Dr. Michael Charles O'Connor Jr., MD
- Part D claims, 2020
- 27
- Hospital affiliations
- 4
- Industry payments
- $3,072
- Medical groups
- 3
- State licenses
- 2
- Practice address
- 575 Boylston St, Boston, MA 02116
- Practice phone
- Call (617) 789-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bmc Affiliated Physicians, Inc.
Boston, Massachusetts
Find Dr. O'Connor's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Charles O'Connor Jr. is a cardiothoracic surgeon in Boston, Massachusetts
Dr. O'Connor practices at Bmc Affiliated Physicians, Inc. in Boston, Massachusetts.
Dr. O'Connor's NPI, 1851812218, was assigned on July 6, 2017. Dr. O'Connor holds Massachusetts license 1020222.
- NPI
- 1851812218NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860766714
- NPI enumeration date
- July 6, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 789-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Charles O'Connor Jr. practices at Bmc Affiliated Physicians, Inc. in Boston, Massachusetts
Dr. O'Connor's primary practice is Bmc Affiliated Physicians, Inc., at 575 Boylston St, Boston, MA 02116 in Suffolk County. The practice phone is (617) 789-3000.
- Bmc Affiliated Physicians, Inc.575 Boylston St, Boston, MA 02116 · Suffolk CountyPhone(617) 789-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Charles O'Connor Jr. is affiliated with 8 sites of care and 3 medical groups
Dr. O'Connor's primary practice is Bmc Affiliated Physicians, Inc. in Boston, Massachusetts. Dr. O'Connor is also affiliated with Boston Medical Center. The medical group on file is Steward Medical Group. Dmand AI also links Dr. O'Connor to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Charles O'Connor Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bmc Affiliated Physicians, Inc. | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Charles O'Connor Jr. is one of 166 cardiothoracic surgeons in Massachusetts
Thoracic surgery (cardiothoracic vascular surgery) is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. O'Connor's licenses on file in 2 states: Massachusetts and Illinois.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), MassachusettsPrimary
- Illinois license
Cardiothoracic surgeons near Dr. O'Connor
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Charles O'Connor Jr.'s patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 69, with 48% women.
Dr. O'Connor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Michael Charles O'Connor Jr. wrote 27 Medicare Part D claims in 2020
In 2020, Dr. O'Connor wrote 27 Medicare Part D claims. They cover 2 drugs, with $128 in total drug cost. In 2019, CMS named 18 claims across 1 drug.
Dr. O'Connor's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 182020: 2750%
Drugs named by CMS: 2 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Michael Charles O'Connor Jr. ranks in the 51st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Connor as offering telehealth. CMS counts 21 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. O'Connor, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. O'Connor ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 51st percentile21 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Michael Charles O'Connor Jr. received $3,072 in industry payments from 2021 to 2025
CMS Open Payments shows 12 general payments to Dr. O'Connor from 7 drug and device companies from 2021 to 2025. Education make up the largest share, 49% of the total. Intuitive Surgical, Inc. paid the most, $2,444.
General payments to Dr. O'Connor by program year, 2021 to 2025
General payments to Dr. O'Connor by kind, 2021 to 2025
- Education$1,50049%
- Food and beverage$1,05834%
- Travel and lodging$51517%
Companies that paid Dr. O'Connor the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Charles O'Connor Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Charles O'Connor Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Charles O'Connor Jr.'s NPI number?
Dr. Michael Charles O'Connor Jr.'s NPI number is 1851812218. It was assigned on July 6, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Charles O'Connor Jr.?
Dr. Michael Charles O'Connor Jr. is a cardiothoracic surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Michael Charles O'Connor Jr. practice?
Dr. O'Connor practices at 575 Boylston St, Boston, MA 02116. Dr. O'Connor's primary practice is Bmc Affiliated Physicians, Inc. in Boston, Massachusetts. Dmand AI also links Dr. O'Connor to 3 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Michael Charles O'Connor Jr.'s office phone number?
The practice phone on file for Dr. O'Connor is (617) 789-3000.
What is Dr. Michael Charles O'Connor Jr.'s medical license number?
Dr. O'Connor holds Massachusetts license 1020222, one of the licenses on file in 2 states.
Which states has Dr. Michael Charles O'Connor Jr. been licensed in?
Dmand AI has state licenses on file for Dr. O'Connor in Massachusetts and Illinois.
Which hospitals is Dr. Michael Charles O'Connor Jr. affiliated with?
Dr. O'Connor is affiliated with Boston Medical Center. Dmand AI links Dr. O'Connor to 3 more hospitals.
What medical group is Dr. Michael Charles O'Connor Jr. part of?
Dr. O'Connor is linked to Steward Medical Group. Dmand AI links Dr. O'Connor to 2 more medical groups.
Does Dr. Michael Charles O'Connor Jr. accept Medicare?
Yes. CMS lists Dr. O'Connor as accepting Medicare assignment.
Does Dr. Michael Charles O'Connor Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Connor as offering telehealth services.
Show 3 more questionsShow fewer questions
What drugs does Dr. Michael Charles O'Connor Jr. prescribe most?
In 2020 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Tramadol HCl.
Has Dr. Michael Charles O'Connor Jr. received payments from drug or device companies?
CMS Open Payments shows $3,072 in general payments to Dr. O'Connor from 7 companies from 2021 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Charles O'Connor Jr. been practicing?
Dr. O'Connor graduated from medical school in 2017, 9 years ago.
Selling to thoracic surgery (cardiothoracic vascular surgery) practices?
See cardiothoracic surgeons in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card