Doctor profile · Federal record
Dr. William Deegan, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Ophthalmology Physician · Retina Specialist (Ophthalmology) Physician · Retina Specialist (Ophthalmology) Physician · Retina Specialist (Ophthalmology) Physician · Mc Lean, VA
- NPI 1982678223
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 38 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1420 Beverly RD Ste 110
Mc Lean, VA 221013700
(571) 378-2236
fax (571) 378-2237 - Additional location
-
46161 Westlake Dr Ste 300
Sterling, VA 201655871
(571) 434-2927
fax (571) 434-0838 - Mailing address
-
46161 Westlake Dr Ste 300
Sterling, VA 201655871
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- April 27, 2021
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State licenses (3)
- Virginia #0101052712 · Maryland #D0047789 · District of Columbia #MD21418
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982678223. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,807
Distinct HCPCS
10
Medicare allowed
$229,412
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92134 |
Imaging of retina | 294 | 147 | $47 | |
92250 |
Photography of the retina | 242 | 171 | $41 | |
76512 |
2d ultrasound scan of eye tissue and structures | 205 | 140 | $56 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 174 | 125 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 171 | 137 | $146 | |
92014 |
Established patient complete exam of visual system | 166 | 140 | $147 | |
67028 |
Injection of drug into eye | 124 | 42 | $130 | |
92004 |
New patient complete exam of visual system | 90 | 90 | $170 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 83 | 83 | $189 | |
J9035 |
Injection, bevacizumab, 10 mg | 81 | 38 | $70 |
In context: peer comparison
Among 4 peers in Mc Lean Ophthalmology Physician, average services per provider: 147. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$205
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Optos, INC. | 1 | $104.57 | |
| Astellas Pharma US INC | 1 | $100.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
11
Patients
0
Total drug cost
$672
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 11 | 0 | $672 |
Hospital affiliations
Frequently asked questions
What is Dr. William Deegan's medical specialty?
Dr. William Deegan practices Ophthalmology Physician in Mc Lean, VA.
Where does Dr. William Deegan practice?
Dr. William Deegan practices at 1420 Beverly RD Ste 110, Mc Lean, VA 221013700. Office phone: 5713782236.
What is Dr. William Deegan's NPI?
Dr. William Deegan's National Provider Identifier (NPI) is 1982678223, issued by NPPES.
Does Dr. William Deegan accept Medicare assignment?
Yes. Dr. William Deegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Deegan commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Photography of the retina (HCPCS 92250); 2d ultrasound scan of eye tissue and structures (HCPCS 76512). Source: CMS Medicare Physician & Other Practitioners file.