Thomas David O'Halloran, MB BCH BAO
Cardiovascular Disease Physician · Boston, MA
Thomas David O'Halloran, MB BCH BAO is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1922101294, issued on Sep 5, 2006. Check the license (Massachusetts 219608, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas David O'Halloran
- Credential
- MB BCH BAO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 219608 MA
Self-reported in NPPES; status is on the state search - Practice location
- Beth Israel Deaconess Medical Center, 1 Deaconess Road, Boston, MA 02215
- Phone
- (617) 632-7828
- Enumerated
- Sep 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120110000570); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Verify Thomas David O'Halloran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 219608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,853 Medicare Part D claims for 472 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Eliquis431 claims
- Metoprolol Succinate413 claims
- Atorvastatin Calcium282 claims
- Furosemide148 claims
- Lisinopril119 claims
- Losartan Potassium114 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $53.39
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
- Macro, Inc.Cambridge, MA
- Mount Auburn Cardiology Associates IncCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas David O'Halloran among 1,080 cardiovascular disease physician records in Massachusetts
Thomas David O'Halloran, MB BCH BAO is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1997 · median 2001 among the 698 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Boston → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- James Ducksoon Chang, M.D.Boston, MA 022151184661878
- Patricia Come, M.D.Boston, MA 022151528005741
- Zareen Farukhi, M.D.Boston, MA 022151568431187
- Eli Gelfand, M.D.Boston, MA 022151659339588
- Thomas Hauser, M.D.Boston, MA 022151285671800
- Robert Healy, M.D.Boston, MA 022151295772887
- Joseph Kannam, M.D.Boston, MA 022151992742779
- Marshall Katz, M.D.Boston, MA 022151124024013
Common questions
What is Thomas David O'Halloran, MB BCH BAO's NPI number?
Thomas David O'Halloran, MB BCH BAO's National Provider Identifier (NPI) is 1922101294, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas David O'Halloran, MB BCH BAO located?
The NPPES record lists a practice address at Beth Israel Deaconess Medical Center, 1 Deaconess Road, Boston, MA, 02215. Phone: (617) 632-7828. Providers update this record themselves, so call before visiting.
How can I verify Thomas David O'Halloran, MB BCH BAO's license?
NPPES lists Massachusetts license number 219608, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas David O'Halloran, MB BCH BAO prescribe under Medicare Part D?
In 2024, Thomas David O'Halloran, MB BCH BAO had 2,853 Medicare Part D claims for 472 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.