Eric Schaefer, M.D.
NPI 1205915550 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Schaefer, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1205915550).
Provider details
- NPI number
- 1205915550
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036123048 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,227 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 302 | $135 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 297 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 175 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 155 | $97 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 74 | $83 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 520 | 143 |
| Amlodipine Besylate | 293 | 82 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 194 | 35 |
| Lisinopril | 185 | 52 |
| Tamsulosin Hcl | 180 | 49 |
| Metformin Hcl | 170 | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2019-04-18
Frequently asked questions
- What is Eric Schaefer's NPI number?
- Eric Schaefer's National Provider Identifier (NPI) is 1205915550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Schaefer's specialty?
- Eric Schaefer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Schaefer located?
- Eric Schaefer's practice location on file with NPPES is 675 N Saint Clair St Ste 18-200, Chicago, IL 60611-5929.
- What is Eric Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Eric Schaefer is (312) 695-8630.
- Does Eric Schaefer accept Medicare?
- Eric Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Schaefer's NPI active?
- Yes — Eric Schaefer's NPI (1205915550) is active in the NPPES registry as of the last update on 2019-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.