Katherine Sloane Peterson
Emergency Medicine Physician · Northampton, MA
Katherine Sloane Peterson is an emergency medicine physician with a practice address in Northampton, Massachusetts, and NPI 1669730099, issued on Apr 23, 2012. Check the license (Massachusetts 266108, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Sloane Peterson
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 266108 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Locust St, Northampton, MA 01060
- Phone
- (413) 582-2363
- Enumerated
- Apr 23, 2012
- Record last updated
- Nov 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 582-2914
- Medicare enrollment
- Enrolled (PECOS I20160907002726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 30 Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Abbott, D.O.Anesthesiology Physician1316155294
- Olyn Andrade, MDEmergency Medicine Physician1265008544
- Nasreen Azam, M.D.Pediatric Nephrology Physician1649362476
- Mae Beckford-Bruno, RNStudent in an Organized Health Care Education/Training Program1043134661
- Linda Benoit, LICSWClinical Social Worker1588729610
- Charles Bernstein, MDDiagnostic Radiology Physician1699734442
Verify Katherine Sloane Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 266108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average emergency medicine physician in 2024
39 Medicare Part D claims for 30 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Western Mass Physician Associates IncHolyoke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Sloane Peterson among 1,829 emergency medicine physician records in Massachusetts
Katherine Sloane Peterson is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2011 among the 1,200 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 emergency medicine physician records list a practice address in Northampton
They are 23 of the 1,816 NPPES records with a practice address in Northampton, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Northampton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jacob Chapman, M.D.Northampton, MA 010601790821338
- Donald Chiulli, M.D.Northampton, MA 010601932179660
- Raymond Conway, M.D.Northampton, MA 010601235100579
- Ann Cooper, D.O.Northampton, MA 010601265451694
- Adrian Daul, M.D.Northampton, MA 010601942339882
- Mary Jane Dinneen, MDNorthampton, MA 010601104925866
- Stephen Eipper, MDNorthampton, MA 010601770652661
- Tae Kim, DONorthampton, MA 010601538322417
Common questions
What is Katherine Sloane Peterson's NPI number?
Katherine Sloane Peterson's National Provider Identifier (NPI) is 1669730099, issued on Apr 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Sloane Peterson located?
The NPPES record lists a practice address at 30 Locust St, Northampton, MA, 01060. Phone: (413) 582-2363. Providers update this record themselves, so call before visiting.
How can I verify Katherine Sloane Peterson's license?
NPPES lists Massachusetts license number 266108, 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 Katherine Sloane Peterson prescribe under Medicare Part D?
In 2024, Katherine Sloane Peterson had 39 Medicare Part D claims for 30 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.