Philip Ngai, M.D.
Glaucoma Specialist (Ophthalmology) Physician · West Covina, CA
Philip Ngai, M.D. is a glaucoma specialist (ophthalmology) physician with a practice address in West Covina, California, and NPI 1649614215, issued on Apr 25, 2013. Check the license (California A135894, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Philip Ngai
- Credential
- M.D.
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License number
- A135894 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 S Sunset Ave Ste 205, West Covina, CA 91790
- Phone
- (626) 960-3741
- Enumerated
- Apr 25, 2013
- Record last updated
- Sep 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (877) 991-4762
- Medicare enrollment
- Enrolled (PECOS I20170725001052); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 70 in California → Look up another NPI →
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.
- Peter Chen, M.D.Ophthalmology Physician1326106253
Verify Philip Ngai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
3,513 Medicare Part D claims for 734 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Latanoprost1,089 claims
- Dorzolamide-Timolol437 claims
- Brimonidine Tartrate285 claims
- Azelastine Hcl259 claims
- Neomycin-Polymyxin-Dexameth200 claims
- 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 MIPS final 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; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, Inc. The 391 providers of this specialty with any payment received $5,284.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Philip Ngai among 70 glaucoma specialist (ophthalmology) physician records in California
Philip Ngai, M.D. is one of 70 glaucoma specialist (ophthalmology) physician records with a practice address in California. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 41% of them.
- NPI issued2013 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated2013 · median 2013 among the 65 with a school on file
- Record last updated2018 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in California
There are 70 glaucoma specialist (ophthalmology) physician records in California.
All 70 in California → Every provider in West Covina → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Medi Eslani, MDChula Vista, CA 919111437614310
- Luke Barnard, MDLa Mesa, CA 919421710543111
- Ardalan Aminlari, MDEncinitas, CA 920241639497258
- Howard Guan, M.D.San Marcos, CA 920691134427636
- Jiun Do, M.D., PH.D.La Jolla, CA 920931578900205
- Ashkan Kashanchi, MDSan Diego, CA 921031811576549
- Fahad Khan, MDSan Diego, CA 921031548605843
- Cristiana Vasile, M.D.San Diego, CA 921031891002044
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?
NPPES lists California license number A135894, as entered by the provider. 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 glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
What is Philip Ngai, M.D.'s MIPS final 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), 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.