William W. Gunderson
- Medicare services, 2024
- 118
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 187
- Hospital affiliations
- 1
- Industry payments
- $153
- Practice address
- 929 North St Francis Street, Wichita, KS 67214
- Practice phone
- Call (316) 268-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Gunderson's professional email, personal email and mobile number
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William W. Gunderson is an internist in Wichita, Kansas
William Gunderson practices at Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance.
William Gunderson's NPI, 1790359198, was assigned on May 19, 2021. William Gunderson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2021. William Gunderson holds Kansas license 94-10511.
- NPI
- 1790359198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567866981
- NPI enumeration date
- May 19, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (316) 268-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William W. Gunderson practices at Ascension Via Christi St. Francis in Wichita, Kansas
William Gunderson's primary practice is Ascension Via Christi St. Francis, at 929 North St Francis Street, Wichita, KS 67214 in Sedgwick County. The practice phone is (316) 268-5000.
- Ascension Via Christi St. Francis929 North St Francis Street, Wichita, KS 67214 · Sedgwick CountyPhone(316) 268-5000
Source: Dmand AI Affiliation Data
William W. Gunderson is affiliated with 2 sites of care and 1 medical group
William Gunderson's primary practice is Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance. The medical group on file is Sound Physicians. Dmand AI also links William Gunderson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William W. Gunderson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Gunderson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Via Christi St. Francis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
William W. Gunderson is one of 866 internists in Kansas
Internal medicine is William Gunderson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. William Gunderson is licensed in Kansas.
Specialties and state licenses
- Internal medicine, KansasPrimary
Internists near William Gunderson
Counts of internists 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
William W. Gunderson billed Medicare for 118 services in 2024
CMS data shows 118 Medicare services from William Gunderson across 4 procedure codes in 2024, for 46 Medicare patients. Medicare paid $9,810 for them. Every service was in a facility, such as a hospital, rather than an office.
William Gunderson compared with the Kansas median for internists, 2024
- William Gunderson
- Kansas median
- Medicare services
- 118vs 68183% below
- Medicare patients
- 46vs 25382% below
- Part D claims
- 55vs 17969% below
Medians across 820 internists in Kansas with Dmand AI profiles that report each measure.
William Gunderson'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 William Gunderson and other internists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William W. Gunderson treated 46 Medicare patients in 2024, average age 71
CMS counts 46 Medicare patients who saw William Gunderson in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.20, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Gunderson's median patient age at 72, with 47% women.
William Gunderson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Gunderson's Medicare patients by sex, 2024
- Women2554%
- Men2146%
Chronic conditions among William Gunderson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Chronic kidney disease54%
- COPD50%
- Ischemic heart disease50%
- Heart failure46%
- Depression43%
Share of Medicare patients with each condition. A patient can have several.
William Gunderson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William W. Gunderson wrote 187 Medicare Part D claims in 2024
In 2024, William Gunderson wrote 187 Medicare Part D claims for 48 patients. 79% of them were for generic drugs. CMS names the drug for 55 of them, across 4 drugs with 11 or more claims each, at $7,666 in total drug cost. In 2023, CMS named 73 claims across 6 drugs.
William Gunderson's Part D claims by kind of drug, 2024
- Generic147 claims79%
- Brand-name40 claims21%
William Gunderson'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 William Gunderson's Part D claims, 2024
- Antibiotics7%13 of 187 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: 732024: 5525%
Drugs named by CMS: 4 in 2024, 6 in 2023.
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 William W. Gunderson takes part in Medicare
William Gunderson 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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William W. Gunderson received $153 in industry payments from 2023 to 2025
CMS Open Payments shows 9 general payments to William Gunderson from 8 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $39.
General payments to William Gunderson by program year, 2023 to 2025
Companies that paid William Gunderson the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William W. Gunderson graduated from University of Kansas School of Med (KC/Wich/Sal)
William Gunderson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William W. Gunderson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William W. Gunderson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William W. Gunderson's NPI number?
William W. Gunderson's NPI number is 1790359198. It was assigned on May 19, 2021, and it is active in the NPI Registry.
What does William W. Gunderson specialize in?
William W. Gunderson is an internist in Wichita, Kansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does William W. Gunderson practice?
William Gunderson practices at 929 North St Francis Street, Wichita, KS 67214. William Gunderson's primary practice is Ascension Via Christi St. Francis in Wichita, Kansas, part of Ascension Health Alliance. Dmand AI also links William Gunderson to 1 group practice or clinic.
What is William W. Gunderson's office phone number?
The practice phone on file for William Gunderson is (316) 268-5000.
What is William W. Gunderson's medical license number?
William Gunderson holds Kansas license 94-10511.
Which hospitals is William W. Gunderson affiliated with?
William Gunderson practices at Ascension Via Christi St. Francis in Wichita, Kansas.
What medical group is William W. Gunderson part of?
William Gunderson is linked to Sound Physicians.
Does William W. Gunderson accept Medicare?
Yes. CMS data shows William Gunderson billed Medicare for 118 services in 2024, and William Gunderson accepts Medicare assignment.
How many Medicare patients does William W. Gunderson see?
CMS counts 46 Medicare patients who saw William Gunderson in 2024, with an average age of 71.
What services does William W. Gunderson bill to Medicare?
In 2024, William Gunderson's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Show 4 more questionsShow fewer questions
Where did William W. Gunderson go to medical school?
William Gunderson graduated from University of Kansas School of Med (KC/Wich/Sal) in 2021.
What drugs does William W. Gunderson prescribe most?
In 2024 Medicare Part D data, William Gunderson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Eliquis.
Has William W. Gunderson received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to William Gunderson from 8 companies from 2023 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has William W. Gunderson been practicing?
William Gunderson graduated from medical school in 2021, 5 years ago.
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