NPPES file of Aug 9, 2026

Stephen Sewell Dashef, MD

Psychiatry Physician · Northampton, MA

Stephen Sewell Dashef, MD is a psychiatry physician with a practice address in Northampton, Massachusetts, and NPI 1558415026, issued on Jan 22, 2007. Check the license (Massachusetts 39451, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558415026
Name
Stephen Sewell Dashef
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
39451 MA
Self-reported in NPPES; status is on the state search
Practice location
57 Gothic Street, Northampton, MA 01060
Phone
(413) 586-1223
Enumerated
Jan 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(413) 587-0959
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 57 Gothic Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Perlman, MDPsychiatry Physician1871561019

Verify Stephen Sewell Dashef in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 39451
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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Stephen Sewell Dashef among 2,736 psychiatry physician records in Massachusetts

Stephen Sewell Dashef, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% 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 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 37% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 psychiatry physician records list a practice address in Northampton

They are 20 of the 1,816 NPPES records with a practice address in Northampton, and 2,736 psychiatry physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Ira Addes, M. D.Northampton, MA 010601023171709
  2. William Boutelle, M.D.Northampton, MA 010601366433252
  3. Deirdre Curran, M.D.Northampton, MA 010601417972076
  4. Catherine Durie, M.D.Northampton, MA 010601356368716
  5. Peter Halperin, MDNorthampton, MA 010601992736482
  6. Suellen Hamkins, M.D.Northampton, MA 010601376607903
  7. Jay Holtzman, M.D.Northampton, MA 010601891899936
  8. David Kraft, M.D.Northampton, MA 010601104899897

Common questions

What is Stephen Sewell Dashef, MD's NPI number?

Stephen Sewell Dashef, MD's National Provider Identifier (NPI) is 1558415026, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Sewell Dashef, MD located?

The NPPES record lists a practice address at 57 Gothic Street, Northampton, MA, 01060. Phone: (413) 586-1223. Providers update this record themselves, so call before visiting.

How can I verify Stephen Sewell Dashef, MD's license?

NPPES lists Massachusetts license number 39451, 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.