Erin Johnson, PA
Physician Assistant · Fairfax, VA
Erin Johnson, PA is a physician assistant with a practice address in Fairfax, Virginia, and NPI 1720859630, issued on Jan 10, 2024. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Johnson
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 3620 Joseph Siewick Dr Ste 100, Fairfax, VA 22033
- Phone
- (703) 277-2663
- Enumerated
- Jan 10, 2024
- Record last updated
- Jan 10, 2024
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
Also registered at 3620 Joseph Siewick Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Avirajsinh Chudasama, DPTPhysical Therapist1790356004
- Julie Crocker, PAPhysician Assistant1346235843
- Michael Fox, MDSports Medicine (Orthopaedic Surgery) Physician1063972446
- April Hala, PA-CPhysician Assistant1255970414
- Rachel Hamilton, FNP-BCFamily Nurse Practitioner1386284933
- Elena WornomNurse Practitioner1932734274
Verify Erin Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
235 Medicare Part D claims for 96 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 75 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen37 claims
- Celecoxib31 claims
- Ondansetron Odt20 claims
- Ondansetron Hcl18 claims
- Cephalexin17 claims
- Meloxicam16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Erin Johnson among 4,408 physician assistant records in Virginia
Erin Johnson, PA is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 82% of them.
- NPI issued2024 · 82% of these records are older, 12% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2024 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
151 physician assistant records list a practice address in Fairfax
They are 151 of the 6,584 NPPES records with a practice address in Fairfax, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Fairfax → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kara Cochran, PAFairfax, VA 220331265609788
- Julie Crocker, PAFairfax, VA 220331346235843
- Andrew Elkins, PA-CFairfax, VA 220331962749374
- Jamilyn Fano, PA-CFairfax, VA 220331699921460
- Ryan Fitzmorris, PA-CFairfax, VA 220331982621157
- Kevin Fuller, PA-CFairfax, VA 220331417119652
- Francis Gyamfi, PACFairfax, VA 220331710028956
- Kristen Malone, PAFairfax, VA 220331114116589
Common questions
What is Erin Johnson, PA's NPI number?
Erin Johnson, PA's National Provider Identifier (NPI) is 1720859630, issued on Jan 10, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Erin Johnson, PA located?
The NPPES record lists a practice address at 3620 Joseph Siewick Dr Ste 100, Fairfax, VA, 22033. Phone: (703) 277-2663. Providers update this record themselves, so call before visiting.
How can I verify Erin Johnson, PA's license?
Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Johnson, PA prescribe under Medicare Part D?
In 2024, Erin Johnson, PA had 235 Medicare Part D claims for 96 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.