THOMAS DAVID O'HALLORAN (MB BCH BAO) – Cardiovascular Disease Physician, NPI 1922101294

THOMAS DAVID O'HALLORAN (MB BCH BAO) is a healthcare provider. based in Boston, Massachusetts. specializing in CARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE. They hold the professional credentials MB BCH BAO. They hold a License No. 219608 (MA). The NPI Number for THOMAS DAVID O'HALLORAN (MB BCH BAO) is 1922101294

Main info

Male
Sole Proprietor
29 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS DAVID O'HALLORAN (MB BCH BAO)
NPI
1922101294
Phone
(617) 632-7828
Address
BETH ISRAEL DEACONESS MEDICAL CENTER, 1 DEACONESS ROAD
Enumeration Date
5 September 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6174995024
Graduation Year
1997 (29 years ago)
PAC ID
0547361206
Group Practice PAC ID
9537183108
Professional Enrollment ID
I20120110000570
Address ID
MA021385502CA330XXSTXX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,398 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MA

Provider Addresses for THOMAS DAVID O'HALLORAN (MB BCH BAO)

  • BETH ISRAEL DEACONESS MEDICAL CENTER, 1 DEACONESS ROAD

    DIVISION OF CARDIOLOGY

    BOSTON, MA 02215

    Phone: (617) 632-7828

    Type: Location

  • 33, Parker Street, Old Cambridge, Cambridge, Middlesex County, Massachusetts, 02140, United States

    APT. 2

    CAMBRIDGE, MA 021382230

    Phone: (617) 661-9010

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $162.

Total Amount is formed as General ($162) + Research ($0) + Ownership ($0) = $162.

Last reported payment date: 2024-05-01 • Largest payer in this snapshot: PFIZER INC. ($58).

Total Amount

$162

General + Research + Ownership

Payments

7

Total payment records

General Amount

$162

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-01

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: 2012-01-10

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
I20120110000570ICardiovascular Disease (Cardiology)MATBD

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
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only1,158914$0
93306Ultrasound of heart with color-depicted blood flow, rate, direction and valve function844829$0
99215Established patient office or other outpatient visit, 40-54 minutes828581$0
93000Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report612480$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes15993$0
View full utilization report →

Insurance plans in this area (ZIP 02215)

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Provider's Procedures

THOMAS DAVID O'HALLORAN (MB BCH BAO) performs procedures in CARDIOVASCULAR DISEASE (CARDIOLOGY). See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIOVASCULAR DISEASE (CARDIOLOGY)MA93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report264237

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: 9537183108View full group profile
NameSpecialtyState
Family Practice, Cardiovascular Disease (Cardiology), Internal MedicineMA
-MA
-MA
Cardiovascular Disease (Cardiology), Internal MedicineMA
Cardiovascular Disease (Cardiology)NY
Cardiovascular Disease (Cardiology)MA
Interventional CardiologyMA
-MA

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Frequently asked questions

How do I look up THOMAS DAVID O'HALLORAN (MB BCH BAO) by NPI?
Use NPI 1922101294 when you need to reference THOMAS DAVID O'HALLORAN (MB BCH BAO) in forms, claims, or directories.
Does this profile mean THOMAS DAVID O'HALLORAN (MB BCH BAO) is currently active?
Yes — THOMAS DAVID O'HALLORAN (MB BCH BAO) appears active in the national provider directory.
Can you summarize THOMAS DAVID O'HALLORAN (MB BCH BAO)'s specialty in plain language?
Clinically, the directory lists THOMAS DAVID O'HALLORAN (MB BCH BAO) with Cardiovascular Disease Physician. Clinical services aligned with this taxonomy classification.
Does THOMAS DAVID O'HALLORAN (MB BCH BAO) practice in Massachusetts?
You will see Boston, Massachusetts on file for THOMAS DAVID O'HALLORAN (MB BCH BAO) 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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