NPPES file of Aug 9, 2026

Christopher J. Keller, M.D.

Otolaryngology Physician · Neenah, WI

Christopher J. Keller, M.D. is an otolaryngology physician with a practice address in Neenah, Wisconsin, and NPI 1437152568, issued on May 23, 2005. Check the license (Wisconsin 36490, 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
1437152568
Name
Christopher J. Keller
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
36490 WI
Self-reported in NPPES; status is on the state search
Practice location
119 E Bell St, Neenah, WI 54956
Phone
(920) 969-1768
Enumerated
May 23, 2005
Record last updated
Mar 10, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(920) 969-1788
Medicaid ID
32113100 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 119 E Bell St

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

  1. Robert Bechard, M.D.Otolaryngology Physician1306849443
  2. Kasey Boerner, APNPFamily Nurse Practitioner1477862902
  3. Larry Burton, MDOtolaryngology Physician1841226628
  4. Mark Conradt, AU.D.Audiologist1255334421
  5. Andrea Federman, AUDAudiologist1851303630
  6. Jessica Grzeca, AUDAudiologist1982616686

Verify Christopher J. Keller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36490
    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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19% fewer Medicare Part D claims than the average otolaryngology physician in 2024

440 Medicare Part D claims for 199 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.

  1. Christopher Keller440
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate78 claims
  2. Prednisone35 claims
  3. Amoxicillin-Clavulanate Potass33 claims
  4. Ipratropium Bromide33 claims
  5. Ciprofloxacin-Dexamethasone26 claims
  6. Ciprofloxacin Hcl22 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: $37.12

2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, 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. Christopher Keller$37.12
  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.

Christopher J. Keller among 231 otolaryngology physician records in Wisconsin

Christopher J. Keller, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2017 · 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. Robert Bechard, M.D.Neenah, WI 549561306849443
  2. Larry Burton, MDNeenah, WI 549561841226628
  3. Robert Prehn, M.D.Neenah, WI 549561407859523
  4. Rex Gromer, MDMenasha, WI 549521992384648
  5. Suhail Hariri, MDFond Du Lac, WI 549351942281068
  6. John Nash, M.D.Fond Du Lac, WI 549351225117245
  7. William Sybesma, MDFond Du Lac, WI 549351093798324
  8. Gregory Swanson, MDAppleton, WI 549151710971783

Common questions

What is Christopher J. Keller, M.D.'s NPI number?

Christopher J. Keller, M.D.'s National Provider Identifier (NPI) is 1437152568, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J. Keller, M.D. located?

The NPPES record lists a practice address at 119 E Bell St, Neenah, WI, 54956. Phone: (920) 969-1768. Providers update this record themselves, so call before visiting.

How can I verify Christopher J. Keller, M.D.'s license?

NPPES lists Wisconsin license number 36490, 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 Christopher J. Keller, M.D. prescribe under Medicare Part D?

In 2024, Christopher J. Keller, M.D. had 440 Medicare Part D claims for 199 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.