Doctor profile · Federal record

Dr. Catherine Wang, O.D.

Optometrist (CMS: Optometry) · Walnut Creek, CA

  • NPI 1528266582
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1855 San Miguel Dr, Suite 28
Walnut Creek, CA 945965279
(925) 935-8820
Mailing address
Po Box 2114
Saratoga, CA 950700114

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
November 3, 2008
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #13289

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528266582. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,191
Distinct HCPCS
10
Medicare allowed
$134,203
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 228 211 $156
99213 Established patient office or other outpatient visit, 20-29 minutes 215 172 $111
92133 Imaging of optic nerve 195 192 $46
92014 Established patient complete exam of visual system 177 177 $162
92083 Exam of visual field with extended testing 158 136 $83
99203 New patient office or other outpatient visit, 30-44 minutes 44 44 $137
92134 Imaging of retina 38 38 $52
92250 Photography of the retina 33 33 $47
92060 Exam to measure eye deviation and range of motion 31 31 $81
92004 New patient complete exam of visual system 30 30 $186

In context: peer comparison

Among 4 peers in this city , average services per provider: 63. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$672
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, Inc. 1 $148.12
Alcon Vision LLC 1 $134.86
Bausch & Lomb Americas Inc. 1 $134.37
CooperVision Inc. 1 $129.15
Oyster Point Pharma, Inc. 1 $125.12

By nature of payment

Food and Beverage
$672

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
493
Patients
104
Total drug cost
$108,001
Drug Type Claims Patients Total cost
Latanoprost Generic 215 57 $5,704
Restasis (Cyclosporine) Brand 46 20 $61,185
Timolol Maleate Generic 46 14 $531
Brimonidine Tartrate Generic 28 0 $902
Travoprost Generic 27 0 $9,081
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 24 0 $1,137
Lumigan (Bimatoprost) Brand 23 0 $10,124
Dorzolamide Hcl Generic 17 0 $563
Xiidra (Lifitegrast) Brand 17 0 $11,853
Erythromycin (Erythromycin Base) Brand 14 13 $161

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Wang's medical specialty?
Dr. Catherine Wang practices Optometrist in Walnut Creek, CA.
Where does Dr. Catherine Wang practice?
Dr. Catherine Wang practices at 1855 San Miguel Dr, Walnut Creek, CA 945965279. Office phone: 9259358820.
What is Dr. Catherine Wang's NPI?
Dr. Catherine Wang's National Provider Identifier (NPI) is 1528266582, issued by NPPES.
Does Dr. Catherine Wang accept Medicare assignment?
Yes. Dr. Catherine Wang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Wang 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); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.