NPPES file of Aug 9, 2026

Dean Louis Martinelli, MD

Otolaryngology Physician · Oconomowoc, WI

Dean Louis Martinelli, MD is an otolaryngology physician with a practice address in Oconomowoc, Wisconsin, and NPI 1932174117, issued on Feb 21, 2006. Check the license (Wisconsin 18169, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1932174117
Name
Dean Louis Martinelli
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
18169 WI
Self-reported in NPPES; status is on the state search
Practice location
888 Thackeray Trail, Oconomowoc, WI 53066
Phone
(262) 567-0505
Enumerated
Feb 21, 2006
Record last updated
Feb 27, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(262) 567-0778
Medicaid ID
30179100 WI
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.
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Also registered at 888 Thackeray Trail

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

  1. Mark Rossing, MDPsychiatry Physician1184659591
  2. Andrew Schroettner, MDPsychiatry Physician1043245459

Verify Dean Louis Martinelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 18169
    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 Wisconsin license search

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69% fewer Medicare Part D claims than the average otolaryngology physician in 2024

167 Medicare Part D claims for 57 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Dean Martinelli167
  2. Specialty average541

Most prescribed

  1. Montelukast Sodium29 claims
  2. Nystatin19 claims
  3. Cevimeline Hcl18 claims
  4. Clarithromycin11 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: $145.23

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Dean Martinelli$145.23
  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.

Dean Louis Martinelli among 231 otolaryngology physician records in Wisconsin

Dean Louis Martinelli, MD is one of 231 otolaryngology physician records with a practice address in Wisconsin. 73% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2008 · 53% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Wisconsin

There are 231 otolaryngology physician records in Wisconsin.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Donald Blatnik, M.D.Oconomowoc, WI 530661700027810
  2. Mark Flick, DOOconomowoc, WI 530661780799841
  3. Michael Janowak, MDOconomowoc, WI 530661285601070
  4. Paul LambertSummit, WI 530661265886949
  5. Rebecca Mahoney, DOSummit, WI 530661205490562
  6. Evan Cretney, MDSheboygan, WI 530811528563442
  7. Casey Flanary, M.D.Menomonee Falls, WI 530511467431254
  8. Richard Grunke, M.D.Menomonee Falls, WI 530511992737316

Common questions

What is Dean Louis Martinelli, MD's NPI number?

Dean Louis Martinelli, MD's National Provider Identifier (NPI) is 1932174117, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dean Louis Martinelli, MD located?

The NPPES record lists a practice address at 888 Thackeray Trail, Oconomowoc, WI, 53066. Phone: (262) 567-0505. Providers update this record themselves, so call before visiting.

How can I verify Dean Louis Martinelli, MD's license?

NPPES lists Wisconsin license number 18169, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dean Louis Martinelli, MD prescribe under Medicare Part D?

In 2024, Dean Louis Martinelli, MD had 167 Medicare Part D claims for 57 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.

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.