NPPES file of Aug 9, 2026

Karen Kay Hun Tang, O.D.

Optometrist · Torrance, CA

Karen Kay Hun Tang, O.D. is an optometrist with a practice address in Torrance, California, and NPI 1992733786, issued on Jun 29, 2006. Check the license (California 12864T, 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
1992733786
Name
Karen Kay Hun Tang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
12864T CA
Self-reported in NPPES; status is on the state search
Practice location
3537 Torrance Blvd, Torrance, CA 90503
Phone
(310) 543-3555
Enumerated
Jun 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(310) 540-8363
Medicare enrollment
Enrolled (PECOS I20070505000131); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2005
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.
Download card Updates feed

Also registered at 3537 Torrance Blvd

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

  1. Albert Chun, O.D.Optometrist1952378010
  2. Chong Lee, ACAcupuncturist1417020256
  3. Erica Yoo, O.D.Optometrist1801112461

Verify Karen Kay Hun Tang 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 12864T
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $353.79

17 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Karen Tang$353.79
  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. H Shammas MD IncLynwood, CA

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

Karen Kay Hun Tang among 8,308 optometrist records in California

Karen Kay Hun Tang, 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
  • Graduated2005 · median 2008 among the 3,573 with a school on file
  • Record last updated2007 · 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Geri Bonde, O.D.Torrance, CA 905031316982556
  2. Jessica Chang, O.D.Torrance, CA 905031972667889
  3. Albert Chun, O.D.Torrance, CA 905031952378010
  4. David Cloutier, O.D.Torrance, CA 905031578506549
  5. Jeffrey Fleming, O.D.Torrance, CA 905031679542989
  6. Deborah Geering-Fend, O.D.Torrance, CA 905031669553871
  7. Emily Kim, O.D.Torrance, CA 905031679689863
  8. Grace Kuo, O.D.Torrance, CA 905031588711519

Common questions

What is Karen Kay Hun Tang, O.D.'s NPI number?

Karen Kay Hun Tang, O.D.'s National Provider Identifier (NPI) is 1992733786, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Kay Hun Tang, O.D. located?

The NPPES record lists a practice address at 3537 Torrance Blvd, Torrance, CA, 90503. Phone: (310) 543-3555. Providers update this record themselves, so call before visiting.

How can I verify Karen Kay Hun Tang, O.D.'s license?

NPPES lists California license number 12864T, 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.