Nathaniel A. Kaan, M.D.
Surgery Physician · Cheyenne, WY
Nathaniel A. Kaan, M.D. is a surgery physician with a practice address in Cheyenne, Wyoming, and NPI 1508210709, issued on Apr 14, 2016. Check the license (Wyoming 15275A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathaniel A. Kaan
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 15275A WY
Self-reported in NPPES; status is on the state search - Practice location
- 4003 Rawlins St, Cheyenne, WY 82001
- Phone
- (307) 323-2679
- Enumerated
- Apr 14, 2016
- Record last updated
- Feb 24, 2025
- Fax
- (307) 323-2740
- Medicare enrollment
- Enrolled (PECOS I20220913004219); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 73 in Wyoming → Look up another NPI →
Also registered at 4003 Rawlins St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeremy Gates, MDSurgery Physician1629136767
- Sheriedan Grannan, FNP-CFamily Nurse Practitioner1417326075
- Montanna Merrick, PA-CSurgical Physician Assistant1205697315
Verify Nathaniel A. Kaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 15275ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average surgery physician in 2024
78 Medicare Part D claims for 43 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Oxycodone Hcl21 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.
Bills Medicare through one group practice
- Mountain West Surgical Specialists LLCCheyenne, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel A. Kaan among 73 surgery physician records in Wyoming
Nathaniel A. Kaan, 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 2016, is newer than 90% of them.
- NPI issued2016 · 90% of these records are older, 4% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · median 2002 among the 42 with a school on file
- Record last updated2025 · 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).
Surgery Physician providers in Wyoming
There are 73 surgery physician records in Wyoming.
All 73 in Wyoming → Every provider in Cheyenne → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Jeremy Gates, MDCheyenne, WY 820011629136767
- Elias Kfoury, M.D.Cheyenne, WY 820011841422094
- Samuel Saltz, D.O.Cheyenne, WY 820011609049287
- David Sprunger, M.D.Cheyenne, WY 820011346583697
- Daniel Travers, MDCheyenne, WY 820011457301715
- George Tutt, M.D.Cheyenne, WY 820011033168943
- Lisa Burton, MDCheyenne, WY 820091093756587
- Jason Clarke, M.D.Cheyenne, WY 820091740377456
Common questions
What is Nathaniel A. Kaan, M.D.'s NPI number?
Nathaniel A. Kaan, M.D.'s National Provider Identifier (NPI) is 1508210709, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel A. Kaan, M.D. located?
The NPPES record lists a practice address at 4003 Rawlins St, Cheyenne, WY, 82001. Phone: (307) 323-2679. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel A. Kaan, M.D.'s license?
NPPES lists Wyoming license number 15275A, 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 Nathaniel A. Kaan, M.D. prescribe under Medicare Part D?
In 2024, Nathaniel A. Kaan, M.D. had 78 Medicare Part D claims for 43 beneficiaries; 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.