NPPES file of Aug 9, 2026

Daniel J. Friedenson, M.D

Psychiatry Physician · Amherst, MA

Daniel J. Friedenson, M.D is a psychiatry physician with a practice address in Amherst, Massachusetts, and NPI 1730189465, issued on Jul 22, 2005. Check the license (Massachusetts 40947, 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
1730189465
Name
Daniel J. Friedenson
Credential
M.D
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
40947 MA
Self-reported in NPPES; status is on the state search
Practice location
31 Hall Dr, Amherst, MA 01002
Phone
(413) 256-8561
Enumerated
Jul 22, 2005
Record last updated
Jun 9, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(413) 256-4412
Medicaid ID
2053535 MA
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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8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →

Also registered at 31 Hall Dr

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

  1. Carol Anderson, N.P.Family Nurse Practitioner1740255140
  2. Alan Berkenwald, MDInternal Medicine Physician1033188636
  3. Alyse Bynum, P.T.Occupational Therapist1386628899
  4. Yihong Cai, ODOptometrist1609108109
  5. Alla Chapman, MDFamily Medicine Physician1558335174
  6. Stuart Chipkin, M.D.Endocrinology, Diabetes & Metabolism Physician1699775585

Verify Daniel J. Friedenson 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 40947    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Daniel J. Friedenson among 2,736 psychiatry physician records in Massachusetts

Daniel J. Friedenson, M.D 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2008 · 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).

18 psychiatry physician records list a practice address in Amherst

They are 18 of the 769 NPPES records with a practice address in Amherst, and 2,736 psychiatry physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,736 in Massachusetts → Every provider in Amherst → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Marielle Abell, PAAmherst, MA 010021275644072
  2. Barry Farber, MDAmherst, MA 010021053499327
  3. Paul Fleischman, M.D.Amherst, MA 010021538284484
  4. Ali Moshiri, MDAmherst, MA 010021679525786
  5. Aisik Newman, MDAmherst, MA 010021679644751
  6. Killian O'Connell, M.D.Amherst, MA 010021265402515
  7. Michael Robbins, M.D.Amherst, MA 010021720172810
  8. Nora Schwartz-Martin, M.D.Amherst, MA 010021093821092

Common questions

What is Daniel J. Friedenson, M.D's NPI number?

Daniel J. Friedenson, M.D's National Provider Identifier (NPI) is 1730189465, issued on Jul 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Daniel J. Friedenson, M.D located?

The NPPES record lists a practice address at 31 Hall Dr, Amherst, MA, 01002. Phone: (413) 256-8561. Providers update this record themselves, so call before visiting.

How can I verify Daniel J. Friedenson, M.D's license?

NPPES lists Massachusetts license number 40947, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.