Jack Enoch Madsen IV, DPM
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 94
- Hospital affiliations
- 1
- Industry payments
- $36
- Medical group
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jack Madsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Jack Enoch Madsen IV is a podiatrist in Fontana, California
Jack Madsen practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Jack Madsen's NPI, 1780943043, was assigned on May 8, 2012. Jack Madsen holds Georgia license POD001281.
- NPI
- 1780943043NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850607334
- NPI enumeration date
- May 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jack Enoch Madsen IV practices at Fontana Medical Center in Fontana, California
Jack Madsen's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Jack Enoch Madsen IV is affiliated with 1 site of care and 1 medical group
Jack Madsen's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jack Enoch Madsen IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jack Madsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Jack Enoch Madsen IV is one of 745 podiatrists in California
Podiatrist is Jack Madsen's primary specialty in the NPI Registry, under taxonomy code 213E00000X. Jack Madsen is licensed in Georgia.
Specialties and state licenses
- Podiatrist, GeorgiaPrimary
Podiatrists near Jack Madsen
Counts of podiatrists 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
Jack Enoch Madsen IV treated 18 Medicare patients in 2024, average age 58
CMS counts 18 Medicare patients who saw Jack Madsen in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 2.20, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jack Madsen's median patient age at 56, with 58% women.
Chronic conditions among Jack Madsen's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol61%
Share of Medicare patients with each condition. A patient can have several.
Jack Madsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jack Enoch Madsen IV wrote 94 Medicare Part D claims in 2024
In 2024, Jack Madsen wrote 94 Medicare Part D claims for 57 patients. 87% of them were for generic drugs.
Jack Madsen's Part D claims by kind of drug, 2024
- Generic82 claims87%
- Brand-name12 claims13%
Drug classes CMS tracks in Jack Madsen's Part D claims, 2024
- Opioids21%20 of 94 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Jack Enoch Madsen IV takes part in Medicare
Jack Madsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Jack Enoch Madsen IV received $36 in industry payments in 2025
CMS Open Payments shows 1 general payment to Jack Madsen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $36.
Companies that paid Jack Madsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jack Enoch Madsen IV'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 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 (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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Jack Enoch Madsen IV
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jack Enoch Madsen IV's NPI number?
Jack Enoch Madsen IV's NPI number is 1780943043. It was assigned on May 8, 2012, and it is active in the NPI Registry.
What does Jack Enoch Madsen IV specialize in?
Jack Enoch Madsen IV is a podiatrist in Fontana, California. The primary specialty in the NPI Registry is Podiatrist (taxonomy code 213E00000X).
Where does Jack Enoch Madsen IV practice?
Jack Madsen practices at 9961 Sierra Ave, Fontana, CA 92335. Jack Madsen's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Jack Enoch Madsen IV's office phone number?
The practice phone on file for Jack Madsen is (909) 427-5000.
What is Jack Enoch Madsen IV's medical license number?
Jack Madsen holds Georgia license POD001281.
Which hospitals is Jack Enoch Madsen IV affiliated with?
Jack Madsen practices at Fontana Medical Center in Fontana, California.
What medical group is Jack Enoch Madsen IV part of?
Jack Madsen is linked to Southern California Permanente Medical Group.
Does Jack Enoch Madsen IV accept Medicare?
Yes. CMS lists Jack Madsen as accepting Medicare assignment.
How many Medicare patients does Jack Enoch Madsen IV see?
CMS counts 18 Medicare patients who saw Jack Madsen in 2024, with an average age of 58.
Has Jack Enoch Madsen IV received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Jack Madsen from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Jack Enoch Madsen IV been practicing?
Jack Madsen graduated from medical school in 2012, 14 years ago.
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