Doctor profile · Federal record
Dr. Primrose Wong, OD
Optometrist (CMS: Optometry) · San Carlos, CA
- NPI 1720176423
- Accepts Medicare
- 34 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
301 Industrial RD
San Carlos, CA 940702603
(650) 596-4220 - Additional location
-
795 El Camino Real
Palo Alto, CA 943012302
(650) 853-2974 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 3, 2020
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- California #OPT10006T
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720176423. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
385
Distinct HCPCS
9
Medicare allowed
$48,738
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 119 | 118 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 55 | 49 | $109 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 53 | 53 | $197 | |
92134 |
Imaging of retina | 43 | 43 | $51 | |
92014 |
Established patient complete exam of visual system | 33 | 33 | $160 | |
92133 |
Imaging of optic nerve | 27 | 27 | $46 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 26 | 26 | $134 | |
92250 |
Photography of the retina | 15 | 14 | $47 | |
92083 |
Exam of visual field with extended testing | 14 | 14 | $81 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 45. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bausch & Lomb Americas Inc. | 1 | $20.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
39
Total drug cost
$1,001
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Erythromycin (Erythromycin Base) | Brand | 29 | 28 | $290 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 13 | 11 | $711 |
Frequently asked questions
What is Dr. Primrose Wong's medical specialty?
Dr. Primrose Wong practices Optometrist in San Carlos, CA.
Where does Dr. Primrose Wong practice?
Dr. Primrose Wong practices at 301 Industrial RD, San Carlos, CA 940702603. Office phone: 6505964220.
What is Dr. Primrose Wong's NPI?
Dr. Primrose Wong's National Provider Identifier (NPI) is 1720176423, issued by NPPES.
Does Dr. Primrose Wong accept Medicare assignment?
Yes. Dr. Primrose Wong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Primrose Wong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.