NPPES file of Aug 9, 2026

John F. Schaefer, M.D.

Internal Medicine Physician · Indianapolis, IN

John F. Schaefer, M.D. is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1932142908, issued on Jun 14, 2006. Check the license (Indiana 01031174, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932142908
Name
John F. Schaefer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01031174 IN
Self-reported in NPPES; status is on the state search
Practice location
1801 N Senate Blvd, Indianapolis, IN 46202
Phone
(317) 962-5807
Enumerated
Jun 14, 2006
Record last updated
Jan 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(317) 962-5859
Medicaid ID
100236110 IN
Medicare enrollment
Enrolled (PECOS I20100610000263); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1801 N Senate Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha AmoreAcute Care Nurse Practitioner1083167613
  2. Lissa Anderson, NPGerontology Nurse Practitioner1518630060
  3. Hanaa Aridi, MD, MSVascular Surgery Physician1871122390
  4. Benjamin Aumiller, M.D.Student in an Organized Health Care Education/Training Program1992024913
  5. Shelby Baker, N.P.Nephrology Physician1700884319
  6. David Batt, MDRheumatology Physician1972547529

Verify John F. Schaefer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01031174
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,014 Medicare Part D claims for 470 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.

  1. John Schaefer3,014
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium223 claims
  2. Amlodipine Besylate185 claims
  3. Levothyroxine Sodium174 claims
  4. Rosuvastatin Calcium129 claims
  5. Losartan Potassium106 claims
  6. Lisinopril95 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. IU Health Medical Group LLCIndianapolis, IN
  2. University Family Physicians, Inc.Indianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John F. Schaefer among 2,109 internal medicine physician records in Indiana

John F. Schaefer, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 54% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1981 · median 2005 among the 1,448 with a school on file
  • Record last updated2021 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

699 internal medicine physician records list a practice address in Indianapolis

They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Todd Biggerstaff, MDIndianapolis, IN 462021891796157
  2. Wayne Ellis, MDIndianapolis, IN 462021508848102
  3. Mason Goodman, MDIndianapolis, IN 462021508848433
  4. Areeba Kara, M.D.Indianapolis, IN 462021528069978
  5. Irina Khan, M.D.Indianapolis, IN 462021508852294
  6. Audrey Maminta, MDIndianapolis, IN 462021518941863
  7. Patrick McQuillan, M.D.Indianapolis, IN 462021669473989
  8. Jeffrey Mossler, MDIndianapolis, IN 462021356312896

Common questions

What is John F. Schaefer, M.D.'s NPI number?

John F. Schaefer, M.D.'s National Provider Identifier (NPI) is 1932142908, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John F. Schaefer, M.D. located?

The NPPES record lists a practice address at 1801 N Senate Blvd, Indianapolis, IN, 46202. Phone: (317) 962-5807. Providers update this record themselves, so call before visiting.

How can I verify John F. Schaefer, M.D.'s license?

NPPES lists Indiana license number 01031174, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John F. Schaefer, M.D. prescribe under Medicare Part D?

In 2024, John F. Schaefer, M.D. had 3,014 Medicare Part D claims for 470 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.