Doctor profile · Federal record

Dr. Christopher Ta, MD

Ophthalmology Physician (CMS: Ophthalmology) · Stanford, CA

  • NPI 1609903020
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Mailing address
2680 Hanover St
Palo Alto, CA 943041117

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
April 4, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A54687
Medicaid
CA #00A546870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609903020. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,368
Distinct HCPCS
10
Medicare allowed
$151,790
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 554 248 $112
99215 Established patient office or other outpatient visit, 40-54 minutes 284 141 $164
68761 Closure of tear duct opening using plug 130 37 $115
99213 Established patient office or other outpatient visit, 20-29 minutes 97 74 $75
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 65 32 $36
67820 Removal of eyelashes using forceps 38 22 $30
76512 2d ultrasound scan of eye tissue and structures 37 19 $37
65430 Scraping of cornea for diagnosis 33 25 $121
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $153
92014 Established patient complete exam of visual system 21 21 $94

In context: peer comparison

Among 14 peers in Stanford Ophthalmology Physician, average services per provider: 205. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$428
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $236.98
Oyster Point Pharma, INC. 1 $107.50
Dompe US, INC. 1 $83.26

By nature of payment

Food and Beverage
$428

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
901
Patients
298
Total drug cost
$815,218
Drug Type Claims Patients Total cost
Erythromycin (Erythromycin Base) Brand 154 93 $1,634
Doxycycline Hyclate Generic 145 33 $6,149
Restasis (Cyclosporine) Brand 117 38 $175,801
Moxifloxacin (Moxifloxacin Hcl) Brand 109 35 $4,617
Valacyclovir (Valacyclovir Hcl) Brand 88 32 $9,997
Prednisolone Acetate Generic 70 25 $2,922
Xiidra (Lifitegrast) Brand 50 19 $68,480
Cyclosporine Generic 44 23 $43,395
Acyclovir Generic 25 0 $2,225
Oxervate (Cenegermin-Bkbj) Brand 20 0 $498,034

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Ta's medical specialty?
Dr. Christopher Ta practices Ophthalmology Physician in Stanford, CA.
Where does Dr. Christopher Ta practice?
Dr. Christopher Ta practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Christopher Ta's NPI?
Dr. Christopher Ta's National Provider Identifier (NPI) is 1609903020, issued by NPPES.
Does Dr. Christopher Ta accept Medicare assignment?
Yes. Dr. Christopher Ta accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Ta commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Closure of tear duct opening using plug (HCPCS 68761). Source: CMS Medicare Physician & Other Practitioners file.