Doctor profile · Federal record
Dr. John Moynihan, M.D.
Surgery Physician (CMS: General Surgery) · Fairfax, VA
- NPI 1932195914
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3620 Joseph Siewick Dr, Suite 406
Fairfax, VA 220331756
(703) 359-8640
fax (703) 591-6105
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Virginia #0101033952
- Medicaid
- VA #7374101
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932195914. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
45
Distinct HCPCS
3
Medicare allowed
$6,554
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $189 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $103 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 41. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$1,249
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 2 | $839.12 | |
| Stryker Corporation | 5 | $410.36 |
By nature of payment
Frequently asked questions
What is Dr. John Moynihan's medical specialty?
Dr. John Moynihan practices Surgery Physician in Fairfax, VA.
Where does Dr. John Moynihan practice?
Dr. John Moynihan practices at 3620 Joseph Siewick Dr, Fairfax, VA 220331756. Office phone: 7033598640.
What is Dr. John Moynihan's NPI?
Dr. John Moynihan's National Provider Identifier (NPI) is 1932195914, issued by NPPES.
Does Dr. John Moynihan accept Medicare assignment?
Yes. Dr. John Moynihan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Moynihan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.