MS. CARISSA KAREN O'HARA NP-FAMILY
NPI 1457693657
Nurse Practitioner - Family in Stillwater, MN
About Ms. Carissa Karen O'hara Np-family NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CARISSA KAREN O'HARA NP-FAMILY (NPI 1457693657) is an individual family provider in Stillwater, Minnesota, licensed in Wisconsin (5369-33) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Lakeview Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Carissa Karen O'hara Np-family is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Carissa O'hara reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stillwater, MN 55082
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- Also billed through NPI 1427420181 (Wisconsin)
- 2,274 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Amery, WI 54001
- Reassigned Medicare billing, Wisconsin enrollment
- 348 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeview Memorial Hospital
Acute Care Hospitals · Stillwater, MNHudson Hospital
Critical Access Hospitals · Hudson, WIWestfields Hospital And Clinic
Critical Access Hospitals · New Richmond, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55082 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STILLWATER, MN 55082
STILLWATER, MN 55082
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Carissa O'hara's NPI number?
The NPI number for Carissa O'hara is 1457693657. It was assigned to this individual provider in the NPPES registry on March 26, 2013.
Where is Carissa O'hara located?
Carissa O'hara practices at 1500 Curve Crest Blvd W, Stillwater, MN 55082. The listed phone number is (651) 439-1234.
What is Carissa O'hara's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Carissa O'hara enrolled in Medicare?
Yes. Carissa O'hara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Carissa O'hara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carissa O'hara reassigns Medicare benefits to 3 organizations: Group Health, Inc. (Stillwater, MN), Westfields Hospital, Inc. (New Richmond, WI) and Amery Regional Medical Center, Inc. (Amery, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carissa O'hara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carissa O'hara accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Security Health Plan list Carissa O'hara as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Carissa O'hara affiliated with any hospitals?
According to CMS data, Carissa O'hara is affiliated with Lakeview Memorial Hospital, Hudson Hospital and Westfields Hospital And Clinic.
When was this NPI record last updated?
The NPPES record for Carissa O'hara was last updated on August 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Carissa Karen O'hara, NP-FAMILY · NPI 1457693657
Family physician in Stillwater, Minnesota. Individual provider, active in the CMS NPPES registry since March 26, 2013.
## Identity
- **NPI:** 1457693657 (Entity type: Individual)
- **Enumerated:** March 26, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 5369-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CURVE CREST BLVD W, Stillwater, MN 55082-6040
- **Phone:** (651) 439-1234
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Group Health, Inc. (NPI 1245608454, Stillwater, MN); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); Amery Regional Medical Center, Inc. (NPI 1093763518, Amery, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1457693657) · Data from the CMS NPPES public registry.