DR. MARY B. O'MALLEY (M.D., PHD.) – Psychiatry Physician, NPI 1649498742

DR. MARY B. O'MALLEY (M.D., PHD.) is a healthcare provider. based in Great barrington, Massachusetts. specializing in PSYCHIATRY. They hold the professional credentials M.D., PHD.. They hold a License No. 242178 (MA). The NPI Number for DR. MARY B. O'MALLEY (M.D., PHD.) is 1649498742

Main info

Female
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARY B. O'MALLEY (M.D., PHD.)
NPI
1649498742
Phone
(203) 556-4846
Address
434B Stockbridge Rd Lowr Level
Enumeration Date
23 April 2007
Last Update Date
28 July 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8333518255
Graduation Year
1993 (33 years ago)
PAC ID
2961698238
Group Practice PAC ID
4880064070
Professional Enrollment ID
I20101129000615
Address ID
MA021103144BO265XXSTXX301
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,743 PSYCHIATRY in MA

Provider Addresses for DR. MARY B. O'MALLEY (M.D., PHD.)

  • 434B Stockbridge Rd Lowr Level

    Great Barrington, MA 012301295

    Phone: (203) 556-4846

    Type: Location

  • 364 SILVER STREET

    SHEFFIELD, MA 012579628

    Phone:

    Type: Mailing

  • 725 NORTH STREET

    BERKSHIRE MEDICAL CENTER DEPT. OF PSYCHIATRY

    PITTSFIELD, MA 012014109

    Phone: (413) 447-2641

    Type: Location

  • 434B STOCKBRIDGE RD LOWR LEVEL

    GREAT BARRINGTON, MA 012301295

    Phone: (203) 556-4846

    Type: Mailing

  • SMMC, DEPT OF PSYCHIATRY

    25 JUNE ST

    SANFORD, ME 04073

    Phone: (207) 324-4310

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $293.

Total Amount is formed as General ($293) + Research ($0) + Ownership ($0) = $293.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Indivior Inc. ($81).

Total Amount

$293

General + Research + Ownership

Payments

11

Total payment records

General Amount

$293

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

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: 2022-03-23

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 4 Medicare enrollment records; no due dates published yet.

Enrollment records

4

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
I20101129000615IPsychiatryMATBD
I20200415002216IPsychiatryCTTBD
I20210828000365IPsychiatryMETBD
I20220323000985IPsychiatryNJTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes168112$0
99442Telephone medical discussion with physician, 11-20 minutes4922$0
99214Established patient office or other outpatient visit, 30-39 minutes2319$0
90792Psychiatric diagnostic evaluation with medical services1717$0
99212Established patient office or other outpatient visit, 10-19 minutes1312$0
View full utilization report →

Insurance plans in this area (ZIP 01230)

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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: 4880064070View full group profile
NameSpecialtyState
P S Y C H I A T R YFL
P S Y C H I A T R YMI
P S Y C H I A T R YNY
Clinical Social WorkerFL
P S Y C H I A T R YFL
P S Y C H I A T R YIN
P S Y C H I A T R YCO
P S Y C H I A T R YNY
Clinical Social WorkerMA
P S Y C H I A T R YNY

Reviews

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Frequently asked questions

What unique ID ties claims to DR. MARY B. O'MALLEY (M.D., PHD.)?
NPI 1649498742 is assigned to DR. MARY B. O'MALLEY (M.D., PHD.) under the national enumeration system.
Is DR. MARY B. O'MALLEY (M.D., PHD.) currently active in the NPI registry?
CMS-published data lists DR. MARY B. O'MALLEY (M.D., PHD.) as an active registrant.
What field does DR. MARY B. O'MALLEY (M.D., PHD.) work in?
You can think of DR. MARY B. O'MALLEY (M.D., PHD.) as practicing within Psychiatry Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for DR. MARY B. O'MALLEY (M.D., PHD.)?
The page summarizes Great Barrington, Massachusetts for DR. MARY B. O'MALLEY (M.D., PHD.); expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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