Brian William Oconnor, MD
Addiction Medicine (Preventive Medicine) Physician · Woburn, MA
Brian William Oconnor, MD is an addiction medicine (preventive medicine) physician with a practice address in Woburn, Massachusetts, and NPI 1912991522, issued on Sep 9, 2005. Check the license (Massachusetts 72453, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Brian William Oconnor
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Preventive Medicine) Physician 2083A0300X
- License numbers
- 72453 MA
20743 NH
Self-reported in NPPES; status is on the state search - Practice location
- 20 Tower Office Park, Woburn, MA 01801
- Phone
- (781) 305-3300
- Enumerated
- Sep 9, 2005
- Record last updated
- Jul 29, 2025
- Fax
- (781) 305-3227
- Medicaid ID
- 3079767 MA
- Medicare enrollment
- Enrolled (PECOS I20050413000803); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction medicine (preventive medicine) physician records → All 18 in Massachusetts → Look up another NPI →
Also registered at 20 Tower Office Park
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erik AbelAddiction (Substance Use Disorder) Counselor1295163822
- Janice Biggs, LMHCMental Health Counselor1770625865
- Ali BilalAddiction (Substance Use Disorder) Counselor1548581788
- Jamie BlumAddiction (Substance Use Disorder) Counselor1225359565
- Michael Boyages, BS, MACase Manager/Care Coordinator1154182301
- Michelle Carney, LADC IIAddiction (Substance Use Disorder) Counselor1891549424
Verify Brian William Oconnor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% more Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024
810 Medicare Part D claims for 84 beneficiaries, against an average of 420 among the 224 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Buprenorphine-Naloxone308 claims
- Buprenorphine Hcl52 claims
- Lorazepam45 claims
- Alprazolam39 claims
- Dextroamphetamine-Amphetamine39 claims
- Gabapentin36 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: $147.19
6 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 112 providers of this specialty with any payment received $596.46 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 one group practice
- Middlesex Recovery PCWoburn, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian William Oconnor among 18 addiction medicine (preventive medicine) physician records in Massachusetts
Brian William Oconnor, MD is one of 18 addiction medicine (preventive medicine) physician records with a practice address in Massachusetts. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1984 · median 1993 among the 15 with a school on file
- Record last updated2025 · 11% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Preventive Medicine) Physician providers in Massachusetts
There are 18 addiction medicine (preventive medicine) physician records in Massachusetts.
All 18 in Massachusetts → Every provider in Woburn → Addiction Medicine (Preventive Medicine) Physician nationwide →
The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes
- Flora Sadri-Azarbayejani, DOLowell, MA 018521023088820
- Michael Medlock, MDSalem, MA 019701902887185
- Dorota Poluha, MDWebster, MA 015701679550743
- Karl Liebermann, D.O.Northborough, MA 015321346353687
- Seema Arora, M.D.Walpole, MA 020811598712523
- Ghulam Khan, MDBoston, MA 021181043673726
- Miriam Komaromy, MDBoston, MA 021181174620272
- Alyssa Peterkin, MDBoston, MA 021181225488133
Common questions
What is Brian William Oconnor, MD's NPI number?
Brian William Oconnor, MD's National Provider Identifier (NPI) is 1912991522, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Brian William Oconnor, MD located?
The NPPES record lists a practice address at 20 Tower Office Park, Woburn, MA, 01801. Phone: (781) 305-3300. Providers update this record themselves, so call before visiting.
How can I verify Brian William Oconnor, MD's license?
NPPES lists Massachusetts license number 72453, 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 Brian William Oconnor, MD prescribe under Medicare Part D?
In 2024, Brian William Oconnor, MD had 810 Medicare Part D claims for 84 beneficiaries; the average among addiction medicine (preventive medicine) physician prescribers was 420. 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.