William Stephen Sheppard, PA-C
Physician Assistant · Dover Foxcroft, ME
William Stephen Sheppard, PA-C is a physician assistant with a practice address in Dover Foxcroft, Maine, and NPI 1043244452, issued on Jul 10, 2006. Check the license (Maine PA405, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Stephen Sheppard
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA405 ME
Self-reported in NPPES; status is on the state search - Practice location
- 897 W Main St, Dover Foxcroft, ME 04426
- Phone
- (207) 564-8401
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090306000110); accepts Medicare assignment
- Medical or professional school
- Drake University College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 979 in Maine → Look up another NPI →
Also registered at 897 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Douglass, PHARMDAmbulatory Care Pharmacist1285342618
- Karen Dow, CRNACertified Registered Nurse Anesthetist1356378798
- Melanie Dumont, PA-CPhysician Assistant1871528521
- Ethan Evankow, PAMedical Physician Assistant1528580966
Verify William Stephen Sheppard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PA405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average physician assistant in 2024
431 Medicare Part D claims for 273 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Tizanidine Hcl55 claims
- Cephalexin49 claims
- Prednisone48 claims
- Doxycycline Monohydrate28 claims
- Naproxen24 claims
- Azithromycin23 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): 100 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).
Bills Medicare through one group practice
- Katahdin Valley Health CenterDover Foxcroft, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Stephen Sheppard among 979 physician assistant records in Maine
William Stephen Sheppard, PA-C is one of 979 physician assistant records with a practice address in Maine. 79% 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, 73% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1992 · median 2017 among the 648 with a school on file
- Record last updated2007 · 47% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 physician assistant records list a practice address in Dover Foxcroft
They are 5 of the 188 NPPES records with a practice address in Dover Foxcroft, and 979 physician assistant records in Maine.
All 979 in Maine → Every provider in Dover Foxcroft → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alyssa Deem, PA-CDover Foxcroft, ME 044261609578079
- Melanie Dumont, PA-CDover Foxcroft, ME 044261871528521
- David Flaherty, DMSC, PA-CDover Foxcroft, ME 044261083634448
- Margaret Swan, PA-CDover Foxcroft, ME 044261093741217
- Anette Poulin, PACCorinth, ME 044271508947698
- Amanda Young, PA-CCorinth, ME 044271578791760
- Toni Hays, PA-CCastine, ME 044211053614537
- Jillian Lapointe, PABrownville, ME 044141043709223
Common questions
What is William Stephen Sheppard, PA-C's NPI number?
William Stephen Sheppard, PA-C's National Provider Identifier (NPI) is 1043244452, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Stephen Sheppard, PA-C located?
The NPPES record lists a practice address at 897 W Main St, Dover Foxcroft, ME, 04426. Phone: (207) 564-8401. Providers update this record themselves, so call before visiting.
How can I verify William Stephen Sheppard, PA-C's license?
NPPES lists Maine license number PA405, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does William Stephen Sheppard, PA-C prescribe under Medicare Part D?
In 2024, William Stephen Sheppard, PA-C had 431 Medicare Part D claims for 273 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is William Stephen Sheppard, PA-C's MIPS final score?
The 2023 MIPS final score is 100 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.