Calvin H. Peterson, PAC
Physician Assistant · Southbridge, MA
Calvin H. Peterson, PAC is a physician assistant with a practice address in Southbridge, Massachusetts, and NPI 1508845421, issued on Jan 10, 2006. Check the license (Massachusetts PA1146, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Calvin H. Peterson
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA1146 MA
C500000139 DE
Self-reported in NPPES; status is on the state search - Practice location
- 100 South St, Southbridge, MA 01550
- Phone
- (508) 765-9771
- Enumerated
- Jan 10, 2006
- Record last updated
- Dec 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (508) 764-2448
- Medicaid ID
- 000867643 DE
- Entity
- Type 1 · individual
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 Calvin H. Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA1146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
45 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone12 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.
12 physician assistant records list a practice address in Southbridge
They are 12 of the 546 NPPES records with a practice address in Southbridge, and 4,713 physician assistant records in Massachusetts.
All 12 in Southbridge → All 4,713 in Massachusetts → Every provider in Southbridge →
Other physician assistant records in Massachusetts
- Erin Abdallah, PA-CSwansea, MA1396417242
- Alexa Aboshar, PA-CTewksbury, MA1245623578
- Bhraana Abraham, PABoston, MA1649963661
- Keidelyn Abreu, PALawrence, MA1497488795
- Tatiana Achildiev, PAWorcester, MA1740532761
- Sophie Achilles, PA-CBoston, MA1992485965
- Andrea Acosta, PA-CWest Roxbury, MA1336060953
- Colin ActonBoston, MA1346066701
- Emily Adams, PA-CBurlington, MA1457685752
- Karley Adams, PABoston, MA1578261764
Common questions
What is Calvin H. Peterson, PAC's NPI number?
Calvin H. Peterson, PAC's National Provider Identifier (NPI) is 1508845421, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Calvin H. Peterson, PAC located?
The NPPES record lists a practice address at 100 South St, Southbridge, MA, 01550. Phone: (508) 765-9771. Providers update this record themselves, so call before visiting.
How can I verify Calvin H. Peterson, PAC's license?
NPPES lists Massachusetts license number PA1146, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Calvin H. Peterson, PAC prescribe under Medicare Part D?
In 2024, Calvin H. Peterson, PAC had 45 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. 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.