Dr. Kelly A. O'Connor, MD
- Medicare services, 2023
- 17
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 86
- Hospital affiliations
- 1
- Industry payments
- $110
- Practice address
- 5301 E Huron River Dr, Ann Arbor, MI 48105
- Practice phone
- Call (734) 712-3456
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Trinity Health Ann Arbor
Ann Arbor, Michigan
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. Kelly A. O'Connor is an OB-GYN in Ann Arbor, Michigan
Dr. O'Connor practices at Trinity Health Ann Arbor in Ann Arbor, Michigan.
Dr. O'Connor's NPI, 1659384451, was assigned on August 14, 2006. Dr. O'Connor graduated from University of Michigan Medical School in 1994. Dr. O'Connor holds Michigan license 4301063657.
- NPI
- 1659384451NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789655077
- NPI enumeration date
- August 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (734) 712-3456
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kelly A. O'Connor practices at Trinity Health Ann Arbor in Ann Arbor, Michigan
Dr. O'Connor's primary practice is Trinity Health Ann Arbor, at 5301 E Huron River Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 712-3456.
- Trinity Health Ann Arbor5301 E Huron River Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-3456
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kelly A. O'Connor is affiliated with 3 sites of care and 1 medical group
Dr. O'Connor's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dr. O'Connor is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. O'Connor to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kelly A. O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connor practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Ann Arbor | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kelly A. O'Connor is one of 1,457 OB-GYNs in Michigan
Obstetrics and gynecology is Dr. O'Connor's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. O'Connor is licensed in Michigan.
Specialties and state licenses
- Obstetrics and gynecology, MichiganPrimary
OB-GYNs near Dr. O'Connor
Counts of OB-GYNs 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. Kelly A. O'Connor billed Medicare for 17 services in 2023
CMS data shows 17 Medicare services from Dr. O'Connor across 1 procedure code in 2023, all of them office visits, for 17 Medicare patients. Medicare paid $1,078 for them. Every service was in an office.
Dr. O'Connor's Medicare services by type, 2021 to 2023
- 2021
- 2023
- Office and hospital visits
- 2021: 212023: 1719%
- Other services
- 2021: 112023: 0100%
Dr. O'Connor compared with the Michigan median for OB-GYNs, 2023
- Dr. O'Connor
- Michigan median
- Medicare services
- 17vs 3754% below
- Medicare patients
- 17vs 3348% below
- Part D claims
- 31vs 3818% below
Medians across 1,227 OB-GYNs in Michigan with Dmand AI profiles that report each measure.
Dr. O'Connor's most billed Medicare procedure codes, 2023
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 OB-GYNs in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kelly A. O'Connor treated 17 Medicare patients in 2024, average age 73
CMS counts 17 Medicare patients who saw Dr. O'Connor in 2024. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Connor's median patient age at 36, with 99% 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 36
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kelly A. O'Connor wrote 86 Medicare Part D claims in 2024
In 2024, Dr. O'Connor wrote 86 Medicare Part D claims for 27 patients. 83% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $3,695 in total drug cost. In 2023, CMS named 28 claims across 2 drugs.
Dr. O'Connor's Part D claims by kind of drug, 2024
- Generic71 claims83%
- Brand-name15 claims17%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 282024: 3111%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Kelly A. O'Connor takes part in Medicare
Dr. O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kelly A. O'Connor received $110 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. O'Connor from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Avanir Pharmaceuticals, Inc. paid the most, $100.
General payments to Dr. O'Connor by program year, 2017 to 2018
Companies that paid Dr. O'Connor the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kelly A. O'Connor graduated from University of Michigan Medical School
Dr. O'Connor graduated from University of Michigan Medical School in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kelly A. 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 | 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Kelly A. 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. Kelly A. O'Connor's NPI number?
Dr. Kelly A. O'Connor's NPI number is 1659384451. It was assigned on August 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kelly A. O'Connor?
Dr. Kelly A. O'Connor is an OB-GYN in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Kelly A. O'Connor practice?
Dr. O'Connor practices at 5301 E Huron River Dr, Ann Arbor, MI 48105. Dr. O'Connor's primary practice is Trinity Health Ann Arbor in Ann Arbor, Michigan. Dmand AI also links Dr. O'Connor to 1 group practice or clinic.
What is Dr. Kelly A. O'Connor's office phone number?
The practice phone on file for Dr. O'Connor is (734) 712-3456.
What is Dr. Kelly A. O'Connor's medical license number?
Dr. O'Connor holds Michigan license 4301063657.
Which hospitals is Dr. Kelly A. O'Connor affiliated with?
Dr. O'Connor is affiliated with Trinity Health Ann Arbor Hospital.
What medical group is Dr. Kelly A. O'Connor part of?
Dr. O'Connor is linked to Trinity Health IHA Medical Group.
Does Dr. Kelly A. O'Connor accept Medicare?
Yes. CMS data shows Dr. O'Connor billed Medicare for 17 services in 2023, and Dr. O'Connor accepts Medicare assignment.
How many Medicare patients does Dr. Kelly A. O'Connor see?
CMS counts 17 Medicare patients who saw Dr. O'Connor in 2024, with an average age of 73.
What services does Dr. Kelly A. O'Connor bill to Medicare?
In 2023, Dr. O'Connor's most billed Medicare services were office visit, established patient (99213).
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Where did Dr. Kelly A. O'Connor go to medical school?
Dr. O'Connor graduated from University of Michigan Medical School in 1994.
What drugs does Dr. Kelly A. O'Connor prescribe most?
In 2024 Medicare Part D data, Dr. O'Connor's most prescribed drugs by claims were Estradiol and Prempro.
Has Dr. Kelly A. O'Connor received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. O'Connor from 2 companies from 2017 to 2018. The largest total came from Avanir Pharmaceuticals, Inc.
How long has Dr. Kelly A. O'Connor been practicing?
Dr. O'Connor graduated from medical school in 1994, 32 years ago.
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