CATHY O'NEIL M.D., M.P.H.
NPI 1003955279
Hospitalist in Gainesville, FL
About Cathy O'neil M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHY O'NEIL M.D., M.P.H. (NPI 1003955279) is an individual hospitalist provider in Gainesville, Florida, licensed in Florida (ME168894) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Southeast Iowa Regional Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 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
Cathy O'neil M.d., M.p.h. 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
13Medicare enrollment records show Cathy O'neil reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gainesville, FL 32610
- Reassigned Medicare billing, Florida enrollment
- 3,324 clinicians in this Medicare group
St Augustine, FL 32092
- Reassigned Medicare billing, Florida enrollment
- 354 clinicians in this Medicare group
Peoria, IL 61603
- Reassigned Medicare billing, Colorado enrollment
West Burlington, IA 52655
- Reassigned Medicare billing, Colorado enrollment
- 14 clinicians in this Medicare group
Mount Pleasant, IA 52641
- Reassigned Medicare billing, Colorado and Iowa enrollments
- Also billed through NPI 1811571417 (Iowa)
- 2 clinicians in this Medicare group
Oklahoma City, OK 73103
- Reassigned Medicare billing, Oklahoma enrollment
- 89 clinicians in this Medicare group
Cottage Grove, MN 55016
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 clinicians in this Medicare group
Burnsville, MN 55337
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 clinicians in this Medicare group
Clovis, NM 88101
- Reassigned Medicare billing, New Mexico enrollment
- 2,331 clinicians in this Medicare group
Lamar, CO 81052
- Reassigned Medicare billing, Colorado enrollment
- 1,193 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 17
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Southeast Iowa Regional Medical Center
Acute Care Hospitals · West Burlington, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32610 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
GAINESVILLE, FL 32610
GAINESVILLE, FL 32610
GAINESVILLE, FL 32610
GAINESVILLE, FL 32610
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 Cathy O'neil's NPI number?
The NPI number for Cathy O'neil is 1003955279. It was assigned to this individual provider in the NPPES registry on February 5, 2007.
Where is Cathy O'neil located?
Cathy O'neil practices at 1600 SW Archer Rd, Gainesville, FL 32610. The listed phone number is (352) 392-0140.
What is Cathy O'neil's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Cathy O'neil enrolled in Medicare?
Yes. Cathy O'neil 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 Cathy O'neil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathy O'neil reassigns Medicare benefits to 13 organizations: Florida Clinical Practice Association Inc (Gainesville, FL), Villages Regional Hospital Physician Services LLC (St Augustine, FL), Methodist Medical Center Of Illinois (Peoria, IL), Southeast Iowa Regional Medical Center, Inc. (West Burlington, IA), Henry County Health Center Inc (Mount Pleasant, IA) and 8 more organizations, listed in the Medicare section above. 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 Cathy O'neil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cathy O'neil accept?
Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Oklahoma and Wellmark Health Plan of Iowa, Inc. list Cathy O'neil 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 Cathy O'neil affiliated with any hospitals?
According to CMS data, Cathy O'neil is affiliated with Southeast Iowa Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Cathy O'neil was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Cathy O'neil, M.D., M.P.H. · NPI 1003955279
Hospitalist physician in Gainesville, Florida. Individual provider, active in the CMS NPPES registry since February 5, 2007.
## Identity
- **NPI:** 1003955279 (Entity type: Individual)
- **Enumerated:** February 5, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** ME168894 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 SW ARCHER RD, Gainesville, FL 32610-3178
- **Phone:** (352) 392-0140
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Florida Clinical Practice Association Inc (NPI 1063463768, Gainesville, FL); Villages Regional Hospital Physician Services LLC (NPI 1992639777, St Augustine, FL); Methodist Medical Center Of Illinois (NPI 1184670663, Peoria, IL); Southeast Iowa Regional Medical Center, Inc. (NPI 1164433884, West Burlington, IA); Henry County Health Center Inc (NPI 1871177477, Mount Pleasant, IA); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 3, 2026
- **Other identifiers:** Medicaid 123314400 (FL); Medicaid 83509542 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1003955279) · Data from the CMS NPPES public registry.