Doctor profile · Federal record
Dr. Katherine Duncan, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Ophthalmology Physician · Towson, MD
- NPI 1407113566
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
8625 Pleasant Plains RD
Towson, MD 212862321
(410) 828-5558 - Additional location
-
203 Lothrop St, 7Th Floor, Eeins
Pittsburgh, PA 152132548
(412) 647-2214
fax (412) 647-0977 - Additional location
-
6569 N Charles St Ste 505
Baltimore, MD 212045809
(443) 849-3167
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (2)
- Maryland #D83693 · Pennsylvania #MD456923
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407113566. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,726
Distinct HCPCS
10
Medicare allowed
$263,760
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 604 | 583 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 249 | 191 | $95 | |
92133 |
Imaging of optic nerve | 166 | 163 | $39 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 156 | 149 | $135 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 109 | 71 | $569 | |
92004 |
New patient complete exam of visual system | 105 | 105 | $157 | |
92083 |
Exam of visual field with extended testing | 102 | 96 | $67 | |
76519 |
Ultrasound scan to determine eye length and lens power | 63 | 62 | $72 | |
92134 |
Imaging of retina | 56 | 55 | $43 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $172 |
In context: peer comparison
Among 4 peers in Towson Ophthalmology Physician, average services per provider: 126. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$380
Transactions
17
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 9 | $189.70 | |
| Alcon Vision LLC | 2 | $48.58 | |
| Tarsus Pharmaceuticals, INC. | 1 | $37.53 | |
| Dompe US, INC. | 1 | $31.52 | |
| Sun Pharmaceutical Industries INC. | 2 | $31.48 | |
| Bausch & Lomb Americas INC. | 1 | $24.17 | |
| Astellas Pharma US INC | 1 | $16.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
660
Patients
271
Total drug cost
$42,716
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 246 | 68 | $4,695 |
| Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) | Brand | 65 | 58 | $872 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 48 | 12 | $1,321 |
| Timolol Maleate | Generic | 48 | 16 | $1,158 |
| Erythromycin (Erythromycin Base) | Brand | 45 | 37 | $469 |
| Prednisolone Acetate | Generic | 43 | 33 | $1,631 |
| Ofloxacin | Generic | 26 | 24 | $460 |
| Dorzolamide Hcl | Generic | 24 | 0 | $671 |
| Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) | Brand | 21 | 12 | $1,166 |
| Travoprost | Generic | 20 | 0 | $4,319 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Duncan's medical specialty?
Dr. Katherine Duncan practices Ophthalmology Physician in Towson, MD.
Where does Dr. Katherine Duncan practice?
Dr. Katherine Duncan practices at 8625 Pleasant Plains RD, Towson, MD 212862321. Office phone: 4108285558.
What is Dr. Katherine Duncan's NPI?
Dr. Katherine Duncan's National Provider Identifier (NPI) is 1407113566, issued by NPPES.
Does Dr. Katherine Duncan accept Medicare assignment?
Yes. Dr. Katherine Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Duncan commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.