Da Yon Park, PA-C
Physician Assistant · Fairfax, VA
Da Yon Park, PA-C is a physician assistant with a practice address in Fairfax, Virginia, and NPI 1053883579, issued on Dec 21, 2018. Check the license (Virginia 0110006433, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Da Yon Park
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0110006433 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 Joseph Siewick Dr Ste 201, Fairfax, VA 22033
- Phone
- (703) 391-0111
- Enumerated
- Dec 21, 2018
- Record last updated
- Dec 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190201000510); accepts Medicare assignment
- 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 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Ortega, PAMedical Physician Assistant1396270310
- Jeffrey Tsai, PTPhysical Therapist1720569486
Verify Da Yon Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110006433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
180 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 85 claims were for opioids.
Most prescribed
- Cephalexin67 claims
- Hydrocodone-Acetaminophen51 claims
- Oxycodone-Acetaminophen18 claims
- Methylprednisolone16 claims
- Acetaminophen-Codeine15 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.
Bills Medicare through one group practice
- Fair Oaks Ortho, PLLCReston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Da Yon Park among 4,408 physician assistant records in Virginia
Da Yon Park, PA-C 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 2018, is newer than 49% of them.
- NPI issued2018 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2018 among the 2,885 with a school on file
- Record last updated2018 · 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 Da Yon Park, PA-C's NPI number?
Da Yon Park, PA-C's National Provider Identifier (NPI) is 1053883579, issued on Dec 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Da Yon Park, PA-C located?
The NPPES record lists a practice address at 3620 Joseph Siewick Dr Ste 201, Fairfax, VA, 22033. Phone: (703) 391-0111. Providers update this record themselves, so call before visiting.
How can I verify Da Yon Park, PA-C's license?
NPPES lists Virginia license number 0110006433, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Da Yon Park, PA-C prescribe under Medicare Part D?
In 2024, Da Yon Park, PA-C had 180 Medicare Part D claims for 95 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.