KAREN RACHEL HAMILTON FNP-BC
NPI 1285129171
Nurse Practitioner in Tampa, FL
About Karen Rachel Hamilton Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN RACHEL HAMILTON FNP-BC (NPI 1285129171) is an individual nurse practitioner in Tampa, Florida, licensed in Florida (APRN9343056) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Falmouth Hospital, and maintains a secondary practice location in Falmouth.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Karen Rachel Hamilton Fnp-bc 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
4Medicare enrollment records show Karen Hamilton reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tampa, FL 33612
- Reassigned Medicare billing, Florida enrollment
- 992 clinicians in this Medicare group
Falmouth, MA 02540
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Massachusetts enrollment
- 156 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 423 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Falmouth Hospital
Acute Care Hospitals · Falmouth, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33612 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.
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.
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 Karen Hamilton's NPI number?
The NPI number for Karen Hamilton is 1285129171. It was assigned to this individual provider in the NPPES registry on June 25, 2018.
Where is Karen Hamilton located?
Karen Hamilton practices at 12902 Usf Magnolia Dr, Tampa, FL 33612. The listed phone number is (888) 663-3488.
What is Karen Hamilton's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Karen Hamilton enrolled in Medicare?
Yes. Karen Hamilton 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 Karen Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hamilton reassigns Medicare benefits to 4 organizations: H Lee Moffitt Cancer Ctr & Res Inst Life Time Cancer Scrn Ctr Inc (Tampa, FL), Physicians Of Falmouth Hospital (Falmouth, MA), Hospitalist Physicians Of Massachusetts PC (Framingham, MA) and Medical Affiliates Of Cape Cod, Inc. (Hyannis, MA). 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 Karen Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Hamilton accept?
Health plans from Anthem Blue Cross and Blue Shield list Karen Hamilton 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 Karen Hamilton affiliated with any hospitals?
According to CMS data, Karen Hamilton is affiliated with Falmouth Hospital and Metrowest Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Hamilton was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Karen Rachel Hamilton, FNP-BC · NPI 1285129171
Nurse Practitioner physician in Tampa, Florida. Individual provider, active in the CMS NPPES registry since June 25, 2018.
## Identity
- **NPI:** 1285129171 (Entity type: Individual)
- **Enumerated:** June 25, 2018
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** APRN9343056 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 12902 USF MAGNOLIA DR, Tampa, FL 33612-9416
- **Phone:** (888) 663-3488
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): H Lee Moffitt Cancer Ctr & Res Inst Life Time Cancer Scrn Ctr Inc (NPI 1306833595, Tampa, FL); Physicians Of Falmouth Hospital (NPI 1821363698, Falmouth, MA); Hospitalist Physicians Of Massachusetts PC (NPI 1376145680, Framingham, MA); Medical Affiliates Of Cape Cod, Inc. (NPI 1770534927, Hyannis, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1285129171) · Data from the CMS NPPES public registry.