Doctor profile · Federal record
Dr. Karen Chao, O.D.
Optometrist (CMS: Optometry) · San Gabriel, CA
- NPI 1013953108
- Accepts Medicare
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
121 S del Mar Ave, Suite A
San Gabriel, CA 917761345
(626) 287-0401
fax (626) 287-1457
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT 10301 TPA
- Medicaid
- CA #SD0103010
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013953108. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
292
Distinct HCPCS
5
Medicare allowed
$22,950
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92250 |
Photography of the retina | 102 | 84 | $39 | |
92082 |
Exam of visual field with intermediate testing | 78 | 73 | $53 | |
92014 |
Established patient complete exam of visual system | 60 | 60 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 25 | $98 | |
92004 |
New patient complete exam of visual system | 19 | 19 | $167 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 51. This provider delivers 5.7× the peer median.Open Payments
Industry payments received
All-time total
$253
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 2 | $186.38 | |
| CooperVision Inc. | 2 | $66.46 |
By nature of payment
Frequently asked questions
What is Dr. Karen Chao's medical specialty?
Dr. Karen Chao practices Optometrist in San Gabriel, CA.
Where does Dr. Karen Chao practice?
Dr. Karen Chao practices at 121 S del Mar Ave, San Gabriel, CA 917761345. Office phone: 6262870401.
What is Dr. Karen Chao's NPI?
Dr. Karen Chao's National Provider Identifier (NPI) is 1013953108, issued by NPPES.
Does Dr. Karen Chao accept Medicare assignment?
Yes. Dr. Karen Chao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Chao commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Exam of visual field with intermediate testing (HCPCS 92082); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.