Philip Ngai, M.D.
NPI 1649614215 · Glaucoma Specialist (Ophthalmology) Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Ngai, M.D. is a Glaucoma Specialist (Ophthalmology) Physician provider in West Covina, CA (NPI 1649614215).
Provider details
- NPI number
- 1649614215
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A135894 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
18,744 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Exam of the Internal Drainage System of Eye92020 | 2,988 | $31 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 2,979 | $28 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 2,699 | $18 |
| Imaging of Retina92134 | 2,054 | $45 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 1,903 | $204 |
| Exam of Visual Field With Extended Testing92083 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,089 | 318 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 437 | 133 |
| Brimonidine Tartrate | 285 | 90 |
| Azelastine Hcl | 259 | 94 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 200 | 124 |
| Timolol Maleate | 121 | 48 |
| Cyclosporine | 106 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,111 across 27 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-25
- Last updated
- 2018-09-19
Frequently asked questions
- What is Philip Ngai's NPI number?
- Philip Ngai's National Provider Identifier (NPI) is 1649614215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Ngai's specialty?
- Philip Ngai is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Ngai located?
- Philip Ngai's practice location on file with NPPES is 1250 S Sunset Ave Ste 205, West Covina, CA 91790.
- What is Philip Ngai's phone number?
- The practice phone number listed in the NPPES registry for Philip Ngai is (626) 960-3741.
- Does Philip Ngai accept Medicare?
- Philip Ngai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Ngai's NPI active?
- Yes — Philip Ngai's NPI (1649614215) is active in the NPPES registry as of the last update on 2018-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.