Walter D. Merritt, M.D.
Otolaryngic Allergy Physician · Lander, WY
Walter D. 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.
- Name
- Walter D. Merritt
- Credential
- M.D.
- Primary taxonomy
- Otolaryngic Allergy Physician 207YX0602X
- License number
- M5753 ID
Self-reported in NPPES; status is on the state search - Practice location
- 8185 State Highway 789, Lander, WY 82520
- Phone
- (307) 335-7555
- Enumerated
- Nov 28, 2005
- Record last updated
- Sep 11, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (307) 335-7999
- Medicaid ID
- 804259200 ID
- Entity
- Type 1 · individual
1 nearest otolaryngic allergy physician record → All 2 in Wyoming → Look up another NPI →
Also registered at 8185 State Highway 789
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hollie Johnson, FNP-CFamily Nurse Practitioner1306389432
Verify Walter D. Merritt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% 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 867 among the 91 providers of this specialty who prescribed in Part D.
Most prescribed
- 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 2 otolaryngic allergy physician records in Wyoming.
All 2 in Wyoming → Every provider in Lander → Otolaryngic Allergy Physician nationwide →
The 1 otolaryngic allergy physician record with the nearest ZIP codes
- Sigsbee Duck, MDRock Springs, WY 829011235228164
Common questions
What is Walter D. Merritt, M.D.'s NPI number?
Walter D. 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 D. 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 D. 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 D. Merritt, M.D. prescribe under Medicare Part D?
In 2024, Walter D. Merritt, M.D. had 80 Medicare Part D claims for 36 beneficiaries; the average among otolaryngic allergy physician prescribers was 867. 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.