Karen Ann O'Connor, CRNP
- Medicare patients, 2024
- 182
- MIPS score, 2024
- 64
- Hospital affiliations
- 1
- Industry payments
- $26
- Medical groups
- 3
- Practice address
- 100 Hospital Road, Prince Frederick, MD 20678
- Practice phone
- Call (410) 535-8240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Karen 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.
Karen Ann O'Connor is a nurse practitioner in Prince Frederick, Maryland
Karen O'Connor practices at CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth.
Karen O'Connor's NPI, 1861449191, was assigned on May 30, 2006. Karen O'Connor holds Maryland license R108183.
- NPI
- 1861449191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931198389
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 535-8240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karen Ann O'Connor practices at CalvertHealth Medical Center in Prince Frederick, Maryland
Karen O'Connor's primary practice is CalvertHealth Medical Center, at 100 Hospital Road, Prince Frederick, MD 20678 in Calvert County. The practice phone is (410) 535-8240.
- CalvertHealth Medical Center100 Hospital Road, Prince Frederick, MD 20678 · Calvert CountyPhone(410) 535-8240
Source: Dmand AI Affiliation Data
Karen Ann O'Connor is affiliated with 1 site of care and 3 medical groups
Karen O'Connor's primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. The medical group on file is US Acute Care Solutions. Dmand AI also links Karen O'Connor to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Karen Ann O'Connor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karen O'Connor practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CalvertHealth Medical Center | Available with a free account |
| +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 CalvertHealth and 6.2K+ hospitals, with verified contacts in the same login.
Karen Ann O'Connor is one of 1,032 nurse practitioners in Maryland
Nurse practitioner is Karen O'Connor's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Karen O'Connor is licensed in Maryland.
Specialties and state licenses
- Nurse practitioner, MarylandPrimary
Nurse practitioners near Karen O'Connor
Counts of nurse practitioners 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
Karen Ann O'Connor treated 182 Medicare patients in 2024, average age 76
CMS counts 182 Medicare patients who saw Karen O'Connor in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Karen O'Connor's median patient age at 71, with 48% women.
Karen O'Connor's Medicare patients by age, 2024
Karen O'Connor's Medicare patients by sex, 2024
- Women8245%
- Men10055%
Chronic conditions among Karen O'Connor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Diabetes60%
- Arthritis58%
- Atrial fibrillation58%
- Heart failure58%
- Chronic kidney disease51%
Share of Medicare patients with each condition. A patient can have several.
Karen 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 71
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Karen Ann O'Connor scored 64 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 64 out of 100 for Karen O'Connor for performance year 2024, reported as part of a group. Karen O'Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Karen O'Connor's MIPS scores, performance year 2024
- 64of 100Final score
- 31of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Karen Ann O'Connor received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Karen O'Connor from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $26.
Companies that paid Karen O'Connor the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Karen Ann 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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Clinician Public Reporting: Overall MIPS Performance (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 Karen Ann 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 Karen Ann O'Connor's NPI number?
Karen Ann O'Connor's NPI number is 1861449191. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What does Karen Ann O'Connor specialize in?
Karen Ann O'Connor is a nurse practitioner in Prince Frederick, Maryland. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Karen Ann O'Connor practice?
Karen O'Connor practices at 100 Hospital Road, Prince Frederick, MD 20678. Karen O'Connor's primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. Dmand AI also links Karen O'Connor to 2 medical groups.
What is Karen Ann O'Connor's office phone number?
The practice phone on file for Karen O'Connor is (410) 535-8240.
What is Karen Ann O'Connor's medical license number?
Karen O'Connor holds Maryland license R108183.
Which hospitals is Karen Ann O'Connor affiliated with?
Karen O'Connor practices at CalvertHealth Medical Center in Prince Frederick, Maryland.
What medical group is Karen Ann O'Connor part of?
Karen O'Connor is linked to US Acute Care Solutions. Dmand AI links Karen O'Connor to 2 more medical groups.
Does Karen Ann O'Connor accept Medicare?
Yes. CMS lists Karen O'Connor as accepting Medicare assignment.
What is Karen Ann O'Connor's MIPS score?
Karen O'Connor's MIPS final score for performance year 2024 is 64 out of 100, reported as part of a group.
How many Medicare patients does Karen Ann O'Connor see?
CMS counts 182 Medicare patients who saw Karen O'Connor in 2024, with an average age of 76.
Has Karen Ann O'Connor received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Karen O'Connor from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Karen Ann O'Connor been practicing?
Karen O'Connor graduated from medical school in 1999, 27 years ago.
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