Doctor profile · Federal record
Dr. Clark Tsai, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Concord, CA
- NPI 1720096829
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2700 Grant St, Ste. 100
Concord, CA 945202266
(925) 689-7744
fax (925) 689-7748 - Mailing address
-
2225 Port Chicago Hwy
Concord, CA 945202051
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 17, 2015
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G76192
- Medicaid
- CA #00G761922
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720096829. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13,067
Distinct HCPCS
10
Medicare allowed
$1,204,630
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 2,566 | 965 | $158 | |
92100 |
Multiple measurements of eye fluid pressure over an extended time period | 1,407 | 1,000 | $112 | |
92020 |
Exam of the internal drainage system of eye | 1,363 | 1,003 | $34 | |
76514 |
Ultrasound scan of cornea to determine thickness | 1,291 | 947 | $13 | |
92250 |
Photography of the retina | 975 | 902 | $43 | |
92083 |
Exam of visual field with extended testing | 931 | 904 | $77 | |
92134 |
Imaging of retina | 628 | 426 | $49 | |
92133 |
Imaging of optic nerve | 602 | 570 | $46 | |
92284 |
Evaluation of eye adaptation to light and dark with interpretation and report | 482 | 470 | $64 | |
68761 |
Closure of tear duct opening using plug | 466 | 112 | $107 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 295. This provider delivers 44× the peer median.Open Payments
Industry payments received
All-time total
$239
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 2 | $142.62 | |
| Amgen Inc. | 1 | $36.00 | |
| Mallinckrodt Hospital Products Inc. | 1 | $25.85 | |
| Bausch & Lomb Americas Inc. | 1 | $19.26 | |
| Sight Sciences, Inc. | 1 | $15.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,121
Patients
2,174
Total drug cost
$526,036
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 2,084 | 723 | $68,275 |
| Brimonidine Tartrate | Generic | 1,119 | 347 | $22,305 |
| Timolol Maleate | Generic | 845 | 252 | $17,336 |
| Dorzolamide Hcl | Generic | 450 | 111 | $13,844 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 324 | 162 | $15,582 |
| Prednisolone Acetate | Generic | 265 | 164 | $18,095 |
| Azelastine Hcl | Generic | 261 | 99 | $11,106 |
| Ketorolac Tromethamine | Generic | 185 | 113 | $7,784 |
| Restasis (Cyclosporine) | Brand | 146 | 58 | $182,479 |
| Rhopressa (Netarsudil Mesylate) | Brand | 106 | 30 | $46,974 |
Hospital affiliations
Frequently asked questions
What is Dr. Clark Tsai's medical specialty?
Dr. Clark Tsai practices Ophthalmology Physician in Concord, CA.
Where does Dr. Clark Tsai practice?
Dr. Clark Tsai practices at 2700 Grant St, Concord, CA 945202266. Office phone: 9256897744.
What is Dr. Clark Tsai's NPI?
Dr. Clark Tsai's National Provider Identifier (NPI) is 1720096829, issued by NPPES.
Does Dr. Clark Tsai accept Medicare assignment?
Yes. Dr. Clark Tsai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clark Tsai commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Multiple measurements of eye fluid pressure over an extended time period (HCPCS 92100); Exam of the internal drainage system of eye (HCPCS 92020). Source: CMS Medicare Physician & Other Practitioners file.