TIMOTHY KEVIN O'MALLEY (MD) – Anesthesiology Physician, NPI 1023696366

TIMOTHY KEVIN O'MALLEY (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. 1023090 (MA). The NPI Number for TIMOTHY KEVIN O'MALLEY (MD) is 1023696366

Main info

Male
5 Years Of Experience
Accepts Medicare Assignment
Name
TIMOTHY KEVIN O'MALLEY (MD)
NPI
1023696366
Phone
(617) 732-5500
Address
75 FRANCIS ST
Enumeration Date
30 March 2021
Last Update Date
2 May 2025

Doctor Profile

Medical School Name
UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Secondary Phone
5087711800
Graduation Year
2021 (5 years ago)
PAC ID
1557779113
Group Practice PAC ID
0749260933
Professional Enrollment ID
I20250522003197
Address ID
MA026015230HY27XXXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience39
Completeness75
Years active:5State licenses:1Digital endpointsOther names

2,323 ANESTHESIOLOGY in MA

Provider Addresses for TIMOTHY KEVIN O'MALLEY (MD)

  • 75 FRANCIS ST

    BOSTON, MA 021156106

    Phone: (617) 732-5500

    Mailing address matches the actual address.

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: 2025-05-22

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
I20250522003197IAnesthesiologyMATBD

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 02115)

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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: 0749260933View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YMA
Certified Registered Nurse Anesthetist (Crna)MA
A N E S T H E S I O L O G YMA
A N E S T H E S I O L O G YMA
A N E S T H E S I O L O G YMA
A N E S T H E S I O L O G YMA
Certified Registered Nurse Anesthetist (Crna)FL
-MA
-MA
A N E S T H E S I O L O G YTX

Reviews

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Frequently asked questions

How do I look up TIMOTHY KEVIN O'MALLEY (MD) by NPI?
Use NPI 1023696366 when you need to reference TIMOTHY KEVIN O'MALLEY (MD) in forms, claims, or directories.
Is TIMOTHY KEVIN O'MALLEY (MD) currently active in the NPI registry?
CMS-published data lists TIMOTHY KEVIN O'MALLEY (MD) as an active registrant.
What field does TIMOTHY KEVIN O'MALLEY (MD) work in?
You can think of TIMOTHY KEVIN O'MALLEY (MD) as practicing within Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Does TIMOTHY KEVIN O'MALLEY (MD) practice in Massachusetts?
You will see Boston, Massachusetts on file for TIMOTHY KEVIN O'MALLEY (MD) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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