Doctor profile · Federal record
Dr. David Yi, MD
Ophthalmology Physician (CMS: Ophthalmology) · Chelmsford, MA
- NPI 1003808197
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
19 Village Sq
Chelmsford, MA 018242712
(978) 256-5600
fax (978) 703-0250
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- September 29, 2011
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- Massachusetts #209741
- Medicaid
- MA #0138479
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003808197. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,066
Distinct HCPCS
10
Medicare allowed
$467,358
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 716 | 713 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 532 | 357 | $99 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 321 | 177 | $473 | |
92136 |
Measurement of corneal curvature and depth of eye | 316 | 212 | $44 | |
92133 |
Imaging of optic nerve | 265 | 262 | $41 | |
92083 |
Exam of visual field with extended testing | 247 | 242 | $71 | |
92012 |
Established patient problem focused exam of visual system | 183 | 173 | $102 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 181 | 176 | $140 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 103 | 99 | $398 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 75 | 75 | $181 |
In context: peer comparison
Among 1 peers in Chelmsford Ophthalmology Physician, average services per provider: 204. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$183
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Biotissue Holdings INC. | 2 | $94.20 | |
| Abbvie INC. | 2 | $39.38 | |
| Glaukos Corporation | 1 | $25.15 | |
| Alcon Vision LLC | 1 | $23.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,141
Patients
821
Total drug cost
$295,804
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 701 | 220 | $18,628 |
| Prednisolone Acetate | Generic | 258 | 138 | $10,241 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 204 | 65 | $7,534 |
| Ketorolac Tromethamine | Generic | 140 | 76 | $3,008 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 134 | 75 | $3,586 |
| Brimonidine Tartrate | Generic | 117 | 43 | $9,192 |
| Timolol Maleate | Generic | 116 | 38 | $3,090 |
| Restasis (Cyclosporine) | Brand | 111 | 42 | $129,647 |
| Erythromycin (Erythromycin Base) | Brand | 72 | 32 | $836 |
| Dorzolamide Hcl | Generic | 64 | 20 | $1,638 |
Frequently asked questions
What is Dr. David Yi's medical specialty?
Dr. David Yi practices Ophthalmology Physician in Chelmsford, MA.
Where does Dr. David Yi practice?
Dr. David Yi practices at 19 Village Sq, Chelmsford, MA 018242712. Office phone: 9782565600.
What is Dr. David Yi's NPI?
Dr. David Yi's National Provider Identifier (NPI) is 1003808197, issued by NPPES.
Does Dr. David Yi accept Medicare assignment?
Yes. Dr. David Yi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Yi commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.