NPPES file of Aug 9, 2026

Ashley Tiffany Owyang, O.D.

Optometrist · Long Beach, CA

Ashley Tiffany Owyang, O.D. is an optometrist with a practice address in Long Beach, California, and NPI 1245513571, issued on Sep 22, 2011. Check the license (California 14323TLG, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245513571
Name
Ashley Tiffany Owyang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
14323TLG CA
Self-reported in NPPES; status is on the state search
Practice location
4300 Long Beach Blvd Ste 400, Long Beach, CA 90807
Phone
(562) 591-7700
Enumerated
Sep 22, 2011
Record last updated
Feb 27, 2024
Fax
(562) 591-7700
Medicare enrollment
Enrolled (PECOS I20120502000653); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2011
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 4300 Long Beach Blvd Ste 400

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

  1. Cory Brame, M.D.Ophthalmology Physician1821093311
  2. Brandon Chuang, ODOptometrist1992209373
  3. Tu Doan, O.D.Optometrist1861557712
  4. Michael Markowitz, ODOptometrist1538937701
  5. Bao-Thu Nguyen, M.D.Ophthalmology Physician1538137666
  6. Dan Tran, M.D.Specialist1487767190

Verify Ashley Tiffany Owyang 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 14323TLG
    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

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95% fewer Medicare Part D claims than the average optometrist in 2024

13 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Ashley Owyang13
  2. Specialty average277

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): 78.4 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 score100.0
  2. Costout of 100 · 30%27.9
  3. Promoting interoperabilitynot scored (reweighted)
  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: $3,138.66

93 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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. Ashley Owyang$3,138.66
  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. Dan B Tran Medical CorporationOrange, CA

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

Ashley Tiffany Owyang among 8,308 optometrist records in California

Ashley Tiffany Owyang, 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 2011, is newer than 61% of them.

  • NPI issued2011 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2011 · median 2008 among the 3,573 with a school on file
  • Record last updated2024 · 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. Brandon Chuang, ODLong Beach, CA 908071992209373
  2. Tu Doan, O.D.Long Beach, CA 908071861557712
  3. Alma Fuentes, ODLong Beach, CA 908071316493158
  4. Alan Goldstone, O.D.Long Beach, CA 908071649381641
  5. Harvey Goldstone, O.D.Long Beach, CA 908071912018995
  6. Honey Hashemian, O.D.Long Beach, CA 908071366799538
  7. Frederick Huizar, O.D.Long Beach, CA 908071023159100
  8. Patrick Lauro, O.D.Long Beach, CA 908071275691875

Common questions

What is Ashley Tiffany Owyang, O.D.'s NPI number?

Ashley Tiffany Owyang, O.D.'s National Provider Identifier (NPI) is 1245513571, issued on Sep 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Tiffany Owyang, O.D. located?

The NPPES record lists a practice address at 4300 Long Beach Blvd Ste 400, Long Beach, CA, 90807. Phone: (562) 591-7700. Providers update this record themselves, so call before visiting.

How can I verify Ashley Tiffany Owyang, O.D.'s license?

NPPES lists California license number 14323TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ashley Tiffany Owyang, O.D. prescribe under Medicare Part D?

In 2024, Ashley Tiffany Owyang, O.D. had 13 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Ashley Tiffany Owyang, O.D.'s MIPS final score?

The 2023 MIPS final score is 78.4 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.