Registry data as of Aug 27, 2026

Barbara Bytomski, O.D.

Optometrist · San Diego, CA

Barbara Bytomski, O.D. is an optometrist with a practice address in San Diego, California, and NPI 1932152816, issued on May 19, 2006. Check the license (California 8206T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1932152816
Name
Barbara Bytomski
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
8206T CA
Self-reported in NPPES; status is on the state search
Practice location
9320 Carmel Mountain RD, San Diego, CA 92129
Phone
(858) 484-1500
Enumerated
May 19, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9320 Carmel Mountain RD

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

  1. Joel Cook, O.D.Optometrist1245285485
  2. Sharon Jeong, L.AC.Acupuncturist1750721395
  3. Kevin Reeder, O.D.Optometrist1982650867
  4. Earl Sandler, O.D.Optometrist1245283142
  5. Dan Spinato, D.C.Nutrition Chiropractor1588748487
  6. Noriko Ueda-Lang, DACMAcupuncturist1538633383

Verify Barbara Bytomski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 8206T
    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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

90% fewer Medicare Part D claims than the average optometrist in 2024

29 Medicare Part D claims for 15 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 66% of claims.

  1. Barbara Bytomski29
  2. Specialty average279

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: $31.37

1 payment, mostly food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Barbara Bytomski$31.37
  2. Specialty average$749.79

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

Optometrist providers in California

There are 8,156 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Barbara Bytomski, O.D.'s NPI number?

Barbara Bytomski, O.D.'s National Provider Identifier (NPI) is 1932152816, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Bytomski, O.D. located?

The NPPES record lists a practice address at 9320 Carmel Mountain RD, San Diego, CA, 92129. Phone: (858) 484-1500. Providers update this record themselves, so call before visiting.

How can I verify Barbara Bytomski, O.D.'s license?

NPPES lists California license number 8206T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Barbara Bytomski, O.D. prescribe under Medicare Part D?

In 2024, Barbara Bytomski, O.D. had 29 Medicare Part D claims for 15 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.