John Schaefer, M.D.
NPI 1932142908 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Schaefer, M.D. is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1932142908).
Provider details
- NPI number
- 1932142908
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01031174 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 223 | 107 |
| Amlodipine Besylate | 185 | 78 |
| Levothyroxine Sodium | 174 | 73 |
| Rosuvastatin Calcium | 129 | 56 |
| Losartan Potassium | 106 | 50 |
| Lisinopril | 95 | 46 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2021-01-11
- Certified
- 2021-01-11
Frequently asked questions
- What is John Schaefer's NPI number?
- John Schaefer's National Provider Identifier (NPI) is 1932142908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Schaefer's specialty?
- John Schaefer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Schaefer located?
- John Schaefer's practice location on file with NPPES is 1801 N Senate Blvd, Indianapolis, IN 46202-1245.
- What is John Schaefer's phone number?
- The practice phone number listed in the NPPES registry for John Schaefer is (317) 962-5807.
- Does John Schaefer accept Medicare?
- John Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Schaefer's NPI active?
- Yes — John Schaefer's NPI (1932142908) is active in the NPPES registry as of the last update on 2021-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.