NPPES file of Aug 9, 2026

Marshall Snow, M.D.

Otolaryngology Physician · Nampa, ID

Marshall Snow, M.D. is an otolaryngology physician with a practice address in Nampa, Idaho, and NPI 1891112389, issued on Mar 24, 2014. Check the license (Idaho M-17480, as entered in NPPES) on the Idaho 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
1891112389
Name
Marshall Snow
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
M-17480 ID
S0571 TX
Self-reported in NPPES; status is on the state search
Practice location
4400 E Flamingo Ave Ste 200, Nampa, ID 83687
Phone
(208) 302-1000
Enumerated
Mar 24, 2014
Record last updated
Nov 19, 2025
Fax
(208) 302-1035
Medicare enrollment
Enrolled (PECOS I20231109001415); accepts Medicare assignment
Medical or professional school
Wake Forest University School Of Medicine, 2014
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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8 nearest otolaryngology physician records → All 43 in Idaho → Look up another NPI →

Also registered at 4400 E Flamingo Ave Ste 200

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

  1. Forrest Fredline, DOSurgery Physician1245493840
  2. Katherine Homer, D.O.Surgery Physician1790167757
  3. Michael McComb, PASurgical Physician Assistant1568778918
  4. Aaron Newton, D.O.Sports Medicine (Orthopaedic Surgery) Physician1538507520
  5. Katie Nichols, PA-CSurgical Physician Assistant1700447141
  6. Michael Nizzi, D.O.Surgery Physician1700802055

Verify Marshall Snow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M-17480    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 Idaho 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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14% more Medicare Part D claims than the average otolaryngology physician in 2024

618 Medicare Part D claims for 248 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Marshall Snow618
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate123 claims
  2. Ipratropium Bromide90 claims
  3. Azelastine Hcl64 claims
  4. Famotidine47 claims
  5. Omeprazole46 claims
  6. Methylprednisolone33 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: $18.40

1 payment: food and beverage; the largest payer was Aerin Medical Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marshall Snow$18.40
  2. Specialty average$1,922.50

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. Saint Alphonsus Regional Medical Center IncBoise, ID

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

Marshall Snow among 43 otolaryngology physician records in Idaho

Marshall Snow, M.D. is one of 43 otolaryngology physician records with a practice address in Idaho. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2014 · median 2001 among the 29 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Idaho

There are 43 otolaryngology physician records in Idaho.

All 43 in Idaho → Every provider in Nampa → Otolaryngology Physician nationwide →

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Brian Affleck, MDNampa, ID 836861386633824
  2. Martin Tubach, MDBoise, ID 837031982656591
  3. Donald Beasley, MDBoise, ID 837041770573750
  4. Seung Yong Ji, MDBoise, ID 837041033748660
  5. Arthur Jones, M.D.Boise, ID 837041659354223
  6. David Lewis, DOBoise, ID 837041346706520
  7. Tyson Nielsen, MDBoise, ID 837041326435249
  8. Todd Rustad, M.D.Boise, ID 837041306829973

Common questions

What is Marshall Snow, M.D.'s NPI number?

Marshall Snow, M.D.'s National Provider Identifier (NPI) is 1891112389, issued on Mar 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Marshall Snow, M.D. located?

The NPPES record lists a practice address at 4400 E Flamingo Ave Ste 200, Nampa, ID, 83687. Phone: (208) 302-1000. Providers update this record themselves, so call before visiting.

How can I verify Marshall Snow, M.D.'s license?

NPPES lists Idaho license number M-17480, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marshall Snow, M.D. prescribe under Medicare Part D?

In 2024, Marshall Snow, M.D. had 618 Medicare Part D claims for 248 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.