Doctor profile · Federal record
Dr. Katherine Chen, MS
Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Irvine, CA
- NPI 1699237420
- Accepts Medicare
- 7 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
850 Health Sciences RD
Irvine, CA 926977242
(949) 824-7105 - Mailing address
-
850 Health Sciences RD Fl 3
Irvine, CA 926173058
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- May 8, 2023
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (2)
- California #A184907 · Illinois #125.076053
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699237420. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26
Distinct HCPCS
2
Medicare allowed
$3,544
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
65756 |
Transplantation of outer layer of corneal tissue | 13 | 13 | $203 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $69 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 118. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$1,512
Transactions
12
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| NEW WORLD MEDICAL,INC. | 1 | $1,200.00 | |
| RxSight Inc | 1 | $76.78 | |
| Glaukos Corporation | 2 | $57.97 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 2 | $53.96 | |
| Oyster Point Pharma, Inc. | 2 | $32.32 | |
| ABBVIE INC. | 1 | $25.21 | |
| Johnson & Johnson Surgical Vision, Inc. | 1 | $23.21 | |
| Sight Sciences, Inc. | 1 | $22.96 | |
| Thea Pharma Inc. | 1 | $19.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
627
Patients
325
Total drug cost
$77,230
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 141 | 41 | $2,035 |
| Prednisolone Acetate | Generic | 114 | 90 | $6,199 |
| Moxifloxacin (Moxifloxacin Hcl) | Brand | 107 | 68 | $3,037 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 66 | 25 | $1,812 |
| Brimonidine Tartrate | Generic | 44 | 16 | $1,188 |
| Restasis (Cyclosporine) | Brand | 31 | 15 | $31,646 |
| Erythromycin (Erythromycin Base) | Brand | 27 | 18 | $359 |
| Ketorolac Tromethamine | Generic | 26 | 25 | $861 |
| Timolol Maleate | Generic | 18 | 16 | $205 |
| Miebo (Perfluorohexyloctane/Pf) | Brand | 17 | 0 | $16,616 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Chen's medical specialty?
Dr. Katherine Chen practices Ophthalmology Physician in Irvine, CA.
Where does Dr. Katherine Chen practice?
Dr. Katherine Chen practices at 850 Health Sciences RD, Irvine, CA 926977242. Office phone: 9498247105.
What is Dr. Katherine Chen's NPI?
Dr. Katherine Chen's National Provider Identifier (NPI) is 1699237420, issued by NPPES.
Does Dr. Katherine Chen accept Medicare assignment?
Yes. Dr. Katherine Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Chen commonly perform?
Top Medicare-reported procedures in 2023: Transplantation of outer layer of corneal tissue (HCPCS 65756); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.