Mark J. Simonelli, M.D.
Obstetrics & Gynecology Physician · Southbridge, MA
Mark J. Simonelli, M.D. is an obstetrics & gynecology physician with a practice address in Southbridge, Massachusetts, and NPI 1598759334, issued on Sep 8, 2005. Check the license (Massachusetts 75660, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark J. Simonelli
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 75660 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 South St, Southbridge, MA 01550
- Phone
- (508) 765-5981
- Enumerated
- Sep 8, 2005
- Record last updated
- Dec 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (508) 764-4637
- Medicaid ID
- 3098001 MA
- Medicare enrollment
- Enrolled (PECOS I20040712000825); may accept Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 100 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dianne Aguirre, PAPhysician Assistant1659874121
- Joseph Amegah, M SMental Health Counselor1972625358
- Cheryl Amodeo, RNCase Management Registered Nurse1821134172
- Alan Anderson, C.R.N.A.Certified Registered Nurse Anesthetist1891713160
- Mary Banda, MDInternal Medicine Physician1265481311
- Janet Baum, M.D.Diagnostic Radiology Physician1053392944
Verify Mark J. Simonelli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 75660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
182 Medicare Part D claims for 94 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Misoprostol24 claims
- Metronidazole21 claims
- Valacyclovir16 claims
- Sulfamethoxazole-Trimethoprim13 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 MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Mark J. Simonelli among 1,127 obstetrics & gynecology physician records in Massachusetts
Mark J. Simonelli, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% 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, 84% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2004 among the 715 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Southbridge → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Christine Carey, M.D.Southbridge, MA 015501740277813
- Naiem Hanna, MDSouthbridge, MA 015501629231659
- Corey Koenig, DOSouthbridge, MA 015501922011642
- Kirti Patel, MDSouthbridge, MA 015501104874312
- Cindy Shiro, D.O.Southbridge, MA 015501104810977
- Christopher Deangelo, MDShrewsbury, MA 015451194303693
- Paul Dunn, M.D.Shrewsbury, MA 015451013908391
- Brittney Gaudet, MDShrewsbury, MA 015451245817444
Common questions
What is Mark J. Simonelli, M.D.'s NPI number?
Mark J. Simonelli, M.D.'s National Provider Identifier (NPI) is 1598759334, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Simonelli, M.D. located?
The NPPES record lists a practice address at 100 South St, Southbridge, MA, 01550. Phone: (508) 765-5981. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Simonelli, M.D.'s license?
NPPES lists Massachusetts license number 75660, 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 Mark J. Simonelli, M.D. prescribe under Medicare Part D?
In 2024, Mark J. Simonelli, M.D. had 182 Medicare Part D claims for 94 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Mark J. Simonelli, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. 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.