DR. MICHAEL DEAN ARMSTRONG (M.D.) – Psychiatry Physician, NPI 1487978508

DR. MICHAEL DEAN ARMSTRONG (M.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in PSYCHIATRY. They hold the professional credentials M.D.. They hold a License No. 274700 (MA). The NPI Number for DR. MICHAEL DEAN ARMSTRONG (M.D.) is 1487978508

Main info

Male
39 Years Of Experience
Accepts Medicare Assignment
Name
DR. MICHAEL DEAN ARMSTRONG (M.D.)
NPI
1487978508
Phone
(508) 334-2670
Address
26 Queen St
Enumeration Date
18 March 2010
Last Update Date
21 November 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5087532060
Graduation Year
1987 (39 years ago)
PAC ID
8921297359
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20190424000885
Address ID
MA016102473WO26XXXSTXX300

Contacts

Secure Messaging
marmstrong238520@UmassMemorial.direct-ci.com
FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness85
Years active:16State licenses:2Other namesUpdated within 12 months

1,743 PSYCHIATRY in MA

Provider Addresses for DR. MICHAEL DEAN ARMSTRONG (M.D.)

  • 26 Queen St

    Worcester, MA 016102473

    Phone: (508) 334-2670

    Type: Location

  • The Jerome Golden Center for Behavioral Health, 1041, 45th Street, West Palm Beach, Palm Beach County, Florida, 33407, United States

    WEST PALM BEACH, FL 334072402

    Phone: (561) 383-8000

    Fax: (561) 514-1275

    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: 2019-04-24

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
I20190424000885IPsychiatryMATBD

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

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 01610)

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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: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

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Frequently asked questions

What unique ID ties claims to DR. MICHAEL DEAN ARMSTRONG (M.D.)?
NPI 1487978508 is assigned to DR. MICHAEL DEAN ARMSTRONG (M.D.) under the national enumeration system.
Is DR. MICHAEL DEAN ARMSTRONG (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is DR. MICHAEL DEAN ARMSTRONG (M.D.)?
The page reflects Psychiatry Physician for DR. MICHAEL DEAN ARMSTRONG (M.D.). Clinical services aligned with this taxonomy classification.
What location shows for DR. MICHAEL DEAN ARMSTRONG (M.D.)?
We surface Worcester, Massachusetts for DR. MICHAEL DEAN ARMSTRONG (M.D.) based on available NPPES addresses.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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