Doctor profile · Federal record
Dr. John Yang, MD
Ophthalmology Physician (CMS: Ophthalmology) · Chicago, IL
- NPI 1942315312
- Accepts Medicare
- MIPS 84.2 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
676 N St Clair, #320
Chicago, IL 60611
(312) 475-1000
fax (312) 475-1006
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942315312. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,989
Distinct HCPCS
10
Medicare allowed
$456,638
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,889 | 1,295 | $134 | |
92133 |
Imaging of optic nerve | 484 | 467 | $36 | |
92083 |
Exam of visual field with extended testing | 435 | 409 | $64 | |
92134 |
Imaging of retina | 379 | 350 | $41 | |
92136 |
Measurement of corneal curvature and depth of eye | 158 | 80 | $40 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 135 | 86 | $538 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 126 | 126 | $176 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 90 | 83 | $94 | |
92014 |
Established patient complete exam of visual system | 83 | 81 | $126 | |
68761 |
Closure of tear duct opening using plug | 50 | 20 | $117 |
In context: peer comparison
Among 73 peers in Chicago Ophthalmology Physician, average services per provider: 211. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$557
Transactions
20
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Harrow Eye, LLC | 4 | $103.91 | |
| Abbvie INC. | 4 | $89.00 | |
| Glaukos Corporation | 1 | $88.77 | |
| Sun Pharmaceutical Industries INC. | 3 | $83.80 | |
| Tarsus Pharmaceuticals, INC. | 2 | $70.39 | |
| Bausch & Lomb Americas INC. | 2 | $42.19 | |
| Alcon Vision LLC | 1 | $22.95 | |
| Sight Sciences, INC. | 1 | $21.90 | |
| Thea Pharma INC. | 1 | $20.30 | |
| Oyster Point Pharma, INC. | 1 | $13.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,435
Patients
547
Total drug cost
$314,146
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 410 | 120 | $13,877 |
| Timolol Maleate | Generic | 208 | 64 | $6,724 |
| Prednisolone Acetate | Generic | 121 | 84 | $4,719 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 120 | 33 | $3,834 |
| Restasis (Cyclosporine) | Brand | 89 | 40 | $104,387 |
| Lumigan (Bimatoprost) | Brand | 88 | 29 | $63,026 |
| Brimonidine Tartrate | Generic | 87 | 38 | $2,115 |
| Dorzolamide Hcl | Generic | 54 | 21 | $1,459 |
| Simbrinza (Brinzolamide/Brimonidine Tart) | Brand | 46 | 13 | $12,038 |
| Travoprost | Generic | 46 | 15 | $15,960 |
Frequently asked questions
What is Dr. John Yang's medical specialty?
Dr. John Yang practices Ophthalmology Physician in Chicago, IL.
Where does Dr. John Yang practice?
Dr. John Yang practices at 676 N St Clair, Chicago, IL 60611. Office phone: 3124751000.
What is Dr. John Yang's NPI?
Dr. John Yang's National Provider Identifier (NPI) is 1942315312, issued by NPPES.
Does Dr. John Yang accept Medicare assignment?
Yes. Dr. John Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Yang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Imaging of optic nerve (HCPCS 92133); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.