DR. ERINA M HAMMER (PHD, LICSW, MSW) – Psychologist, NPI 1215241971

DR. ERINA M HAMMER (PHD, LICSW, MSW) is a healthcare provider. based in Maynard, Massachusetts. specializing in Psychologist. They hold the professional credentials PHD, LICSW, MSW. They hold a License No. BBH-LCSW-LIC-50590 (MT). The NPI Number for DR. ERINA M HAMMER (PHD, LICSW, MSW) is 1215241971

Main info

Female
12 Years Of Experience
Accepts Medicare Assignment
Name
DR. ERINA M HAMMER (PHD, LICSW, MSW)
NPI
1215241971
Phone
(866) 991-2103
Address
141 PARKER ST STE 306
Enumeration Date
4 August 2010
Last Update Date
10 April 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5098387400
Graduation Year
2014 (12 years ago)
PAC ID
1951739200
Group Practice PAC ID
1658306360
Professional Enrollment ID
I20200319001580
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience77
Completeness75
Years active:15State licenses:3Digital endpointsOther names

Provider Addresses for DR. ERINA M HAMMER (PHD, LICSW, MSW)

  • 141 PARKER ST STE 306

    MAYNARD, MA 017542180

    Phone: (866) 991-2103

    Type: Mailing

  • 12 SKYLINE DRIVE RD

    FARMINGTON, WA 991289744

    Phone: (208) 755-0316

    Type: Mailing

  • 546 N JEFFERSON LN STE 302

    SPOKANE, WA 992017104

    Phone: (509) 838-7400

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2020-03-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20200319001580IClinical Social WorkerWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01754)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1658306360View full group profile
NameSpecialtyState
Clinical PsychologistWA
Mental Health CounselorWA
Clinical PsychologistWA

Reviews

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Frequently asked questions

Can I use this page to confirm DR. ERINA M HAMMER (PHD, LICSW, MSW)'s NPI?
Yes. DR. ERINA M HAMMER (PHD, LICSW, MSW) is listed with NPI 1215241971 in the public NPI dataset.
Can I rely on DR. ERINA M HAMMER (PHD, LICSW, MSW) being an active provider?
As of the registry snapshot, DR. ERINA M HAMMER (PHD, LICSW, MSW) is marked active.
What healthcare role does DR. ERINA M HAMMER (PHD, LICSW, MSW) hold?
Scheduling teams often label DR. ERINA M HAMMER (PHD, LICSW, MSW) under Psychologist. Clinical services aligned with this taxonomy classification.
Where is DR. ERINA M HAMMER (PHD, LICSW, MSW) based?
DR. ERINA M HAMMER (PHD, LICSW, MSW) is tied to Maynard, Massachusetts in the data we show; additional addresses may exist on the full record.
Why does DR. ERINA M HAMMER (PHD, LICSW, MSW) have multiple addresses?
6 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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