NPPES file of Aug 9, 2026

Chad William Seiler, MD

Family Medicine Physician · Kemmerer, WY

Chad William Seiler, MD is a family medicine physician with a practice address in Kemmerer, Wyoming, and NPI 1215170311, issued on Apr 20, 2009. Check the license (Wyoming 9032A, 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
1215170311
Name
Chad William Seiler
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
9032A WY
MD60239556 WA
Self-reported in NPPES; status is on the state search
Practice location
711 Onyx St, Kemmerer, WY 83101
Phone
(307) 877-4496
Enumerated
Apr 20, 2009
Record last updated
Oct 17, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(307) 877-9769
Medicare enrollment
Enrolled (PECOS I20200821002814); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 711 Onyx St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fred Baldwin, P.A.Physician Assistant1033290978
  2. Parry Davison, CRNACertified Registered Nurse Anesthetist1316376189
  3. Scott Erickson, M.COUN.,L.P.C. 1010Professional Counselor1073760534
  4. Melissa Foster, FNP-CFamily Nurse Practitioner1205928108
  5. Kyla Franklin, NPFamily Nurse Practitioner1770205577
  6. Regg Hagge, MDFamily Medicine Physician1902850779

Verify Chad William Seiler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of Medicine
    Search for license 9032A
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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67% fewer Medicare Part D claims than the average family medicine physician in 2024

1,187 Medicare Part D claims for 191 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 30 claims were for opioids.

  1. Chad Seiler1,187
  2. Specialty average3,544

Most prescribed

  1. Gabapentin58 claims
  2. Levothyroxine Sodium51 claims
  3. Atorvastatin Calcium49 claims
  4. Lisinopril46 claims
  5. Omeprazole35 claims
  6. Metformin Hcl33 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.

Industry payments in 2024: $29.79

1 payment: food and beverage; the largest payer was Organon Llc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chad Seiler$29.79
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ihc Health Services IncDelta, UT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chad William Seiler among 400 family medicine physician records in Wyoming

Chad William Seiler, MD 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 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 42% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2009 · median 2009 among the 229 with a school on file
  • Record last updated2012 · 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).

4 family medicine physician records list a practice address in Kemmerer

They are 4 of the 31 NPPES records with a practice address in Kemmerer, and 400 family medicine physician records in Wyoming.

The 8 family medicine physician records with the nearest ZIP codes

  1. Regg Hagge, MDKemmerer, WY 831011902850779
  2. George Krell, MDKemmerer, WY 831011750482527
  3. Eric Swensen, D.O.Kemmerer, WY 831011700013661
  4. Clayton Brown, MDAfton, WY 831101033557657
  5. Allen Carter, MDAfton, WY 831101073549952
  6. Donna Givens, MDAfton, WY 831101811063407
  7. Kitchener Head, MDAfton, WY 831101538195417
  8. Niki Milleson, D.O.Afton, WY 831101225155997

Common questions

What is Chad William Seiler, MD's NPI number?

Chad William Seiler, MD's National Provider Identifier (NPI) is 1215170311, issued on Apr 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Chad William Seiler, MD located?

The NPPES record lists a practice address at 711 Onyx St, Kemmerer, WY, 83101. Phone: (307) 877-4496. Providers update this record themselves, so call before visiting.

How can I verify Chad William Seiler, MD's license?

NPPES lists Wyoming license number 9032A, 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 Chad William Seiler, MD prescribe under Medicare Part D?

In 2024, Chad William Seiler, MD had 1,187 Medicare Part D claims for 191 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.