Active NPI 1285129171 Individual Practitioner Female Practitioner

Karen Rachel Hamilton , FNP-BC

Nurse Practitioner • Tampa, FL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Karen Hamilton, FNP-BC is a certified Nurse Practitioner practicing in Tampa, FL. With approximately 9 years of clinical experience since completing medical education in 2017, Karen Hamilton delivers high-quality medical care to the local community at 12902 USF MAGNOLIA DR.

Karen Hamilton maintains professional affiliations with Hospitalist Physicians Of Massachusetts Pc, Physicians Of Falmouth Hospital, H Lee Moffitt Cancer Ctr And Res Inst Life Time Cancer Scrn Ctr Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital observation care. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12902 Usf Magnolia Dr

Tampa, FL 336129416

Telephone 8886633488

Associated Practice Facility / Clinic

🏢 H Lee Moffitt Cancer Ctr & Res Inst Life Time Cancer Scrn Ctr Inc Facility NPI 1306833595

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Tampa, FL

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -0.3 yrs vs City Avg

City Avg: 9.3 Yrs

State Avg: 10.0 Yrs

Regional Practice Density

832 Specialists

Practicing in Tampa, FL (8990 Statewide)

Telehealth Adoption Rate

18.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hamilton (9 Years) 9 Yrs

Tampa Specialty Average (9.3 Years) 9.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	121	120	$531.04	$150.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	11	$273.52	$103.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	93	91	$531.04	$151.35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	18	$273.52	$103.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$531.04	$170.56
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	12	$273.52	$87.99
99220 Hospital observation care, typically 70 minutes	12	12	$485.31	$153.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	132	127	$531.04	$174.89
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	47	39	$189.78	$63.17
99220 Hospital observation care, typically 70 minutes	45	43	$485.31	$159.91
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	41	34	$273.52	$90.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	37	$361.56	$119.60
99219 Hospital observation care, typically 50 minutes	21	21	$356.24	$118.09
99238 Hospital discharge day management, 30 minutes or less	15	15	$192.10	$63.74
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$267.45	$88.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$511.10	$180.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	42	39	$263.46	$90.75
99220 Hospital observation care, typically 70 minutes	36	35	$465.89	$164.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	20	$183.19	$64.42
99238 Hospital discharge day management, 30 minutes or less	15	15	$183.50	$65.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	201	144	$258.94	$91.38
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	195	142	$180.36	$63.95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	128	127	$503.86	$177.81
99238 Hospital discharge day management, 30 minutes or less	73	71	$182.18	$64.45
99220 Hospital observation care, typically 70 minutes	64	63	$462.00	$163.13
99239 Hospital discharge day management, more than 30 minutes	32	31	$270.56	$94.42
99217 Hospital observation care on day of discharge	30	30	$182.18	$64.43
99219 Hospital observation care, typically 50 minutes	15	15	$338.22	$119.47
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$340.14	$120.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99238 Hospital discharge day management, 30 minutes or less	18	18	$182.18	$64.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	11	$180.36	$64.20

Medical Specialties & State Licenses

CMS Verified: 2026-04-09

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License FL APRN9343056

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License MA RN2323468

Definition to come...

Hospital & Practice Group Affiliations

H Lee Moffitt Cancer Ctr And Res Inst Life Time Cancer Scrn Ctr Inc

12902 Usf Magnolia Dr, Tampa, FL 336129416

Phone: 8888602778

Hospitalist Physicians Of Massachusetts Pc

115 Lincoln St, Framingham, MA 017026358

Phone: 5083831000

Physicians Of Falmouth Hospital

100 Ter Heun Dr, Falmouth, MA 025402503

Phone: 5087711800

Secondary Practice Locations

100 Ter Heun Dr

Falmouth, MA 025402503

Phone: 5085485300

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Maheen Jussab Ismail

Physician Assistant

NPI 1003756438

Dr. Dayne Piercefield , MD

Hospitalist

NPI 1003961319

Doctor of Medicine (M.D.)

Luke Beggs , PA-C

Physician Assistant

NPI 1013863471

Physician Assistant (Certified)

Bianca Larsh , PA-C

Physician Assistant

NPI 1033930607

Physician Assistant (Certified)

Mackensie Ligon , AA

Anesthesiologist Assistant

NPI 1053046177

Dr. Gene Posca , MD

Internal Medicine

NPI 1053721514

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location April 09, 2026

Registered at 12902 USF MAGNOLIA DR, TAMPA, FL 336129416 (Tel: 8886633488)

📍

Updated Business Mailing Address April 09, 2026

Registered at 3005 SUMMER HOUSE DR, VALRICO, FL 335947638 (Tel: 3212623350)

✅

NPI Profile Active June 25, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location June 25, 2018

Registered at 100 TER HEUN DR, FALMOUTH, MA 025402503 (Tel: 5085485300)

📍

Updated Business Mailing Address June 25, 2018

Registered at 35 ASHUMET RD UNIT 3C, MASHPEE, MA 026492058 (Tel: 3212623350)

👤

Provider Name / Credentials Updated June 25, 2018

Recorded as KAREN HAMILTON, FNP-BC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 25, 2018

Nurse Practitioner (License #RN2323468 in MA)

🟢

Initial NPI Registration & Enumeration June 25, 2018

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1285129171

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 25, 2018

Last Update: April 09, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3005 Summer House Dr

Valrico, FL 335947638

Phone: 3212623350

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.