NPPES file of Aug 9, 2026

Luke Stephen Ernstberger, M.D.

Family Medicine Physician · Muncie, IN

Luke Stephen Ernstberger, M.D. is a family medicine physician with a practice address in Muncie, Indiana, and NPI 1821383209, issued on Jun 14, 2011. Check the license (Indiana 11016178A, 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
1821383209
Name
Luke Stephen Ernstberger
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
11016178A IN
Self-reported in NPPES; status is on the state search
Practice location
221 N Celia Ave, Muncie, IN 47303
Phone
(765) 747-4454
Enumerated
Jun 14, 2011
Record last updated
Aug 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
201095550 IN
Medicare enrollment
Enrolled (PECOS I20130411000182); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2011
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 221 N Celia Ave

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

  1. Lauren AndersonFamily Medicine Physician1922940568
  2. Jeffrey Bird, MDFamily Medicine Physician1104815273
  3. Maryellen Bormett, DOStudent in an Organized Health Care Education/Training Program1346930922
  4. Grace Borton, DOFamily Medicine Physician1275061699
  5. Brent Bostater, MDStudent in an Organized Health Care Education/Training Program1255125498
  6. Joshua Brinkerhoff, M.D.Family Medicine Physician1821250846

Verify Luke Stephen Ernstberger 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 11016178A
    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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72% fewer Medicare Part D claims than the average family medicine physician in 2024

975 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 34 claims were for opioids.

  1. Luke Ernstberger975
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium81 claims
  2. Lisinopril41 claims
  3. Amlodipine Besylate33 claims
  4. Tamsulosin Hcl30 claims
  5. Escitalopram Oxalate29 claims
  6. Omeprazole27 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. Indiana University Health Ball Memorial Physicians IncMuncie, IN
  2. IU Health Medical Group LLCIndianapolis, IN

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

Luke Stephen Ernstberger among 3,506 family medicine physician records in Indiana

Luke Stephen Ernstberger, M.D. is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2005 among the 2,196 with a school on file
  • Record last updated2015 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 family medicine physician records list a practice address in Muncie

They are 60 of the 2,630 NPPES records with a practice address in Muncie, and 3,506 family medicine physician records in Indiana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Justin Anderson, MDMuncie, IN 473031235459355
  2. Jeffrey Bird, MDMuncie, IN 473031104815273
  3. Joshua Brinkerhoff, M.D.Muncie, IN 473031821250846
  4. Randy Brown, MDMuncie, IN 473031629067202
  5. Jennifer Bunch, MDMuncie, IN 473031346239407
  6. Alyssa Hunter, M.D.Muncie, IN 473031285869206
  7. John Joven, MDMuncie, IN 473031689676108
  8. John Peterson, M.D.Muncie, IN 473031508880642

Common questions

What is Luke Stephen Ernstberger, M.D.'s NPI number?

Luke Stephen Ernstberger, M.D.'s National Provider Identifier (NPI) is 1821383209, issued on Jun 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Luke Stephen Ernstberger, M.D. located?

The NPPES record lists a practice address at 221 N Celia Ave, Muncie, IN, 47303. Phone: (765) 747-4454. Providers update this record themselves, so call before visiting.

How can I verify Luke Stephen Ernstberger, M.D.'s license?

NPPES lists Indiana license number 11016178A, 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 Luke Stephen Ernstberger, M.D. prescribe under Medicare Part D?

In 2024, Luke Stephen Ernstberger, M.D. had 975 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.