Doctor profile · Federal record

Dr. Leif Kanooth, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Largo, FL

  • NPI 1427338136
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2025 Indian Rocks RD S
Largo, FL 337741035
(727) 586-7103
fax (727) 585-7205

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Florida #UO2851

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427338136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
705
Distinct HCPCS
6
Medicare allowed
$86,532
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 264 147 $119
99239 Hospital discharge day management, more than 30 minutes 150 145 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 141 91 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 94 91 $174
99291 Critical care, first 30-74 minutes 36 27 $213
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $130

In context: peer comparison

Among 26 peers in Largo Internal Medicine Physician, average services per provider: 112. This provider delivers 6.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
17
Total drug cost
$64
Drug Type Claims Patients Total cost
Prednisone Generic 18 17 $64

Frequently asked questions

Auto-generated from federal data
What is Dr. Leif Kanooth's medical specialty?
Dr. Leif Kanooth practices Internal Medicine Physician in Largo, FL.
Where does Dr. Leif Kanooth practice?
Dr. Leif Kanooth practices at 2025 Indian Rocks RD S, Largo, FL 337741035. Office phone: 7275867103.
What is Dr. Leif Kanooth's NPI?
Dr. Leif Kanooth's National Provider Identifier (NPI) is 1427338136, issued by NPPES.
Does Dr. Leif Kanooth accept Medicare assignment?
Yes. Dr. Leif Kanooth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leif Kanooth commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.