Doctor profile · Federal record
Dr. Keying Yan, OD
Optometrist (CMS: Optometry) · Optometrist · Williamsport, PA
- NPI 1447924329
- Accepts Medicare
- MIPS 81.5 / 100 · 2023
- 5 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1705 Warren Ave Ste 303
Williamsport, PA 177012665
(570) 320-7850 - Mailing address
-
1201 Grampian Blvd
Williamsport, PA 177011900
Credentials & registration
- NPI registered
- August 2021 — 5 yrs on file
- Profile last updated
- July 13, 2022
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State licenses (2)
- Pennsylvania #OEG003885 · New York #009356
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447924329. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
427
Distinct HCPCS
10
Medicare allowed
$38,737
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92004 |
New patient complete exam of visual system | 82 | 82 | $143 | |
92134 |
Imaging of retina | 81 | 65 | $38 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 80 | 66 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 44 | $122 | |
92133 |
Imaging of optic nerve | 44 | 44 | $35 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $159 | |
92083 |
Exam of visual field with extended testing | 20 | 18 | $59 | |
92014 |
Established patient complete exam of visual system | 19 | 19 | $117 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $108 | |
76514 |
Ultrasound scan of cornea to determine thickness | 11 | 11 | $10 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 57. This provider delivers 7.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
80
Patients
17
Total drug cost
$17,676
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 37 | 17 | $591 |
| Restasis (Cyclosporine) | Brand | 20 | 0 | $13,843 |
| Timolol Maleate | Generic | 12 | 0 | $102 |
| Alphagan P (Brimonidine Tartrate) | Brand | 11 | 0 | $3,140 |
Frequently asked questions
What is Dr. Keying Yan's medical specialty?
Dr. Keying Yan practices Optometrist in Williamsport, PA.
Where does Dr. Keying Yan practice?
Dr. Keying Yan practices at 1705 Warren Ave Ste 303, Williamsport, PA 177012665. Office phone: 5703207850.
What is Dr. Keying Yan's NPI?
Dr. Keying Yan's National Provider Identifier (NPI) is 1447924329, issued by NPPES.
Does Dr. Keying Yan accept Medicare assignment?
Yes. Dr. Keying Yan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keying Yan commonly perform?
Top Medicare-reported procedures in 2023: New patient complete exam of visual system (HCPCS 92004); Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.