NPPES file of Aug 9, 2026

John D. Tassinari, O.D

Optometrist · Pomona, CA

John D. Tassinari, O.D is an optometrist with a practice address in Pomona, California, and NPI 1689770489, issued on Sep 16, 2006. Check the license (California OPT8873TPG, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689770489
Name
John D. Tassinari
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License number
OPT8873TPG CA
Self-reported in NPPES; status is on the state search
Practice location
795 E 2ND St, Pomona, CA 91766
Phone
(909) 706-3899
Enumerated
Sep 16, 2006
Record last updated
Oct 27, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(909) 469-8640
Medicare enrollment
Enrolled (PECOS I20061006000607); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1987
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 795 E 2ND St

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

  1. Maritza ArteagaCommunity Health Worker1578335782
  2. Melanie Barbee, MS RDRegistered Dietitian1538438155
  3. Edward Barnes, M.D.Nephrology Physician1689664484
  4. Rajivinder Brar, D.O., PH.D.Family Medicine Physician1629039664
  5. Briza Brooks, ODLow Vision Rehabilitation Optometrist1790489896
  6. Abby CappadonaMedical Physician Assistant1164850764

Verify John D. Tassinari 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 OPT8873TPG
    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.

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Industry payments in 2024: $64.08

3 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Tassinari$64.08
  2. Specialty average$769.99

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

Bills Medicare through one group practice

  1. Western University OF Health SciencesPomona, CA

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

John D. Tassinari among 8,308 optometrist records in California

John D. Tassinari, O.D is one of 8,308 optometrist 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1987 · median 2008 among the 3,573 with a school on file
  • Record last updated2016 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 optometrist records list a practice address in Pomona

They are 52 of the 5,102 NPPES records with a practice address in Pomona, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. David Cale, O.D.Pomona, CA 917661932190097
  2. Ida Chung, O.D.Pomona, CA 917661346216280
  3. Robin Drescher, ODPomona, CA 917661326031477
  4. Robert Gordon, ODPomona, CA 917661285692509
  5. Bradley Habermehl, ODPomona, CA 917661356375463
  6. Tiffenie Harris, O.D.Pomona, CA 917661497715031
  7. Philip Kwok, O.D.Pomona, CA 917661699785006
  8. Robert Lee, ODPomona, CA 917661396848792

Common questions

What is John D. Tassinari, O.D's NPI number?

John D. Tassinari, O.D's National Provider Identifier (NPI) is 1689770489, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John D. Tassinari, O.D located?

The NPPES record lists a practice address at 795 E 2ND St, Pomona, CA, 91766. Phone: (909) 706-3899. Providers update this record themselves, so call before visiting.

How can I verify John D. Tassinari, O.D's license?

NPPES lists California license number OPT8873TPG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.