Doctor profile · Federal record

Dr. Philip Ngai, M.D.

Glaucoma Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · West Covina, CA

  • NPI 1649614215
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 S Sunset Ave Ste 205
West Covina, CA 91790
(626) 960-3741
fax (877) 991-4762

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
September 19, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207WX0009X — NUCC code
State license (1)
California #A135894

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649614215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18,699
Distinct HCPCS
10
Medicare allowed
$1,566,283
HCPCS Description Services Patients Avg allowed
92201 Extended exam of the back part of the eye with retinal drawing 3,914 1,448 $28
92020 Exam of the internal drainage system of eye 3,416 1,247 $32
92134 Imaging of retina 2,202 1,263 $45
99215 Established patient office or other outpatient visit, 40-54 minutes 2,183 1,030 $200
92083 Exam of visual field with extended testing 1,900 936 $74
92133 Imaging of optic nerve 1,093 750 $39
92014 Established patient complete exam of visual system 900 559 $147
99214 Established patient office or other outpatient visit, 30-39 minutes 458 353 $144
76514 Ultrasound scan of cornea to determine thickness 379 365 $12
92136 Measurement of corneal curvature and depth of eye 378 148 $28

In context: peer comparison

Among 1 peers in West Covina Glaucoma Specialist (Ophthalmology) Physician, average services per provider: 667. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,111
Transactions
27
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Sight Sciences, INC. 9 $4,804.86
Alcon Research LLC 1 $1,650.00
Alcon Vision LLC 8 $326.99
Abbvie INC. 3 $112.32
Nova Eye, INC. 1 $88.47
Carl Zeiss Meditec USA, INC. 1 $38.14
Sun Pharmaceutical Industries INC. 1 $25.84
Oyster Point Pharma, INC. 1 $25.43
Amgen INC. 1 $23.16
Johnson & Johnson Surgical Vision, INC. 1 $15.78

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$4,506
Consulting Fee
$1,650
Food and Beverage
$955

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,617
Patients
930
Total drug cost
$256,220
Drug Type Claims Patients Total cost
Latanoprost Generic 980 268 $22,871
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 319 97 $12,969
Azelastine Hcl Generic 242 100 $9,041
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 229 159 $3,185
Brimonidine Tartrate Generic 192 67 $8,113
Dorzolamide Hcl Generic 114 32 $3,827
Erythromycin (Erythromycin Base) Brand 100 61 $1,112
Timolol Maleate Generic 99 39 $2,306
Vyzulta (Latanoprostene Bunod) Brand 73 16 $39,414
Prednisolone Acetate Generic 65 45 $3,745

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Philip Ngai's medical specialty?
Dr. Philip Ngai practices Glaucoma Specialist (Ophthalmology) Physician in West Covina, CA.
Where does Dr. Philip Ngai practice?
Dr. Philip Ngai practices at 1250 S Sunset Ave Ste 205, West Covina, CA 91790. Office phone: 6269603741.
What is Dr. Philip Ngai's NPI?
Dr. Philip Ngai's National Provider Identifier (NPI) is 1649614215, issued by NPPES.
Does Dr. Philip Ngai accept Medicare assignment?
Yes. Dr. Philip Ngai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Philip Ngai commonly perform?
Top Medicare-reported procedures in 2023: Extended exam of the back part of the eye with retinal drawing (HCPCS 92201); Exam of the internal drainage system of eye (HCPCS 92020); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.