Richard J. Mosychuk, D.O.
Family Medicine Physician · Mashpee, MA
Richard J. Mosychuk, D.O. is a family medicine physician with a practice address in Mashpee, Massachusetts, and NPI 1285681973, issued on May 28, 2006. Check the license (Massachusetts 210923, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Richard J. Mosychuk
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 210923 MA
Self-reported in NPPES; status is on the state search - Practice location
- 34 Bates RD, Mashpee, MA 02649
- Phone
- (508) 539-3353
- Enumerated
- May 28, 2006
- Record last updated
- Jun 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040218000357); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 34 Bates RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Heywood, D.O.Obstetrics & Gynecology Physician1336118066
- Elizabeth Speed, MDObstetrics & Gynecology Physician1598928178
Verify Richard J. Mosychuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 210923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average family medicine physician in 2024
1,009 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Atorvastatin Calcium104 claims
- Lisinopril73 claims
- Hydrochlorothiazide56 claims
- Escitalopram Oxalate54 claims
- Losartan Potassium40 claims
- Simvastatin40 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.
Richard J. Mosychuk among 2,265 family medicine physician records in Massachusetts
Richard J. Mosychuk, D.O. 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1993 · median 2006 among the 1,529 with a school on file
- Record last updated2012 · 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 Richard J. Mosychuk, D.O.'s NPI number?
Richard J. Mosychuk, D.O.'s National Provider Identifier (NPI) is 1285681973, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard J. Mosychuk, D.O. located?
The NPPES record lists a practice address at 34 Bates RD, Mashpee, MA, 02649. Phone: (508) 539-3353. Providers update this record themselves, so call before visiting.
How can I verify Richard J. Mosychuk, D.O.'s license?
NPPES lists Massachusetts license number 210923, 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 Richard J. Mosychuk, D.O. prescribe under Medicare Part D?
In 2024, Richard J. Mosychuk, D.O. had 1,009 Medicare Part D claims for 106 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.