Registry data as of Aug 27, 2026

Philip Ngai, M.D.

Ophthalmology Physician · West Covina, CA

Philip Ngai, M.D. is an ophthalmology physician with a practice address in West Covina, California, and NPI 1649614215, issued on Apr 25, 2013. Check the license on the Medical Board of California; 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
1649614215
Name
Philip Ngai
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
1250 S Sunset Ave Ste 205, West Covina, CA 91790
Phone
(626) 960-3741
Enumerated
Apr 25, 2013
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 1250 S Sunset Ave Ste 205

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

  1. Peter Chen, M.D.Ophthalmology Physician1326106253

Verify Philip Ngai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

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

2.4 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,513 Medicare Part D claims for 734 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Philip Ngai3,513
  2. Specialty average1,490

Most prescribed

  1. Latanoprost1,089 claims
  2. Dorzolamide-Timolol437 claims
  3. Brimonidine Tartrate285 claims
  4. Azelastine Hcl259 claims
  5. Neomycin-Polymyxin-Dexameth200 claims
  6. Timolol Maleate121 claims

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.

No measured Medicare quality score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,110.99

27 payments, mostly food and beverage; the largest payer was Sight Sciences, Inc.. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Philip Ngai$7,110.99
  2. Specialty average$4,937.17

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

Ophthalmology Physician providers in California

There are 2,888 ophthalmology physician records in California.

Other ophthalmology physician records in California

  1. Sam Abbassi, MD, MSWest Hills, CA1881937720
  2. Richard Abbott, M.D.San Francisco, CA1346276573
  3. Nizar Abdelfattah, MDPasadena, CA1801359393
  4. Parastou Abedi, MDAliso Viejo, CA1720067333
  5. Shahla Abedi, MDAliso Viejo, CA1467431072
  6. Lilit Ablabutyan, M.D.Glendale, CA1497013064
  7. Thomas Ableman, M.D.San Diego, CA1558415067
  8. Nathan Abraham, M.D.Valencia, CA1306224456
  9. James Abrams, M.D.San Bruno, CA1912903329
  10. Adam Abroms, MDWestlake Village, CA1497743702

Common questions

What is Philip Ngai, M.D.'s NPI number?

Philip Ngai, M.D.'s National Provider Identifier (NPI) is 1649614215, issued on Apr 25, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Philip Ngai, M.D. located?

The NPPES record lists a practice address at 1250 S Sunset Ave Ste 205, West Covina, CA, 91790. Phone: (626) 960-3741. Providers update this record themselves, so call before visiting.

How can I verify Philip Ngai, M.D.'s license?

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.

How much does Philip Ngai, M.D. prescribe under Medicare Part D?

In 2024, Philip Ngai, M.D. had 3,513 Medicare Part D claims for 734 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

What is Philip Ngai, M.D.'s Medicare quality score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.