Dr. Michael Gene Feinzimer, MD
- Medicare services, 2019
- 928
- Part D claims, 2024
- 50
- Hospital affiliations
- 1
- Medical groups
- 3
- State license
- 1
- Practice address
- 5145 N California Ave, Chicago, IL 60625
- Practice phone
- Call (773) 878-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Feinzimer'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. Michael Gene Feinzimer is a hospitalist in Chicago, Illinois
Dr. Feinzimer practices at Swedish Hospital in Chicago, Illinois, part of Endeavor Health.
Dr. Feinzimer's NPI, 1457455065, was assigned on September 12, 2006. Dr. Feinzimer holds Illinois license 036043389.
- NPI
- 1457455065NPI Registry (opens in a new tab)
- NPI enumeration date
- September 12, 2006
- NPI status
- Active
- Practice phone
- (773) 878-8200
- 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. Michael Gene Feinzimer practices at Swedish Hospital in Chicago, Illinois
Dr. Feinzimer's primary practice is Swedish Hospital, at 5145 N California Ave, Chicago, IL 60625 in Cook County. The practice phone is (773) 878-8200.
- Swedish Hospital5145 N California Ave, Chicago, IL 60625 · Cook CountyPhone(773) 878-8200
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Gene Feinzimer is affiliated with 1 site of care and 3 medical groups
Dr. Feinzimer's primary practice is Swedish Hospital in Chicago, Illinois, part of Endeavor Health. The medical group on file is Erie Family Health Centers. Dmand AI also links Dr. Feinzimer to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Gene Feinzimer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feinzimer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Swedish Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Gene Feinzimer is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Feinzimer's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Feinzimer is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Feinzimer
Counts of hospitalists 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. Michael Gene Feinzimer billed Medicare for 928 services in 2019
CMS data shows 928 Medicare services from Dr. Feinzimer across 7 procedure codes in 2019. Medicare paid $69,514 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Feinzimer's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 4522019: 928105%
Dr. Feinzimer compared with the Illinois median for hospitalists, 2019
- Dr. Feinzimer
- Illinois median
- Medicare services
- 928vs 54371% above
- Part D claims
- 15vs 5372% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Feinzimer's most billed Medicare procedure codes, 2019
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Gene Feinzimer's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Feinzimer's median patient age at 64, with 46% women.
Dr. Feinzimer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Michael Gene Feinzimer wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Feinzimer wrote 50 Medicare Part D claims. 96% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $237 in total drug cost. In 2023, CMS named 21 claims across 1 drug.
Dr. Feinzimer's Part D claims by kind of drug, 2024
- Generic48 claims96%
- Brand-name and other2 claims4%
Dr. Feinzimer'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. Feinzimer's Part D claims, 2024
- Opioids30%15 of 50 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: 212024: 1529%
Drugs named by CMS: 1 in 2024, 1 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
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Sources for Dr. Michael Gene Feinzimer'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)Dmand 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 Data |
| 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) |
| 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. Michael Gene Feinzimer
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. Michael Gene Feinzimer's NPI number?
Dr. Michael Gene Feinzimer's NPI number is 1457455065. It was assigned on September 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Gene Feinzimer?
Dr. Michael Gene Feinzimer is a hospitalist in Chicago, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Michael Gene Feinzimer practice?
Dr. Feinzimer practices at 5145 N California Ave, Chicago, IL 60625. Dr. Feinzimer's primary practice is Swedish Hospital in Chicago, Illinois, part of Endeavor Health. Dmand AI also links Dr. Feinzimer to 2 medical groups.
What is Dr. Michael Gene Feinzimer's office phone number?
The practice phone on file for Dr. Feinzimer is (773) 878-8200.
What is Dr. Michael Gene Feinzimer's medical license number?
Dr. Feinzimer holds Illinois license 036043389.
Which hospitals is Dr. Michael Gene Feinzimer affiliated with?
Dr. Feinzimer practices at Swedish Hospital in Chicago, Illinois.
What medical group is Dr. Michael Gene Feinzimer part of?
Dr. Feinzimer is linked to Erie Family Health Centers. Dmand AI links Dr. Feinzimer to 2 more medical groups.
Does Dr. Michael Gene Feinzimer accept Medicare?
Yes. CMS data shows Dr. Feinzimer billed Medicare for 928 services in 2019.
What services does Dr. Michael Gene Feinzimer bill to Medicare?
In 2019, Dr. Feinzimer's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
What drugs does Dr. Michael Gene Feinzimer prescribe most?
In 2024 Medicare Part D data, Dr. Feinzimer's most prescribed drugs by claims were Tramadol HCl.
How long has Dr. Michael Gene Feinzimer been practicing?
Dr. Feinzimer's NPI was assigned in 2006.
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