Karen Hamilton, FNP-BC
NPI 1285129171 · Nurse Practitioner · Tampa, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Hamilton, FNP-BC is a Nurse Practitioner provider in Tampa, FL (NPI 1285129171).
Provider details
- NPI number
- 1285129171
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- RN2323468 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
136 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 121 | $151 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 15 | $103 |
Typical Medicare-allowed amounts for these services range $103–$151 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 261 | 111 |
| Lisinopril | 138 | 70 |
| Amlodipine Besylate | 109 | 50 |
| Levothyroxine Sodium | 109 | 58 |
| Rosuvastatin Calcium | 100 | 47 |
| Metoprolol Succinate | 87 | 38 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 100 Ter Heun DrFalmouth, MA 02540-2503Phone: (508) 548-5300
Registry dates
- Enumerated
- 2018-06-25
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Karen Hamilton's NPI number?
- Karen Hamilton's National Provider Identifier (NPI) is 1285129171, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Hamilton's specialty?
- Karen Hamilton is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Hamilton located?
- Karen Hamilton's practice location on file with NPPES is 12902 Usf Magnolia Dr, Tampa, FL 33612-9416.
- What is Karen Hamilton's phone number?
- The practice phone number listed in the NPPES registry for Karen Hamilton is (888) 663-3488.
- Does Karen Hamilton accept Medicare?
- Karen Hamilton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Hamilton's NPI active?
- Yes — Karen Hamilton's NPI (1285129171) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.