Jack Enoch Madsen IV, DPM

  • Fontana, CA
  • Podiatrist
NPI1780943043PAC ID1850607334
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

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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 and contact details
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
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Mobile number
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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.

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.

EHR by site
SiteEHR vendor and product
Fontana Medical CenterAvailable 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, GeorgiaPrimaryLicense POD001281 · taxonomy 213E00000X

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.

Medicare patients, 202418
Average age58
Average risk score2.20

Chronic conditions among Jack Madsen's Medicare patients, 2024

  1. Diabetes75%
  2. High blood pressure75%
  3. 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.

Part D claims, 202494
Part D patients57

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

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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.

See all payments to Jack Madsen

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

Sources for Jack Enoch Madsen IV'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 DataDmand AI Org Hierarchy Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 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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