Doctor profile · Federal record

Dr. Tom Sun, MD

Ophthalmology Physician (CMS: Ophthalmology) · Tomball, TX

  • NPI 1306803283
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
455 School St, 47
Tomball, TX 773754595
(281) 351-7483
fax (281) 351-9771
Mailing address
2855 Gramercy St Ste 400
Houston, TX 770251697

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 22, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Texas #J6258
Medicaid
TX #113484306

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306803283. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,960
Distinct HCPCS
10
Medicare allowed
$636,448
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,583 1,509 $128
92012 Established patient problem focused exam of visual system 704 550 $91
92134 Imaging of retina 509 450 $40
92083 Exam of visual field with extended testing 409 397 $63
92136 Measurement of corneal curvature and depth of eye 385 248 $47
66984 Removal of cataract with insertion of prosthetic lens 356 215 $543
92133 Imaging of optic nerve 309 308 $34
92004 New patient complete exam of visual system 303 303 $151
92201 Extended exam of the back part of the eye with retinal drawing 162 150 $25
66821 Removal of recurring cataract in lens capsule using a laser 126 121 $381

In context: peer comparison

Among 2 peers in this city , average services per provider: 226. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$478
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 5 $201.54
ABBVIE INC. 3 $149.35
Johnson & Johnson Surgical Vision, Inc. 1 $87.75
Thea Pharma Inc. 1 $23.68
Bausch & Lomb Americas Inc. 1 $15.45

By nature of payment

Food and Beverage
$478

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,009
Patients
1,937
Total drug cost
$222,549
Drug Type Claims Patients Total cost
Latanoprost Generic 1,678 491 $39,314
Prednisolone Acetate Generic 535 437 $27,014
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 319 107 $9,538
Moxifloxacin (Moxifloxacin Hcl) Brand 301 281 $9,158
Brimonidine Tartrate Generic 230 80 $6,526
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 206 195 $2,756
Dorzolamide Hcl Generic 191 57 $8,892
Timolol Maleate Generic 174 68 $4,059
Besivance (Besifloxacin Hcl) Brand 113 108 $25,400
Rhopressa (Netarsudil Mesylate) Brand 60 17 $29,684

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tom Sun's medical specialty?
Dr. Tom Sun practices Ophthalmology Physician in Tomball, TX.
Where does Dr. Tom Sun practice?
Dr. Tom Sun practices at 455 School St, Tomball, TX 773754595. Office phone: 2813517483.
What is Dr. Tom Sun's NPI?
Dr. Tom Sun's National Provider Identifier (NPI) is 1306803283, issued by NPPES.
Does Dr. Tom Sun accept Medicare assignment?
Yes. Dr. Tom Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tom Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.