Doctor profile · Federal record
Dr. Michael Armstrong, PA-C
Medical Physician Assistant · Fairfax, VA
- NPI 1740236587
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4375 Fair Lakes CT
Fairfax, VA 220334234
(571) 432-2600
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 18, 2025
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Virginia #0110003723
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740236587. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
375
Distinct HCPCS
10
Medicare allowed
$23,827
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 79 | 74 | $84 | |
73562 |
X-ray of knee, 3 views | 34 | 32 | $9 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 34 | 34 | $108 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 34 | 34 | $155 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 33 | 33 | $121 | |
20610 |
Aspiration and/or injection of fluid from large joint | 30 | 27 | $64 | |
73110 |
X-ray of wrist, minimum of 3 views | 25 | 24 | $12 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 22 | 19 | $8 | |
73030 |
X-ray of shoulder, minimum of 2 views | 17 | 15 | $9 | |
73630 |
X-ray of foot, minimum of 3 views | 16 | 15 | $9 |
In context: peer comparison
Among 5 peers in Fairfax Medical Physician Assistant, average services per provider: 214. This provider delivers 1.8× the peer median.Frequently asked questions
What is Dr. Michael Armstrong's medical specialty?
Dr. Michael Armstrong practices Medical Physician Assistant in Fairfax, VA.
Where does Dr. Michael Armstrong practice?
Dr. Michael Armstrong practices at 4375 Fair Lakes CT, Fairfax, VA 220334234. Office phone: 5714322600.
What is Dr. Michael Armstrong's NPI?
Dr. Michael Armstrong's National Provider Identifier (NPI) is 1740236587, issued by NPPES.
What procedures does Dr. Michael Armstrong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of knee, 3 views (HCPCS 73562); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.