NPPES file of Aug 9, 2026

Alexander Valentine Rybkin, M.D.

Diagnostic Radiology Physician · Santa Barbara, CA

Alexander Valentine Rybkin, M.D. is a diagnostic radiology physician with a practice address in Santa Barbara, California, and NPI 1336137025, issued on Oct 7, 2005. Check the license (California A75048, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336137025
Name
Alexander Valentine Rybkin
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A75048 CA
Self-reported in NPPES; status is on the state search
Practice location
Pueblo AT Bath St., Santa Barbara, CA 93105
Phone
(805) 569-7279
Enumerated
Oct 7, 2005
Record last updated
Jul 13, 2026
Fax
(805) 569-8279
Medicare enrollment
Enrolled (PECOS I20040814000154); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1999
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 Pueblo AT Bath St.

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

  1. Bernard Chow, M.D.Diagnostic Radiology Physician1770582751
  2. Thomas Daughters, M.D.Diagnostic Radiology Physician1841283397
  3. Arthur Lee, M.D.Diagnostic Radiology Physician1306845847
  4. Kathleen Pojunas, M.D.Diagnostic Radiology Physician1386643989
  5. Hector Rodriguez, M.D.Diagnostic Radiology Physician1235138785
  6. Brian Schnier, M.D.Diagnostic Radiology Physician1083613475

Verify Alexander Valentine 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 A75048
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 91.9 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 score83.5
  2. Costout of 100 · 30%68.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through 2 group practices

  1. City And County OF San FranciscoSan Francisco, CA
  2. University OF California Sfgh Medical GroupSan Francisco, CA

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

Alexander Valentine Rybkin among 4,500 diagnostic radiology physician records in California

Alexander Valentine Rybkin, M.D. is one of 4,500 diagnostic radiology 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1999 · median 2004 among the 3,130 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 diagnostic radiology physician records list a practice address in Santa Barbara

They are 72 of the 5,328 NPPES records with a practice address in Santa Barbara, and 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. James Benzian, M.D.Santa Barbara, CA 931051497754931
  2. Bernard Chow, M.D.Santa Barbara, CA 931051770582751
  3. Kenneth Daughters, M.D.Santa Barbara, CA 931051598764193
  4. Thomas Daughters, M.D.Santa Barbara, CA 931051841283397
  5. Arthur Lee, M.D.Santa Barbara, CA 931051306845847
  6. John Mardiat, M.D.Santa Barbara, CA 931051801896675
  7. Monica Micon, M.D.Santa Barbara, CA 931051730188236
  8. Kathleen Pojunas, M.D.Santa Barbara, CA 931051386643989

Common questions

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

Alexander Valentine Rybkin, M.D.'s National Provider Identifier (NPI) is 1336137025, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Valentine Rybkin, M.D. located?

The NPPES record lists a practice address at Pueblo AT Bath St., Santa Barbara, CA, 93105. Phone: (805) 569-7279. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A75048, 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.

What is Alexander Valentine Rybkin, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.9 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.