Dr. David Schaefer, DO
- Hospital affiliations
- 1
- Industry payments
- $83
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 820 S Damen Street, Chicago, IL 60612
- Practice phone
- Call (312) 569-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Schaefer'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. David Schaefer is an internist in Chicago, Illinois
Dr. Schaefer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
Dr. Schaefer's NPI, 1841466570, was assigned on May 2, 2008. Dr. Schaefer holds Illinois license 125-050127.
- NPI
- 1841466570NPI Registry (opens in a new tab)
- NPI enumeration date
- May 2, 2008
- NPI status
- Active
- Practice phone
- (312) 569-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Schaefer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois
Dr. Schaefer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center, at 820 S Damen Street, Chicago, IL 60612 in Cook County. The practice phone is (312) 569-8387.
- Jesse Brown Department of Veterans Affairs Medical Center820 S Damen Street, Chicago, IL 60612 · Cook CountyPhone(312) 569-8387
Source: Dmand AI Affiliation Data
Dr. David Schaefer is affiliated with 1 site of care
Dr. Schaefer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration. Dr. Schaefer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Schaefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaefer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jesse Brown Department of Veterans Affairs Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. David Schaefer is one of 5,652 internists in Illinois
Internal medicine is Dr. Schaefer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Schaefer is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Schaefer
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. David Schaefer's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Schaefer's median patient age at 50, with 50% women.
Dr. Schaefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. David Schaefer received $83 in industry payments from 2018 to 2019
CMS Open Payments shows 4 general payments to Dr. Schaefer from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Flexion Therapeutics, Inc. paid the most, $61.
General payments to Dr. Schaefer by program year, 2018 to 2019
Companies that paid Dr. Schaefer the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Schaefer'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 Data |
| 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 Dr. David Schaefer
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. David Schaefer's NPI number?
Dr. David Schaefer's NPI number is 1841466570. It was assigned on May 2, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. David Schaefer?
Dr. David Schaefer is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Schaefer practice?
Dr. Schaefer practices at 820 S Damen Street, Chicago, IL 60612. Dr. Schaefer's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.
What is Dr. David Schaefer's office phone number?
The practice phone on file for Dr. Schaefer is (312) 569-8387.
What is Dr. David Schaefer's medical license number?
Dr. Schaefer holds Illinois license 125-050127.
Which hospitals is Dr. David Schaefer affiliated with?
Dr. Schaefer practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois.
Has Dr. David Schaefer received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Dr. Schaefer from 2 companies from 2018 to 2019. The largest total came from Flexion Therapeutics, Inc.
How long has Dr. David Schaefer been practicing?
Dr. Schaefer's NPI was assigned in 2008.
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