Dr. William C. Hofmann, MD

  • Watertown, WI
  • Otolaryngologist
NPI1306844949PAC ID7214093368
Medicare services, 2024
441
Medicare patients, 2024
223
Part D claims, 2024
363
Hospital affiliations
2
Industry payments
$70
Practice address
123 Hospital Dr, Watertown, WI 53098
Practice phone
Call (920) 563-6667
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fort Healthcare Inc

Watertown, Wisconsin

See all 4 affiliations

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Dr. William C. Hofmann is an otolaryngologist in Watertown, Wisconsin

Dr. Hofmann practices at Fort Healthcare Inc in Watertown, Wisconsin.

Dr. Hofmann's NPI, 1306844949, was assigned on July 8, 2005. Dr. Hofmann graduated from University of Cincinnati College of Medicine in 1998. Dr. Hofmann holds Wisconsin license 52883-20.

NPI and contact details
Medicare PAC ID
7214093368
NPI enumeration date
July 8, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 563-6667
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. William C. Hofmann practices at Fort Healthcare Inc in Watertown, Wisconsin

Dr. Hofmann's primary practice is Fort Healthcare Inc, at 123 Hospital Dr, Watertown, WI 53098 in Dodge County. The practice phone is (920) 563-6667.

  • Fort Healthcare Inc
    123 Hospital Dr, Watertown, WI 53098 · Dodge CountyPhone(920) 563-6667

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William C. Hofmann is affiliated with 3 sites of care and 1 medical group

Dr. Hofmann's primary practice is Fort Healthcare Inc in Watertown, Wisconsin. Dr. Hofmann is also affiliated with Watertown Regional Medical Center. The medical group on file is Fort HealthCare. Dmand AI also links Dr. Hofmann to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Hofmann

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William C. Hofmann's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hofmann practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fort Healthcare IncAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William C. Hofmann is one of 185 otolaryngologists in Wisconsin

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

Specialties and state licenses

  • Otolaryngology, WisconsinPrimaryLicense 52883-20 · taxonomy 207Y00000X

Otolaryngologists near Dr. Hofmann

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

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

Dr. William C. Hofmann billed Medicare for 441 services in 2024

CMS data shows 441 Medicare services from Dr. Hofmann across 9 procedure codes in 2024, for 223 Medicare patients. Medicare paid $20,516 for them.

Medicare services, 2024441
Medicare patients223
Paid by Medicare$20,516
Procedure codes9

Dr. Hofmann's Medicare services by type, 2024

  1. Office and hospital visits359
  2. Surgery82

Where Dr. Hofmann's Medicare services took place, 2024

  • In an office42797%
  • In a facility143%

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

  • Dr. Hofmann
  • Wisconsin median
Medicare services
441vs 26765% above
Medicare patients
223vs 17031% above
Part D claims
262vs 1302.0 times

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

Dr. Hofmann'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.

See all procedures by Dr. Hofmann

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hofmann 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. William C. Hofmann treated 223 Medicare patients in 2024, average age 74

CMS counts 223 Medicare patients who saw Dr. Hofmann in 2024. The largest group is 65 to 74, with 106 patients. 74% of them have high cholesterol, and 70% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hofmann's median patient age at 48, with 56% women.

Medicare patients, 2024223
Average age74
Average risk score1.07
Also on Medicaid12%

Dr. Hofmann's Medicare patients by age, 2024

Dr. Hofmann's Medicare patients by sex, 2024

  • Women12054%
  • Men10346%

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

  1. High cholesterol74%
  2. High blood pressure70%
  3. Arthritis43%
  4. Diabetes27%
  5. Anxiety26%
  6. Ischemic heart disease23%
  7. Mood disorders22%
  8. Atrial fibrillation20%

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

Dr. Hofmann's patients across all payers

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

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. William C. Hofmann wrote 363 Medicare Part D claims in 2024

In 2024, Dr. Hofmann wrote 363 Medicare Part D claims for 163 patients. 98% of them were for generic drugs. CMS names the drug for 262 of them, across 12 drugs with 11 or more claims each, at $4,486 in total drug cost.

Part D claims, 2024363
Drugs named by CMS12
Total drug cost$4,486
Part D patients163

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

  • Generic355 claims98%
  • Brand-name and other8 claims2%

Dr. Hofmann'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. Hofmann's Part D claims, 2024

  • Opioids4%15 of 363 claims
  • Antibiotics7%24 of 363 claims

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

See all prescribing by Dr. Hofmann

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. William C. Hofmann takes part in Medicare

Dr. Hofmann 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. William C. Hofmann received $70 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Hofmann from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Inspire Medical Systems, Inc. paid the most, $70.

Companies that paid Dr. Hofmann the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Hofmann

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

Dr. William C. Hofmann graduated from University of Cincinnati College of Medicine

Dr. Hofmann graduated from University of Cincinnati College of Medicine in 1998.

  1. Medical schoolUniversity of Cincinnati College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. William C. Hofmann'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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. William C. Hofmann

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. William C. Hofmann's NPI number?

Dr. William C. Hofmann's NPI number is 1306844949. It was assigned on July 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William C. Hofmann?

Dr. William C. Hofmann is an otolaryngologist in Watertown, Wisconsin. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. William C. Hofmann practice?

Dr. Hofmann practices at 123 Hospital Dr, Watertown, WI 53098. Dr. Hofmann's primary practice is Fort Healthcare Inc in Watertown, Wisconsin. Dmand AI also links Dr. Hofmann to 1 hospital.

What is Dr. William C. Hofmann's office phone number?

The practice phone on file for Dr. Hofmann is (920) 563-6667.

What is Dr. William C. Hofmann's medical license number?

Dr. Hofmann holds Wisconsin license 52883-20.

Which hospitals is Dr. William C. Hofmann affiliated with?

Dr. Hofmann is affiliated with Watertown Regional Medical Center. Dmand AI links Dr. Hofmann to 1 more hospital.

What medical group is Dr. William C. Hofmann part of?

Dr. Hofmann is linked to Fort HealthCare.

Does Dr. William C. Hofmann accept Medicare?

Yes. CMS data shows Dr. Hofmann billed Medicare for 441 services in 2024, and Dr. Hofmann accepts Medicare assignment.

How many Medicare patients does Dr. William C. Hofmann see?

CMS counts 223 Medicare patients who saw Dr. Hofmann in 2024, with an average age of 74.

What services does Dr. William C. Hofmann bill to Medicare?

In 2024, Dr. Hofmann's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and office visit, established patient (99214).

Show 4 more questionsShow fewer questions

Where did Dr. William C. Hofmann go to medical school?

Dr. Hofmann graduated from University of Cincinnati College of Medicine in 1998.

What drugs does Dr. William C. Hofmann prescribe most?

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

Has Dr. William C. Hofmann received payments from drug or device companies?

CMS Open Payments shows $70 in general payments to Dr. Hofmann from 1 company from 2024 to 2024. The largest total came from Inspire Medical Systems, Inc.

How long has Dr. William C. Hofmann been practicing?

Dr. Hofmann graduated from medical school in 1998, 28 years ago.

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