician1336311000
  3. Adel Alset, MDStudent in an Organized Health Care Education/Training Program1184476970
  4. Ronald Anthony, NPFamily Nurse Practitioner1902363112
  5. Rahma Arafa, MDStudent in an Organized Health Care Education/Training Program1992400550
  6. Alanna Asgeirsson, MDStudent in an Organized Health Care Education/Training Program1306535372

Verify Ivan Rybkin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A143769
    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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78% fewer Medicare Part D claims than the average obstetrics physician in 2024

48 Medicare Part D claims for 15 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Ivan Rybkin48
  2. Specialty average218

Most prescribed

  1. Duloxetine Hcl11 claims
  2. Tramadol Hcl11 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.

  1. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $59.10

3 payments; by number, the most common kind was food and beverage; the largest payer was Ethicon US, LLC. The 679 providers of this specialty with any payment received $826.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ivan Rybkin$59.10
  2. Specialty average$826.19

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

Bills Medicare through 3 group practices

  1. County OF RiversideMoreno Valley, CA
  2. Faculty Physicians And Surgeons OF LlusmSan Bernardino, CA
  3. Kapadia Medical CorporationLos Angeles, CA

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

Ivan Rybkin among 174 obstetrics physician records in California

Ivan Rybkin, M.D. is one of 174 obstetrics physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.

  • NPI issued2015 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2015 · median 2002 among the 91 with a school on file
  • Record last updated2019 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in California

There are 174 obstetrics physician records in California.

The 8 obstetrics physician records with the nearest ZIP codes

  1. Phong Lai, D.O.Loma Linda, CA 923541245417526
  2. William Deschner, M.D.Lake Arrowhead, CA 923521780719393
  3. Delilah Garcia-Kearney, NPLoma Linda, CA 923501508663600
  4. Nancy Pulido, NPFontana, CA 923361215382874
  5. Christina Bennett-Stewart, M.D.Redlands, CA 923731134162225
  6. Sandra Murdock, CNMFontana, CA 923351558126037
  7. Lu-Wei King, M.D.Barstow, CA 923111184647950
  8. Tanyaradzwa Chasara, MDApple Valley, CA 923071265052443

Common questions

What is Ivan Rybkin, M.D.'s NPI number?

Ivan Rybkin, M.D.'s National Provider Identifier (NPI) is 1619364940, issued on Apr 24, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ivan Rybkin, M.D. located?

The NPPES record lists a practice address at 11234 Anderson Street, Loma Linda, CA, 92354. Phone: (909) 651-5510. Providers update this record themselves, so call before visiting.

How can I verify Ivan Rybkin, M.D.'s license?

NPPES lists California license number A143769, 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 Ivan Rybkin, M.D. prescribe under Medicare Part D?

In 2024, Ivan Rybkin, M.D. had 48 Medicare Part D claims for 15 beneficiaries; the average among obstetrics physician prescribers was 218. Part D covers Medicare prescriptions only.

What is Ivan Rybkin, 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.