Dr. John M. Fedack, MD
- Part D claims, 2022
- 15
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 5257 S Wadsworth Blvd, Littleton, CO 80123-2228
- Practice phone
- Call (303) 338-4545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Southwest Medical Offices
Primary care practice · Littleton, Colorado
Find Dr. Fedack'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.
Dr. John M. Fedack is an internist in Littleton, Colorado
Dr. Fedack practices at Kaiser Permanente Southwest Medical Offices in Littleton, Colorado.
Dr. Fedack's NPI, 1598809394, was assigned on February 16, 2007. Dr. Fedack holds Colorado license 26264.
- NPI
- 1598809394NPI Registry (opens in a new tab)
- NPI enumeration date
- February 16, 2007
- NPI status
- Active
- Practice phone
- (303) 338-4545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Fedack practices at Kaiser Permanente Southwest Medical Offices in Littleton, Colorado
Dr. Fedack's primary practice is Kaiser Permanente Southwest Medical Offices, at 5257 S Wadsworth Blvd, Littleton, CO 80123-2228. The practice phone is (303) 338-4545.
- Kaiser Permanente Southwest Medical Offices5257 S Wadsworth Blvd, Littleton, CO 80123-2228Phone(303) 338-4545
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Fedack is affiliated with 1 site of care and 1 medical group
Dr. Fedack's primary practice is Kaiser Permanente Southwest Medical Offices in Littleton, Colorado. Dmand AI also links Dr. Fedack to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John M. Fedack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fedack practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Southwest Medical Offices | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. Fedack is one of 1,668 internists in Colorado
Internal medicine is Dr. Fedack's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fedack is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Fedack
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
Dr. John M. Fedack's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Fedack's median patient age at 84, with 67% women.
Dr. Fedack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. John M. Fedack wrote 15 Medicare Part D claims in 2022
In 2022, Dr. Fedack wrote 15 Medicare Part D claims. They cover 1 drug, with $765 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Dr. Fedack's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 242022: 1538%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. John M. Fedack'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Dr. John M. Fedack
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 M. Fedack's NPI number?
Dr. John M. Fedack's NPI number is 1598809394. It was assigned on February 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Fedack?
Dr. John M. Fedack is an internist in Littleton, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John M. Fedack practice?
Dr. Fedack practices at 5257 S Wadsworth Blvd, Littleton, CO 80123-2228. Dr. Fedack's primary practice is Kaiser Permanente Southwest Medical Offices in Littleton, Colorado. Dmand AI also links Dr. Fedack to 1 medical group.
What is Dr. John M. Fedack's office phone number?
The practice phone on file for Dr. Fedack is (303) 338-4545.
What is Dr. John M. Fedack's medical license number?
Dr. Fedack holds Colorado license 26264.
What drugs does Dr. John M. Fedack prescribe most?
In 2022 Medicare Part D data, Dr. Fedack's most prescribed drugs by claims were Adacel Tdap.
How long has Dr. John M. Fedack been practicing?
Dr. Fedack's NPI was assigned in 2007.
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