NPPES file of Aug 9, 2026

Grant Joseph Olsen, M.D.

Internal Medicine Physician · Seymour, IN

Grant Joseph Olsen, M.D. is an internal medicine physician with a practice address in Seymour, Indiana, and NPI 1750590550, issued on May 21, 2007. Check the license (Indiana 01064374A, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750590550
Name
Grant Joseph Olsen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01064374A IN
Self-reported in NPPES; status is on the state search
Practice location
225 S Pine St FL 2, Seymour, IN 47274
Phone
(812) 524-4265
Enumerated
May 21, 2007
Record last updated
Nov 17, 2022
Fax
(812) 524-4269
Medicaid ID
200883280 IN
Medicare enrollment
Enrolled (PECOS I20080114000562); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2004
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 225 S Pine St FL 2

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

  1. Christopher Bunce, MDInfectious Disease Physician1053350405
  2. Yolanda MeredithFamily Nurse Practitioner1245077551
  3. Emilee Survance, DOSleep Medicine (Internal Medicine) Physician1619406089

Verify Grant Joseph Olsen 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 01064374A
    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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2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

7,373 Medicare Part D claims for 707 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 128 claims were for opioids.

  1. Grant Olsen7,373
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium508 claims
  2. Omeprazole306 claims
  3. Amlodipine Besylate250 claims
  4. Losartan Potassium247 claims
  5. Levothyroxine Sodium227 claims
  6. Metoprolol Succinate199 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.

The MIPS final score for 2023 (Medicare payment program): 90.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%93.3
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,087.26

110 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Olsen$2,087.26
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Jackson County Schneck Memorial HospitalSeymour, IN

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

Grant Joseph Olsen among 2,109 internal medicine physician records in Indiana

Grant Joseph Olsen, 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 48% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2004 · median 2005 among the 1,448 with a school on file
  • Record last updated2022 · 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).

12 internal medicine physician records list a practice address in Seymour

They are 12 of the 498 NPPES records with a practice address in Seymour, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Narinder Dabhia, M.D.Seymour, IN 472741104950153
  2. David Dollens, MDSeymour, IN 472741033115977
  3. Micah Fischer, DOSeymour, IN 472741013577121
  4. Marion Huff, MDSeymour, IN 472741205156569
  5. Vaishali Karnik, MDSeymour, IN 472741295263564
  6. Joseph Lamb, M.D.Seymour, IN 472741104236561
  7. Jonathan Light, M.D.Seymour, IN 472741467619619
  8. Courtney Robertson, DOSeymour, IN 472741144741893

Common questions

What is Grant Joseph Olsen, M.D.'s NPI number?

Grant Joseph Olsen, M.D.'s National Provider Identifier (NPI) is 1750590550, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Grant Joseph Olsen, M.D. located?

The NPPES record lists a practice address at 225 S Pine St FL 2, Seymour, IN, 47274. Phone: (812) 524-4265. Providers update this record themselves, so call before visiting.

How can I verify Grant Joseph Olsen, M.D.'s license?

NPPES lists Indiana license number 01064374A, 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 Grant Joseph Olsen, M.D. prescribe under Medicare Part D?

In 2024, Grant Joseph Olsen, M.D. had 7,373 Medicare Part D claims for 707 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Grant Joseph Olsen, M.D.'s MIPS final score?

The 2023 MIPS final score is 90.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.