Dr. Eric W. Schaefer, MD

  • Chicago, IL
  • Internist
NPI1205915550PAC ID7315097490
Medicare services, 2024
1,289
Medicare patients, 2024
371
Part D claims, 2024
6,149
MIPS score, 2024
95
Hospital affiliations
5
Practice address
251 E Huron St, Chicago, IL 60611
Practice phone
Call (312) 926-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwestern Memorial Hospital

Hospital · Chicago, Illinois

See all 8 affiliations

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Dr. Eric W. Schaefer is an internist in Chicago, Illinois

Dr. Schaefer practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

Dr. Schaefer's NPI, 1205915550, was assigned on November 6, 2006. Dr. Schaefer graduated from State University of New York at Buffalo School of Medicine in 2003. Dr. Schaefer holds Illinois license 036123048.

NPI and contact details
Medicare PAC ID
7315097490
NPI enumeration date
November 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(312) 926-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Eric W. Schaefer practices at Northwestern Memorial Hospital in Chicago, Illinois

Dr. Schaefer's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.

Source: Dmand AI Affiliation Data

Dr. Eric W. Schaefer is affiliated with 7 sites of care and 1 medical group

Dr. Schaefer's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dr. Schaefer is also affiliated with Shirley Ryan AbilityLab. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Schaefer to 3 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 8 affiliations for Dr. Schaefer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Eric W. Schaefer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schaefer practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Memorial HospitalAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Eric W. 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, IllinoisPrimaryLicense 036123048 · taxonomy 207R00000X

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. Eric W. Schaefer billed Medicare for 1,289 services in 2024

CMS data shows 1,289 Medicare services from Dr. Schaefer across 17 procedure codes in 2024, for 371 Medicare patients. Medicare paid $94,085 for them.

Medicare services, 20241,289
Medicare patients371
Paid by Medicare$94,085
Procedure codes17

Dr. Schaefer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5062024: 67533%
Other services
2023: 2212024: 516133%
Tests and treatments
2023: 702024: 9840%

Where Dr. Schaefer's Medicare services took place, 2024

  • In an office1,14589%
  • In a facility14411%

Dr. Schaefer compared with the Illinois median for internists, 2024

  • Dr. Schaefer
  • Illinois median
Medicare services
1,289vs 5662.3 times
Medicare patients
371vs 20878% above
Part D claims
5,424vs 28419.1 times

Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.

Dr. Schaefer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Schaefer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Eric W. Schaefer treated 371 Medicare patients in 2024, average age 75

CMS counts 371 Medicare patients who saw Dr. Schaefer in 2024. The largest group is 65 to 74, with 147 patients. 68% of them have high cholesterol, and 67% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Schaefer's median patient age at 73, with 34% women.

Medicare patients, 2024371
Average age75
Average risk score1.47
Also on Medicaid13%

Dr. Schaefer's Medicare patients by age, 2024

Dr. Schaefer's Medicare patients by sex, 2024

  • Women13135%
  • Men24065%

Chronic conditions among Dr. Schaefer's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure67%
  3. Arthritis40%
  4. Ischemic heart disease36%
  5. Diabetes26%
  6. Chronic kidney disease25%
  7. Cancer24%
  8. Heart failure19%

Share of Medicare patients with each condition. A patient can have several.

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 73

Patient panel by sex, all payers

  • Women34%
  • Men65%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Eric W. Schaefer wrote 6,149 Medicare Part D claims in 2024

In 2024, Dr. Schaefer wrote 6,149 Medicare Part D claims for 440 patients. 87% of them were for generic drugs. CMS names the drug for 5,424 of them, across 107 drugs with 11 or more claims each, at $585,175 in total drug cost. In 2023, CMS named 5,269 claims across 106 drugs.

Part D claims, 20246,149
Drugs named by CMS107
Total drug cost$585,175
Part D patients440

Dr. Schaefer's Part D claims by kind of drug, 2024

  • Generic5,322 claims87%
  • Brand-name776 claims13%
  • Other51 claims1%

Dr. Schaefer'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. Schaefer's Part D claims, 2024

  • Opioids4%265 of 6,149 claims
  • Antibiotics1%89 of 6,149 claims
  • Antipsychotics, patients 65 and over0%16 of 6,149 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: 5,2692024: 5,4243%

Drugs named by CMS: 107 in 2024, 106 in 2023.

See all prescribing by Dr. Schaefer

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

Dr. Eric W. Schaefer scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Schaefer for performance year 2024, reported through an alternative payment model (APM). Dr. Schaefer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Schaefer as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Schaefer's MIPS scores, performance year 2024

  • 95of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Eric W. Schaefer received $47 in industry payments from 2020 to 2022

CMS Open Payments shows 3 general payments to Dr. Schaefer from 2 drug and device companies from 2020 to 2022. Food and beverage make up the largest share, 100% of the total. Curium US LLC paid the most, $35.

General payments to Dr. Schaefer by program year, 2020 to 2022

Companies that paid Dr. Schaefer the most, 2020 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Schaefer

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

Dr. Eric W. Schaefer graduated from State University of New York at Buffalo School of Medicine

Dr. Schaefer graduated from State University of New York at Buffalo School of Medicine in 2003.

  1. Medical schoolState University of New York at Buffalo School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Eric W. Schaefer'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 and Drug (CMS) (opens in a new tab)Medicare 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Eric W. 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. Eric W. Schaefer's NPI number?

Dr. Eric W. Schaefer's NPI number is 1205915550. It was assigned on November 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric W. Schaefer?

Dr. Eric W. Schaefer is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Eric W. Schaefer practice?

Dr. Schaefer practices at 251 E Huron St, Chicago, IL 60611. Dr. Schaefer's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Schaefer to 3 hospitals, 1 group practice or clinic and 1 home health agency.

What is Dr. Eric W. Schaefer's office phone number?

The practice phone on file for Dr. Schaefer is (312) 926-2000.

What is Dr. Eric W. Schaefer's medical license number?

Dr. Schaefer holds Illinois license 036123048.

Which hospitals is Dr. Eric W. Schaefer affiliated with?

Dr. Schaefer practices at Northwestern Memorial Hospital in Chicago, Illinois. Dr. Schaefer is also affiliated with Shirley Ryan AbilityLab. Dmand AI links Dr. Schaefer to 3 more hospitals.

What medical group is Dr. Eric W. Schaefer part of?

Dr. Schaefer is linked to Northwestern Medical Faculty Foundation.

Does Dr. Eric W. Schaefer accept Medicare?

Yes. CMS data shows Dr. Schaefer billed Medicare for 1,289 services in 2024, and Dr. Schaefer accepts Medicare assignment.

Does Dr. Eric W. Schaefer offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Schaefer as offering telehealth services.

What is Dr. Eric W. Schaefer's MIPS score?

Dr. Schaefer's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Eric W. Schaefer see?

CMS counts 371 Medicare patients who saw Dr. Schaefer in 2024, with an average age of 75.

What services does Dr. Eric W. Schaefer bill to Medicare?

In 2024, Dr. Schaefer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

Where did Dr. Eric W. Schaefer go to medical school?

Dr. Schaefer graduated from State University of New York at Buffalo School of Medicine in 2003.

What drugs does Dr. Eric W. Schaefer prescribe most?

In 2024 Medicare Part D data, Dr. Schaefer's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Hydrocodone-Acetaminophen.

Has Dr. Eric W. Schaefer received payments from drug or device companies?

CMS Open Payments shows $47 in general payments to Dr. Schaefer from 2 companies from 2020 to 2022. The largest total came from Curium US LLC.

How long has Dr. Eric W. Schaefer been practicing?

Dr. Schaefer graduated from medical school in 2003, 23 years ago.

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