Leif Kanooth, D.O.
Internal Medicine Physician · Largo, FL
Leif Kanooth, D.O. is an internal medicine physician with a practice address in Largo, Florida, and NPI 1427338136, issued on Aug 25, 2011. Check the license (Florida UO2851, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Leif Kanooth
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- UO2851 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Indian Rocks RD S, Largo, FL 33774
- Phone
- (727) 586-7103
- Enumerated
- Aug 25, 2011
- Record last updated
- Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (727) 585-7205
- Medicare enrollment
- Enrolled (PECOS I20180823002302); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 2025 Indian Rocks RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Cano, DOEmergency Medicine Physician1447205653
- Karla Celleri-Rew, D.O.General Practice Physician1508146408
- Martin Clemmons, D.O.Internal Medicine Physician1821378589
Verify Leif Kanooth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license UO2851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
169 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Cefdinir17 claims
- Prednisone15 claims
- Eliquis12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Tri-State Memorial HospitalClarkston, WA · Critical Access Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Leif Kanooth among 10,151 internal medicine physician records in Florida
Leif Kanooth, D.O. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2004 among the 6,606 with a school on file
- Record last updated2011 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 internal medicine physician records list a practice address in Largo
They are 96 of the 2,280 NPPES records with a practice address in Largo, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Largo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leo Choe, DOLargo, FL 337741508175530
- Martin Clemmons, D.O.Largo, FL 337741821378589
- Eric Grosch, MDLargo, FL 337741487867164
- Christopher Halleman, D.O.Largo, FL 337741881999514
- Jennifer Kudelko, D.O.Largo, FL 337741922097955
- James Marshall, DOLargo, FL 337741609979228
- Sunil Pokharel, M.D.Largo, FL 337741578753646
- Srinivas Rajendran, D.O.Largo, FL 337741497050132
Common questions
What is Leif Kanooth, D.O.'s NPI number?
Leif Kanooth, D.O.'s National Provider Identifier (NPI) is 1427338136, issued on Aug 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Leif Kanooth, D.O. located?
The NPPES record lists a practice address at 2025 Indian Rocks RD S, Largo, FL, 33774. Phone: (727) 586-7103. Providers update this record themselves, so call before visiting.
How can I verify Leif Kanooth, D.O.'s license?
NPPES lists Florida license number UO2851, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leif Kanooth, D.O. prescribe under Medicare Part D?
In 2024, Leif Kanooth, D.O. had 169 Medicare Part D claims for 96 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.