Emma Maria Tierney
Physician Assistant · Reston, VA
Emma Maria Tierney is a physician assistant with a practice address in Reston, Virginia, and NPI 1437929858, issued on Jan 5, 2024. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Emma Maria Tierney
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1850 Town Center Pkwy, Reston, VA 20190
- Phone
- (703) 810-5202
- Enumerated
- Jan 5, 2024
- Record last updated
- Apr 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20240731001123); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
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Verify Emma Maria Tierney 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
68% fewer Medicare Part D claims than the average physician assistant in 2024
268 Medicare Part D claims for 88 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 108 claims were for opioids.
Most prescribed
- Tramadol Hcl61 claims
- Oxycodone Hcl42 claims
- Ondansetron Hcl40 claims
- Cefadroxil33 claims
- Meloxicam25 claims
- Celecoxib23 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.
Industry payments in 2024: $32.01
1 payment: food and beverage; the largest payer was Bioventus LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orthovirginia IncReston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emma Maria Tierney among 4,408 physician assistant records in Virginia
Emma Maria Tierney 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 fileYes · 66% of these records are
- Graduated2024 · median 2018 among the 2,885 with a school on file
- 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).
84 physician assistant records list a practice address in Reston
They are 84 of the 1,676 NPPES records with a practice address in Reston, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Reston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Thao Allen, PA-CReston, VA 201901063734713
- Michael Barber, PAReston, VA 201901841228152
- Christina Barnett, PA-CReston, VA 201901184881583
- Sarah Donovan, PA-CReston, VA 201901730168899
- Laura Goyer, PA-CReston, VA 201901679875538
- Jeffrey Hamilton, PAReston, VA 201901467685909
- Sarah Hilton, PA-CReston, VA 201901982723516
- Susan Holberger, PAReston, VA 201901255372074
Common questions
What is Emma Maria Tierney's NPI number?
Emma Maria Tierney's National Provider Identifier (NPI) is 1437929858, issued on Jan 5, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Emma Maria Tierney located?
The NPPES record lists a practice address at 1850 Town Center Pkwy, Reston, VA, 20190. Phone: (703) 810-5202. Providers update this record themselves, so call before visiting.
How can I verify Emma Maria Tierney's license?
Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Emma Maria Tierney prescribe under Medicare Part D?
In 2024, Emma Maria Tierney had 268 Medicare Part D claims for 88 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.