Registry data as of Aug 27, 2026

Walter Merritt, M.D.

Otolaryngic Allergy Physician · Lander, WY

Walter Merritt, M.D. is an otolaryngic allergy physician with a practice address in Lander, Wyoming, and NPI 1053394643, issued on Nov 28, 2005. Check the license on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1053394643
Name
Walter Merritt
Credential
M.D.
Primary taxonomy
Otolaryngic Allergy Physician 207YX0602X
Practice location
8185 State Highway 789, Lander, WY 82520
Phone
(307) 335-7555
Enumerated
Nov 28, 2005
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.
Download card Updates feed

Also registered at 8185 State Highway 789

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

  1. Hollie Johnson, FNP-CFamily Nurse Practitioner1306389432

Verify Walter Merritt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWyoming Board of MedicineCheck 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.

90% fewer Medicare Part D claims than the average otolaryngic allergy physician in 2024

80 Medicare Part D claims for 36 beneficiaries, against an average of 768 among the 112 providers of this specialty who prescribed in Part D.

  1. Walter Merritt80
  2. Specialty average768

Most prescribed

  1. Omeprazole12 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.

Otolaryngic Allergy Physician providers in Wyoming

There are 5 otolaryngic allergy physician records in Wyoming.

Other otolaryngic allergy physician records in Wyoming

  1. Ryan Black, D.O.Gillette, WY1619024544
  2. Sigsbee Duck, MDRock Springs, WY1235228164
  3. Alexandra McClenahan, MDGillette, WY1922627991
  4. Jacob Parmley, DOGillette, WY1043890320

Common questions

What is Walter Merritt, M.D.'s NPI number?

Walter Merritt, M.D.'s National Provider Identifier (NPI) is 1053394643, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Walter Merritt, M.D. located?

The NPPES record lists a practice address at 8185 State Highway 789, Lander, WY, 82520. Phone: (307) 335-7555. Providers update this record themselves, so call before visiting.

How can I verify Walter Merritt, M.D.'s license?

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 Walter Merritt, M.D. prescribe under Medicare Part D?

In 2024, Walter Merritt, M.D. had 80 Medicare Part D claims for 36 beneficiaries; the average among otolaryngic allergy physician prescribers was 768. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.