Francis Xavier Oconnor, MD
Surgery Physician · Nantucket, MA
Francis Xavier Oconnor, MD is a surgery physician with a practice address in Nantucket, Massachusetts, and NPI 1306819867, issued on Feb 7, 2006. Check the license (Massachusetts 70941, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Francis Xavier Oconnor
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 70941 MA
Self-reported in NPPES; status is on the state search - Practice location
- 57 Prospect St, Nantucket, MA 02554
- Phone
- (508) 825-8100
- Enumerated
- Feb 7, 2006
- Record last updated
- Sep 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20171214002577); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 57 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Candy Bernier, FNP-BCFamily Nurse Practitioner1376020099
- George Butterworth, MDFamily Medicine Physician1710993589
- Eileen Carlsen, NPFamily Nurse Practitioner1467514661
- Allison Dao, NURSE PRACTITIONERFamily Nurse Practitioner1689885485
Verify Francis Xavier 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 70941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average surgery physician in 2024
19 Medicare Part D claims for 15 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
2 hospitals and group practices
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospitals3 of 5 stars
- Nantucket Physicians OrganizationNantucket, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Francis Xavier Oconnor among 1,003 surgery physician records in Massachusetts
Francis Xavier Oconnor, MD is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 58% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1987 · median 2003 among the 503 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Massachusetts
There are 1,003 surgery physician records in Massachusetts.
All 1,003 in Massachusetts → Every provider in Nantucket → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Christopher Burns, M.D.Nantucket, MA 025541952379141
- Denise Fraser, MDOak Bluffs, MA 025571306844212
- Richard Hudson Koehler, M.D.Oak Bluffs, MA 025571831146414
- Pieter Pil, MDOak Bluffs, MA 025571396743209
- Garry Brake, MDFalmouth, MA 025401366516619
- Terence Christle, M.D.Falmouth, MA 025401598182370
- Alan Cordts, M.D.Falmouth, MA 025401477634681
- Bertrand Duncan, M.D.Falmouth, MA 025401033162201
Common questions
What is Francis Xavier Oconnor, MD's NPI number?
Francis Xavier Oconnor, MD's National Provider Identifier (NPI) is 1306819867, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Francis Xavier Oconnor, MD located?
The NPPES record lists a practice address at 57 Prospect St, Nantucket, MA, 02554. Phone: (508) 825-8100. Providers update this record themselves, so call before visiting.
How can I verify Francis Xavier Oconnor, MD's license?
NPPES lists Massachusetts license number 70941, 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 Francis Xavier Oconnor, MD prescribe under Medicare Part D?
In 2024, Francis Xavier Oconnor, MD had 19 Medicare Part D claims for 15 beneficiaries; the average among surgery physician prescribers was 147. 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.