Doctor profile · Federal record
Dr. Lina Chan, OD
Optometrist (CMS: Optometry) · Walnut Creek, CA
- NPI 1659358042
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
122 la Casa Via, #222
Walnut Creek, CA 945983014
(925) 947-0888
fax (925) 947-4385 - Mailing address
-
365 Lennon Ln, Ste 210
Walnut Creek, CA 945985912
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- January 7, 2020
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT11108
- Medicaid
- CA #SD0111080
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659358042. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
240
Distinct HCPCS
7
Medicare allowed
$25,228
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 112 | 89 | $108 | |
92134 |
Imaging of retina | 27 | 26 | $50 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 22 | $152 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $133 | |
92083 |
Exam of visual field with extended testing | 19 | 16 | $81 | |
92133 |
Imaging of optic nerve | 18 | 17 | $43 | |
92014 |
Established patient complete exam of visual system | 16 | 16 | $159 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 63. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$153
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 2 | $42.57 | |
| Amgen Inc. | 1 | $38.44 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $31.89 | |
| ANI Pharmaceuticals, Inc. | 1 | $22.87 | |
| RxSight Inc | 1 | $17.15 |
By nature of payment
Frequently asked questions
What is Dr. Lina Chan's medical specialty?
Dr. Lina Chan practices Optometrist in Walnut Creek, CA.
Where does Dr. Lina Chan practice?
Dr. Lina Chan practices at 122 la Casa Via, Walnut Creek, CA 945983014. Office phone: 9259470888.
What is Dr. Lina Chan's NPI?
Dr. Lina Chan's National Provider Identifier (NPI) is 1659358042, issued by NPPES.
Does Dr. Lina Chan accept Medicare assignment?
Yes. Dr. Lina Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lina Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.