Christopher James O'Connor, MD
Family Medicine Physician · Marquette, MI
Christopher James O'Connor, MD is a family medicine physician with a practice address in Marquette, Michigan, and NPI 1922480573, issued on Jun 19, 2015. Check the license (Michigan 4301108252, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Christopher James O'Connor
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301108252 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1414 W Fair Ave Ste 390, Marquette, MI 49855
- Phone
- (906) 225-3870
- Enumerated
- Jun 19, 2015
- Record last updated
- Feb 26, 2024
- Fax
- (906) 225-4861
- Medicare enrollment
- Enrolled (PECOS I20150729008939); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 1414 W Fair Ave Ste 390
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorrie Houle, DOObstetrics & Gynecology Physician1972532851
Verify Christopher James O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301108252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average family medicine physician in 2024
2,690 Medicare Part D claims for 282 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 95 claims were for opioids.
Most prescribed
- Atorvastatin Calcium145 claims
- Omeprazole99 claims
- Levothyroxine Sodium88 claims
- Losartan Potassium79 claims
- Lisinopril78 claims
- Gabapentin77 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.
Bills Medicare through one group practice
- Bellin Memorial Hospital IncMarquette, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher James O'Connor among 6,013 family medicine physician records in Michigan
Christopher James O'Connor, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 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 2015, is newer than 68% of them.
- NPI issued2015 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2008 among the 3,493 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 family medicine physician records list a practice address in Marquette
They are 80 of the 1,391 NPPES records with a practice address in Marquette, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Marquette → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Suzanne Clarke, MDMarquette, MI 498551932190832
- Matthew Doughty, MDMarquette, MI 498551316946411
- Fred Groos, MDMarquette, MI 498551467456400
- Daniel Hardie, M.D.Marquette, MI 498551669476925
- Leanne Hatfield, M.D.Marquette, MI 498551952305336
- Frederick Hoenke, MDMarquette, MI 498551710978853
- Stuart Johnson, DOMarquette, MI 498551861483901
- Lisa Long, MDMarquette, MI 498551326039462
Common questions
What is Christopher James O'Connor, MD's NPI number?
Christopher James O'Connor, MD's National Provider Identifier (NPI) is 1922480573, issued on Jun 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christopher James O'Connor, MD located?
The NPPES record lists a practice address at 1414 W Fair Ave Ste 390, Marquette, MI, 49855. Phone: (906) 225-3870. Providers update this record themselves, so call before visiting.
How can I verify Christopher James O'Connor, MD's license?
NPPES lists Michigan license number 4301108252, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher James O'Connor, MD prescribe under Medicare Part D?
In 2024, Christopher James O'Connor, MD had 2,690 Medicare Part D claims for 282 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.