Dr. John J. Nash, MD

  • Fond Du Lac, WI
  • Otolaryngologist
NPI1225117245PAC ID4284803727
Medicare services, 2024
378
Medicare patients, 2024
176
Part D claims, 2024
469
Publications
5
Hospital affiliations
1
Practice address
421 Camelot Dr, Fond Du Lac, WI 54935
Practice phone
Call (920) 926-5900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fond Du Lac Surgery Center

Surgery Center - Not Medicare-Certified · Fond Du Lac, Wisconsin

See all 4 affiliations

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Dr. John J. Nash is an otolaryngologist in Fond Du Lac, Wisconsin

Dr. Nash practices at Fond Du Lac Surgery Center in Fond Du Lac, Wisconsin.

Dr. Nash's NPI, 1225117245, was assigned on November 2, 2006. Dr. Nash graduated from Medical College of Wisconsin in 2006. Dr. Nash holds Wisconsin license 50889.

NPI and contact details
Medicare PAC ID
4284803727
NPI enumeration date
November 2, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 926-5900
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John J. Nash practices at Fond Du Lac Surgery Center in Fond Du Lac, Wisconsin

Dr. Nash's primary practice is Fond Du Lac Surgery Center, at 421 Camelot Dr, Fond Du Lac, WI 54935. The practice phone is (920) 926-5900.

  • Fond Du Lac Surgery Center
    421 Camelot Dr, Fond Du Lac, WI 54935Phone(920) 926-5900

Source: Dmand AI Affiliation Data

Dr. John J. Nash is affiliated with 3 sites of care and 1 medical group

Dr. Nash's primary practice is Fond Du Lac Surgery Center in Fond Du Lac, Wisconsin. Dr. Nash is also affiliated with SSM Health St. Agnes Hospital - Fond du Lac. The medical group on file is SSM Health St. Agnes Hospital - Fond du Lac. Dmand AI also links Dr. Nash to 1 more group practice or clinic, named with a free account. Dr. Nash's employer is on file too: a surgery center (asc).

See all 4 affiliations for Dr. Nash

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John J. Nash's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nash practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fond Du Lac Surgery CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John J. Nash is one of 185 otolaryngologists in Wisconsin

Otolaryngology is Dr. Nash's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Nash is licensed in Wisconsin.

Specialties and state licenses

  • Otolaryngology, WisconsinPrimaryLicense 50889 · taxonomy 207Y00000X

Otolaryngologists near Dr. Nash

Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.

185otolaryngologists in Wisconsin
2otolaryngologists in Fond Du Lac

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John J. Nash billed Medicare for 378 services in 2024

CMS data shows 378 Medicare services from Dr. Nash across 9 procedure codes in 2024, for 176 Medicare patients. Medicare paid $30,811 for them. Every service was in an office.

Medicare services, 2024378
Medicare patients176
Paid by Medicare$30,811
Procedure codes9

Dr. Nash's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1772024: 19611%
Surgery
2023: 1742024: 1693%
Tests and treatments
2023: 252024: 1348%

Dr. Nash compared with the Wisconsin median for otolaryngologists, 2024

  • Dr. Nash
  • Wisconsin median
Medicare services
378vs 26742% above
Medicare patients
176vs 170Close to median
Part D claims
387vs 1303.0 times

Medians across 200 otolaryngologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Nash's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nash and other otolaryngologists in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John J. Nash treated 176 Medicare patients in 2024, average age 73

CMS counts 176 Medicare patients who saw Dr. Nash in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nash's median patient age at 59, with 53% women.

Medicare patients, 2024176
Average age73
Average risk score1.25
Also on Medicaid10%

Dr. Nash's Medicare patients by age, 2024

Dr. Nash's Medicare patients by sex, 2024

  • Women10560%
  • Men7140%

Chronic conditions among Dr. Nash's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis44%
  4. Anxiety30%
  5. Diabetes29%
  6. Ischemic heart disease26%
  7. Chronic kidney disease24%
  8. Atrial fibrillation20%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nash's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John J. Nash wrote 469 Medicare Part D claims in 2024

In 2024, Dr. Nash wrote 469 Medicare Part D claims for 187 patients. 90% of them were for generic drugs. CMS names the drug for 387 of them, across 12 drugs with 11 or more claims each, at $14,752 in total drug cost. In 2023, CMS named 346 claims across 11 drugs.

Part D claims, 2024469
Drugs named by CMS12
Total drug cost$14,752
Part D patients187

Dr. Nash's Part D claims by kind of drug, 2024

  • Generic422 claims90%
  • Brand-name47 claims10%

Dr. Nash's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Nash's Part D claims, 2024

  • Antibiotics8%39 of 469 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3462024: 38712%

Drugs named by CMS: 12 in 2024, 11 in 2023.

See all prescribing by Dr. Nash

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. John J. Nash takes part in Medicare

Dr. Nash accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John J. Nash has 5 publications on record

Dmand AI links 5 papers to Dr. Nash, published from 2010 to 2011. Dr. Nash's most frequent co-authors are David R. Friedland, MD, PhD, David M. Poetker, MD and Joseph Anthony Bovi, MD.

Papers5
Years published2010 to 2011

Dr. Nash's most frequent co-authors

Recent publications by Dr. Nash

See all 5 publications and co-authors

See who Dr. Nash researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nash works with, so you can find a warm path to the right otolaryngologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John J. Nash received $114 in industry payments from 2016 to 2023

CMS Open Payments shows 4 general payments to Dr. Nash from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $33.

General payments to Dr. Nash by program year, 2016 to 2023

Companies that paid Dr. Nash the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Nash

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John J. Nash graduated from Medical College of Wisconsin

Dr. Nash graduated from Medical College of Wisconsin in 2006.

  1. Medical schoolMedical College of Wisconsin

Source: Dmand AI Professional Profile Data

Sources for Dr. John J. Nash's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John J. Nash

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John J. Nash's NPI number?

Dr. John J. Nash's NPI number is 1225117245. It was assigned on November 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John J. Nash?

Dr. John J. Nash is an otolaryngologist in Fond Du Lac, Wisconsin. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. John J. Nash practice?

Dr. Nash practices at 421 Camelot Dr, Fond Du Lac, WI 54935. Dr. Nash's primary practice is Fond Du Lac Surgery Center in Fond Du Lac, Wisconsin. Dmand AI also links Dr. Nash to 1 group practice or clinic.

What is Dr. John J. Nash's office phone number?

The practice phone on file for Dr. Nash is (920) 926-5900.

What is Dr. John J. Nash's medical license number?

Dr. Nash holds Wisconsin license 50889.

Which hospitals is Dr. John J. Nash affiliated with?

Dr. Nash is affiliated with SSM Health St. Agnes Hospital - Fond du Lac.

What medical group is Dr. John J. Nash part of?

Dr. Nash is linked to SSM Health St. Agnes Hospital - Fond du Lac.

Does Dr. John J. Nash accept Medicare?

Yes. CMS data shows Dr. Nash billed Medicare for 378 services in 2024, and Dr. Nash accepts Medicare assignment.

How many Medicare patients does Dr. John J. Nash see?

CMS counts 176 Medicare patients who saw Dr. Nash in 2024, with an average age of 73.

What services does Dr. John J. Nash bill to Medicare?

In 2024, Dr. Nash's most billed Medicare services were surgery: lungs and airway (31575), surgery: lungs and airway (31231) and office visit, established patient (99213).

Show 6 more questionsShow fewer questions

Where did Dr. John J. Nash go to medical school?

Dr. Nash graduated from Medical College of Wisconsin in 2006.

What drugs does Dr. John J. Nash prescribe most?

In 2024 Medicare Part D data, Dr. Nash's most prescribed drugs by claims were Azelastine HCl, Ipratropium Bromide and Fluticasone Propionate.

Has Dr. John J. Nash received payments from drug or device companies?

CMS Open Payments shows $114 in general payments to Dr. Nash from 4 companies from 2016 to 2023. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. John J. Nash been practicing?

Dr. Nash graduated from medical school in 2006, 20 years ago.

Does Dr. John J. Nash do research?

Dmand AI links 5 publications to Dr. Nash, published from 2010 to 2011.

Who does Dr. John J. Nash publish with?

Dr. Nash's most frequent co-authors are David R. Friedland, MD, PhD (3 shared papers), David M. Poetker, MD (2 shared papers) and Joseph Anthony Bovi, MD (1 shared paper).

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