Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Walter J. Mullin, PHD

Individual provider Clinical Social Worker · NPI 1851449094

Dr. Walter J. Mullin, PHD is a Clinical Social Worker in Amherst, Massachusetts. Qualified in 1978, 48 years ago. Practices with Amherst Psychotherapy Practice PC, a 24-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
48
Licensed in
MA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

48 N Pleasant St Ste 207
Amherst, MA 01002-1741
Phone: (413) 461-4042
Fax: (413) 726-6001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 104064 (MA)

Record details

NPI number1851449094
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 6, 2007
Last updated in NPPESOctober 15, 2020
Certification dateOctober 15, 2020
Mailing address48 N Pleasant St Ste 207, Amherst, MA 01002-1741

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1978 (48 years in practice)
Group practice Amherst Psychotherapy Practice Pc — 24 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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