NPPES file of Aug 9, 2026

Tonu Kiesel, M.D.

Surgery Physician · Newcastle, WY

Tonu Kiesel, M.D. is a surgery physician with a practice address in Newcastle, Wyoming, and NPI 1699103697, issued on Oct 29, 2013. Check the license (Wyoming 2270A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699103697
Name
Tonu Kiesel
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
2270A WY
17348 MN
Self-reported in NPPES; status is on the state search
Practice location
258 Elk Grove Trl, Newcastle, WY 82701
Phone
(307) 746-2035
Enumerated
Oct 29, 2013
Record last updated
Oct 29, 2013 (not updated in 13 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Tonu Kiesel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 2270A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wyoming license search

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14% fewer Medicare Part D claims than the average surgery physician in 2024

127 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Tonu Kiesel127
  2. Specialty average147

Most prescribed

  1. Losartan Potassium24 claims
  2. Atorvastatin Calcium16 claims
  3. Chlorthalidone12 claims
  4. Escitalopram Oxalate12 claims
  5. Omeprazole12 claims
  6. Propranolol Hcl Er12 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.

Tonu Kiesel among 73 surgery physician records in Wyoming

Tonu Kiesel, M.D. is one of 73 surgery physician records with a practice address in Wyoming. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 86% of them.

  • NPI issued2013 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2013 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 surgery physician records list a practice address in Newcastle

They are 2 of the 79 NPPES records with a practice address in Newcastle, and 73 surgery physician records in Wyoming.

The 8 surgery physician records with the nearest ZIP codes

  1. John Sterchi, MDNewcastle, WY 827011508925678
  2. Kris Canfield, MDGillette, WY 827161366441131
  3. Paul Dearing, MDGillette, WY 827161497789093
  4. Rodney Biggs, M.D.Gillette, WY 827181548330723
  5. Adel Bozorgzadeh, MDGillette, WY 827181083640825
  6. Sara Hartsaw, MDGillette, WY 827181881691905
  7. Jacob Rinker, M.D.Gillette, WY 827181386939569
  8. Jonathan Grosdidier, M.D.Douglas, WY 826331992808398

Common questions

What is Tonu Kiesel, M.D.'s NPI number?

Tonu Kiesel, M.D.'s National Provider Identifier (NPI) is 1699103697, issued on Oct 29, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tonu Kiesel, M.D. located?

The NPPES record lists a practice address at 258 Elk Grove Trl, Newcastle, WY, 82701. Phone: (307) 746-2035. Providers update this record themselves, so call before visiting.

How can I verify Tonu Kiesel, M.D.'s license?

NPPES lists Wyoming license number 2270A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tonu Kiesel, M.D. prescribe under Medicare Part D?

In 2024, Tonu Kiesel, M.D. had 127 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.