Stephanie Sayles Prior, M.D.
Family Medicine Physician · Mashpee, MA
Stephanie Sayles Prior, M.D. is a family medicine physician with a practice address in Mashpee, Massachusetts, and NPI 1336120567, issued on Nov 5, 2005. Check the license (Massachusetts 73853, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephanie Sayles Prior
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 73853 MA
Self-reported in NPPES; status is on the state search - Practice location
- 107 Commercial St, Mashpee, MA 02649
- Phone
- (508) 477-7090
- Enumerated
- Nov 5, 2005
- Record last updated
- Jun 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (508) 477-7028
- Medicaid IDs
- 3184030 MA
318403 MA - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 107 Commercial St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Natasha Barbosa-FortesDentist1518491919
- Lauren Black, DMDGeneral Practice Dentistry1255079067
- Tiffany Borsari, PA-CPhysician Assistant1558624130
Verify Stephanie Sayles Prior in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 73853Check 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 family medicine physician in 2024
1,149 Medicare Part D claims for 306 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium193 claims
- Levothyroxine Sodium66 claims
- Lisinopril65 claims
- Losartan Potassium57 claims
- Amlodipine Besylate46 claims
- Hydrochlorothiazide40 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.
Stephanie Sayles Prior among 2,265 family medicine physician records in Massachusetts
Stephanie Sayles Prior, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Mashpee
They are 13 of the 356 NPPES records with a practice address in Mashpee, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Mashpee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jennifer Aucoin, M.D.Mashpee, MA 026491629187893
- Ronald Backer, M.D.Mashpee, MA 026491083735146
- Haldor Barnes, M.D.Mashpee, MA 026491861428849
- Sandra BenderMashpee, MA 026491831169234
- Kristy Brown, D.O.Mashpee, MA 026491417939661
- Sarah Clifford, PHYSICIAN ASSISTANTMashpee, MA 026491881469039
- Julia Craig-Muller, MDMashpee, MA 026491235110396
- Kate Drumond, D.O.Mashpee, MA 026491649533795
Common questions
What is Stephanie Sayles Prior, M.D.'s NPI number?
Stephanie Sayles Prior, M.D.'s National Provider Identifier (NPI) is 1336120567, issued on Nov 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Sayles Prior, M.D. located?
The NPPES record lists a practice address at 107 Commercial St, Mashpee, MA, 02649. Phone: (508) 477-7090. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Sayles Prior, M.D.'s license?
NPPES lists Massachusetts license number 73853, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephanie Sayles Prior, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Sayles Prior, M.D. had 1,149 Medicare Part D claims for 306 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.