Dr. Christopher James O'Connor, MD
- Medicare services, 2024
- 1,037
- Medicare patients, 2024
- 277
- Part D claims, 2024
- 2,690
- Hospital affiliations
- 5
- Industry payments
- $13
- Practice address
- 744 S Webster Ave, Green Bay, WI 54301
- Practice phone
- Call (920) 433-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Christopher James O'Connor is a family medicine physician in Green Bay, Wisconsin
Dr. O'Connor practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health.
Dr. O'Connor's NPI, 1922480573, was assigned on June 19, 2015. Dr. O'Connor holds Michigan license 4301108252.
- NPI
- 1922480573NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951615350
- NPI enumeration date
- June 19, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 433-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher James O'Connor practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin
Dr. O'Connor's primary practice is Emplify Health Green Bay Hospital, at 744 S Webster Ave, Green Bay, WI 54301 in Brown County. The practice phone is (920) 433-3500.
- Emplify Health Green Bay Hospital744 S Webster Ave, Green Bay, WI 54301 · Brown CountyPhone(920) 433-3500
Source: Dmand AI Affiliation Data
Dr. Christopher James O'Connor is affiliated with 9 sites of care and 3 medical groups
Dr. O'Connor's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. Dr. O'Connor is also affiliated with UP Health System - Marquette. The medical group on file is Bellin Health Heart & Vascular Crystal Falls. Dmand AI also links Dr. O'Connor to 3 more hospitals, 2 medical groups, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher James O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emplify Health Green Bay Hospital | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher James O'Connor is one of 3,101 family medicine physicians in Wisconsin
Family medicine is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. O'Connor is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. O'Connor
Counts of family medicine physicians 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. Christopher James O'Connor billed Medicare for 1,037 services in 2024
CMS data shows 1,037 Medicare services from Dr. O'Connor across 13 procedure codes in 2024, for 277 Medicare patients. Medicare paid $45,782 for them. Every service was in an office.
Dr. O'Connor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 02024: 383
- Office and hospital visits
- 2023: 422024: 357750%
- Other services
- 2023: 02024: 167
- Lab and pathology
- 2023: 02024: 66
- Tests and treatments
- 2023: 02024: 64
Dr. O'Connor compared with the Wisconsin median for family medicine physicians, 2024
- Dr. O'Connor
- Wisconsin median
- Medicare services
- 1,037vs 2843.7 times
- Medicare patients
- 277vs 14196% above
- Part D claims
- 2,077vs 1,10688% above
Medians across 3,266 family medicine physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. O'Connor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connor and other family medicine physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher James O'Connor treated 277 Medicare patients in 2024, average age 73
CMS counts 277 Medicare patients who saw Dr. O'Connor in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 64, with 54% women.
Dr. O'Connor's Medicare patients by age, 2024
Dr. O'Connor's Medicare patients by sex, 2024
- Women13950%
- Men13850%
Chronic conditions among Dr. O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease36%
- Atrial fibrillation34%
- Heart failure30%
- Anxiety24%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
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 64
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher James O'Connor wrote 2,690 Medicare Part D claims in 2024
In 2024, Dr. O'Connor wrote 2,690 Medicare Part D claims for 282 patients. 89% of them were for generic drugs. CMS names the drug for 2,077 of them, across 74 drugs with 11 or more claims each, at $204,296 in total drug cost. In 2023, CMS named 414 claims across 13 drugs.
Dr. O'Connor's Part D claims by kind of drug, 2024
- Generic2,401 claims89%
- Brand-name265 claims10%
- Other24 claims1%
Dr. O'Connor's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. O'Connor's Part D claims, 2024
- Opioids4%95 of 2,690 claims
- Antibiotics3%86 of 2,690 claims
- Antipsychotics, patients 65 and over0%13 of 2,690 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4142024: 2,077402%
Drugs named by CMS: 74 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Christopher James O'Connor ranks in the 63rd percentile for removal of skin lesions in Medicare
Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of removal of skin lesions by Dr. O'Connor, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. O'Connor ranks in Medicare procedure volume
- Removal of skin lesions
- 63rd percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher James O'Connor received $13 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. O'Connor from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $13.
Companies that paid Dr. O'Connor the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christopher James O'Connor'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. Christopher James O'Connor
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. Christopher James O'Connor's NPI number?
Dr. Christopher James O'Connor's NPI number is 1922480573. It was assigned on June 19, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher James O'Connor?
Dr. Christopher James O'Connor is a family medicine physician in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Christopher James O'Connor practice?
Dr. O'Connor practices at 744 S Webster Ave, Green Bay, WI 54301. Dr. O'Connor's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. Dmand AI also links Dr. O'Connor to 3 hospitals, 2 medical groups, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 imaging center.
What is Dr. Christopher James O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (920) 433-3500.
What is Dr. Christopher James O'Connor's medical license number?
Dr. O'Connor holds Michigan license 4301108252.
Which hospitals is Dr. Christopher James O'Connor affiliated with?
Dr. O'Connor practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin. Dr. O'Connor is also affiliated with UP Health System - Marquette. Dmand AI links Dr. O'Connor to 3 more hospitals.
What medical group is Dr. Christopher James O'Connor part of?
Dr. O'Connor is linked to Bellin Health Heart & Vascular Crystal Falls. Dmand AI links Dr. O'Connor to 2 more medical groups.
Does Dr. Christopher James O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 1,037 services in 2024, and Dr. O'Connor accepts Medicare assignment.
How many Medicare patients does Dr. Christopher James O'Connor see?
CMS counts 277 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 73.
What services does Dr. Christopher James O'Connor bill to Medicare?
In 2024, Dr. O'Connor's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and medicare service (G2211).
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What drugs does Dr. Christopher James O'Connor prescribe most?
In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Levothyroxine Sodium.
Has Dr. Christopher James O'Connor received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. O'Connor from 1 company from 2017 to 2017. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Christopher James O'Connor been practicing?
Dr. O'Connor graduated from medical school in 2013, 13 years ago.
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