Stacey M. Riley, PA-C
Physician Assistant · Somersworth, NH
Stacey M. Riley, PA-C is a physician assistant with a practice address in Somersworth, New Hampshire, and NPI 1790754364, issued on Mar 16, 2006. Check the license (New Hampshire 0721, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacey M. Riley
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0721 NH
Self-reported in NPPES; status is on the state search - Practice location
- 7 Marsh Brook Dr Ste 205, Somersworth, NH 03878
- Phone
- (603) 742-2007
- Enumerated
- Mar 16, 2006
- Record last updated
- Feb 26, 2025
- Medicaid ID
- 3079348 NH
- Medicare enrollment
- Enrolled (PECOS I20090526000105); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2026
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 947 in New Hampshire → Look up another NPI →
Also registered at 7 Marsh Brook Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Collins, PA-CPhysician Assistant1841676202
- Aaron Copeland, PA-CPhysician Assistant1932231289
- Elizabeth Kegode, APRNFamily Nurse Practitioner1861357311
- Joseph Konopka, MDOrthopaedic Surgery Physician1851612196
- Mark Mooradian, PA-CPhysician Assistant1417349382
- Heath Pelletier, PA-CPhysician Assistant1548747017
Verify Stacey M. Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 0721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average physician assistant in 2024
355 Medicare Part D claims for 116 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 139 claims were for opioids.
Most prescribed
- Tramadol Hcl77 claims
- Ondansetron Odt50 claims
- Oxycodone Hcl45 claims
- Dexamethasone29 claims
- Gabapentin24 claims
- Cephalexin20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 63.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $54.39
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Wentworth Douglass Physician CorporationLee, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacey M. Riley among 947 physician assistant records in New Hampshire
Stacey M. Riley, PA-C is one of 947 physician assistant records with a practice address in New Hampshire. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2026 · median 2017 among the 730 with a school on file
- Record last updated2025 · 37% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 physician assistant records list a practice address in Somersworth
They are 19 of the 333 NPPES records with a practice address in Somersworth, and 947 physician assistant records in New Hampshire.
All 947 in New Hampshire → Every provider in Somersworth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelly Collins, PA-CSomersworth, NH 038781841676202
- Aaron Copeland, PA-CSomersworth, NH 038781932231289
- Jason Doran, PA-CSomersworth, NH 038781730140104
- Donna Flynn, PA-CSomersworth, NH 038781639290240
- Christopher Jones, PA-CSomersworth, NH 038781598180358
- Kathleen Keys, PA-CSomersworth, NH 038781457784704
- Mark Mooradian, PA-CSomersworth, NH 038781417349382
- Heath Pelletier, PA-CSomersworth, NH 038781548747017
Common questions
What is Stacey M. Riley, PA-C's NPI number?
Stacey M. Riley, PA-C's National Provider Identifier (NPI) is 1790754364, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stacey M. Riley, PA-C located?
The NPPES record lists a practice address at 7 Marsh Brook Dr Ste 205, Somersworth, NH, 03878. Phone: (603) 742-2007. Providers update this record themselves, so call before visiting.
How can I verify Stacey M. Riley, PA-C's license?
NPPES lists New Hampshire license number 0721, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Stacey M. Riley, PA-C prescribe under Medicare Part D?
In 2024, Stacey M. Riley, PA-C had 355 Medicare Part D claims for 116 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Stacey M. Riley, PA-C's MIPS final score?
The 2023 MIPS final score is 63.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.