Gregory John Kadlec, MD
Allergy Physician · Twin Falls, ID
Gregory John Kadlec, MD is an allergy physician with a practice address in Twin Falls, Idaho, and NPI 1306831045, issued on Sep 20, 2005. Check the license (Idaho M2893, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Gregory John Kadlec
- Credential
- MD
- Primary taxonomy
- Allergy Physician 207KA0200X
- License numbers
- M2893 ID
7424 NV
Self-reported in NPPES; status is on the state search - Practice location
- 800 Falls Ave, Twin Falls, ID 83301
- Phone
- (208) 734-6091
- Enumerated
- Sep 20, 2005
- Record last updated
- Nov 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (208) 734-4654
- Medicaid IDs
- 002736202 ID
002736201 ID
002736200 ID - Entity
- Type 1 · individual
7 nearest allergy physician records → All 8 in Idaho → Look up another NPI →
Also registered at 800 Falls Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Henry, MDAllergy Physician1013904622
- Winston Petersen, PA-CPhysician Assistant1194714717
- K Rayburn, FNPFamily Nurse Practitioner1124224712
Verify Gregory John Kadlec in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M2893Check 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 allergy physician in 2024
34 Medicare Part D claims, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of 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.
Allergy Physician providers in Idaho
There are 8 allergy physician records in Idaho.
All 8 in Idaho → Every provider in Twin Falls → Allergy Physician nationwide →
The 7 allergy physician records with the nearest ZIP codes
- Richard Henry, MDTwin Falls, ID 833011013904622
- Gregory Wickern, M.D.Twin Falls, ID 833011972578672
- David Parry, M.D.Pocatello, ID 832011295769594
- David Petty, D.O.Idaho Falls, ID 834041376877795
- Kathryn McMullan, M.D.Eagle, ID 836161538108089
- Charles Webb, MDBoise, ID 837061609865880
- Kenneth Wakefield, M.D.Coeur D Alene, ID 838151306832688
Common questions
What is Gregory John Kadlec, MD's NPI number?
Gregory John Kadlec, MD's National Provider Identifier (NPI) is 1306831045, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory John Kadlec, MD located?
The NPPES record lists a practice address at 800 Falls Ave, Twin Falls, ID, 83301. Phone: (208) 734-6091. Providers update this record themselves, so call before visiting.
How can I verify Gregory John Kadlec, MD's license?
NPPES lists Idaho license number M2893, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory John Kadlec, MD prescribe under Medicare Part D?
In 2024, Gregory John Kadlec, MD had 34 Medicare Part D claims; the average among allergy physician prescribers was 750. 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.