Stephen A. Eipper, MD
Emergency Medicine Physician · Northampton, MA
Stephen A. Eipper, MD is an emergency medicine physician with a practice address in Northampton, Massachusetts, and NPI 1770652661, issued on Nov 7, 2006. Check the license (Massachusetts 41998, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stephen A. Eipper
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 41998 MA
Self-reported in NPPES; status is on the state search - Practice location
- 325B King St, Northampton, MA 01060
- Phone
- (413) 387-4101
- Enumerated
- Nov 7, 2006
- Record last updated
- Nov 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 387-4119
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 325B King St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Armstrong, M.D.Internal Medicine Physician1881626786
- Maureen Callahan, NPFamily Nurse Practitioner1497633036
- Vilma Carlone, MDEndocrinology, Diabetes & Metabolism Physician1962459339
- Ann Cooper, D.O.Emergency Medicine Physician1265451694
- Kyle Cooper, MDCardiovascular Disease Physician1053313197
- Janet Curley, LICSWClinical Social Worker1376964775
Verify Stephen A. Eipper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 41998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stephen A. Eipper among 1,829 emergency medicine physician records in Massachusetts
Stephen A. Eipper, MD 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 not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
- Tae Kim, DONorthampton, MA 010601538322417
- Tor Krogius, M.D.Northampton, MA 010601992786842
Common questions
What is Stephen A. Eipper, MD's NPI number?
Stephen A. Eipper, MD's National Provider Identifier (NPI) is 1770652661, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen A. Eipper, MD located?
The NPPES record lists a practice address at 325B King St, Northampton, MA, 01060. Phone: (413) 387-4101. Providers update this record themselves, so call before visiting.
How can I verify Stephen A. Eipper, MD's license?
NPPES lists Massachusetts license number 41998, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.