Nathan John Ker
Family Medicine Physician · Casper, WY
Nathan John Ker is a family medicine physician with a practice address in Casper, Wyoming, and NPI 1689699589, issued on Jul 12, 2006. Check the license (Wyoming 7056A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan John Ker
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 7056A WY
Self-reported in NPPES; status is on the state search - Practice location
- 940 E 3RD St Ste 208, Casper, WY 82601
- Phone
- (307) 312-2726
- Enumerated
- Jul 12, 2006
- Record last updated
- Dec 9, 2024
- Fax
- (307) 216-8391
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Verify Nathan John Ker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 7056ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
448 Medicare Part D claims for 35 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
- Amlodipine Besylate15 claims
- Losartan Potassium15 claims
- Levothyroxine Sodium13 claims
- Metformin Hcl13 claims
- Clozapine12 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.
Nathan John Ker among 400 family medicine physician records in Wyoming
Nathan John Ker is one of 400 family medicine physician records with a practice address in Wyoming. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 family medicine physician records list a practice address in Casper
They are 85 of the 1,924 NPPES records with a practice address in Casper, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Casper → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sean Beyer, MDCasper, WY 826011700809209
- Eugene Duquette, D.O.Casper, WY 826011174573661
- Dana Ideen, M.D.Casper, WY 826011558375477
- Sharon Karnes, M.D.Casper, WY 826011962440487
- Jason LloydCasper, WY 826011841298536
- Michael Miller, DOCasper, WY 826011548201213
- Jeffrey Preston, M.D.Casper, WY 826011508891078
- Beth Robitaille, MDCasper, WY 826011396788865
Common questions
What is Nathan John Ker's NPI number?
Nathan John Ker's National Provider Identifier (NPI) is 1689699589, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan John Ker located?
The NPPES record lists a practice address at 940 E 3RD St Ste 208, Casper, WY, 82601. Phone: (307) 312-2726. Providers update this record themselves, so call before visiting.
How can I verify Nathan John Ker's license?
NPPES lists Wyoming license number 7056A, 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 Nathan John Ker prescribe under Medicare Part D?
In 2024, Nathan John Ker had 448 Medicare Part D claims for 35 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.