Doctor profile · Federal record
Dr. Sophia Chen, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Oakland, CA
- NPI 1033183934
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
345 9Th St, Suite 204
Oakland, CA 946076522
(510) 350-8741
fax (510) 879-6968
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 15, 2022
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A82768
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033183934. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,204
Distinct HCPCS
10
Medicare allowed
$651,872
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 1,042 | 936 | $160 | |
92133 |
Imaging of optic nerve | 687 | 643 | $42 | |
92083 |
Exam of visual field with extended testing | 682 | 638 | $81 | |
92004 |
New patient complete exam of visual system | 369 | 369 | $188 | |
92250 |
Photography of the retina | 270 | 254 | $47 | |
76519 |
Ultrasound scan to determine eye length and lens power | 214 | 153 | $53 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 213 | 170 | $109 | |
92025 |
Ct scan of cornea | 210 | 150 | $38 | |
65855 |
Laser repair to improve eye fluid flow | 148 | 90 | $302 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 123 | 93 | $547 |
In context: peer comparison
Among 4 peers in Oakland Ophthalmology Physician, average services per provider: 264. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$929
Transactions
40
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 10 | $240.62 | |
| Bausch & Lomb Americas INC. | 10 | $211.26 | |
| Alcon Vision LLC | 7 | $130.66 | |
| Sight Sciences, INC. | 4 | $117.05 | |
| Oyster Point Pharma, INC. | 4 | $115.31 | |
| Tarsus Pharmaceuticals, INC. | 2 | $50.22 | |
| Thea Pharma INC. | 1 | $24.81 | |
| Sun Pharmaceutical Industries INC. | 1 | $20.24 | |
| Dompe US, INC. | 1 | $18.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,724
Patients
1,651
Total drug cost
$1,193,546
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 1,043 | 346 | $28,038 |
| Lumigan (Bimatoprost) | Brand | 508 | 169 | $321,121 |
| Prednisolone Acetate | Generic | 321 | 196 | $23,016 |
| Ciprofloxacin Hcl | Generic | 306 | 187 | $5,567 |
| Flurbiprofen Sodium | Generic | 271 | 180 | $34,957 |
| Xiidra (Lifitegrast) | Brand | 269 | 133 | $334,048 |
| Dorzolamide Hcl | Generic | 219 | 62 | $6,813 |
| Timolol Maleate | Generic | 201 | 62 | $6,448 |
| Restasis (Cyclosporine) | Brand | 134 | 61 | $191,139 |
| Tyrvaya (Varenicline Tartrate) | Brand | 120 | 65 | $138,661 |
Hospital affiliations
Frequently asked questions
What is Dr. Sophia Chen's medical specialty?
Dr. Sophia Chen practices Ophthalmology Physician in Oakland, CA.
Where does Dr. Sophia Chen practice?
Dr. Sophia Chen practices at 345 9Th St, Oakland, CA 946076522. Office phone: 5103508741.
What is Dr. Sophia Chen's NPI?
Dr. Sophia Chen's National Provider Identifier (NPI) is 1033183934, issued by NPPES.
Does Dr. Sophia Chen accept Medicare assignment?
Yes. Dr. Sophia Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sophia Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of optic nerve (HCPCS 92133); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.