NPPES file of Aug 9, 2026

Grant H. Gilroy, DO

Critical Care Medicine (Internal Medicine) Physician · Indianapolis, IN

Grant H. Gilroy, DO is a critical care medicine (internal medicine) physician with a practice address in Indianapolis, Indiana, and NPI 1255651261, issued on Jun 2, 2010. Check the license (Indiana 02004032A, 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
1255651261
Name
Grant H. Gilroy
Credential
DO
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
02004032A IN
Self-reported in NPPES; status is on the state search
Practice location
1633 N Capitol Ave, Indianapolis, IN 46202
Phone
(317) 962-3400
Enumerated
Jun 2, 2010
Record last updated
Mar 8, 2025
Fax
(317) 963-1167
Medicaid IDs
200984010 IN
201088010 IN
Medicare enrollment
Enrolled (PECOS I20121103000104); accepts Medicare assignment
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 1633 N Capitol Ave

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

  1. Andrew Adams, MDAnesthesiology Physician1245720986
  2. Adnan Arseven, MDGeriatric Medicine (Internal Medicine) Physician1871573550
  3. Divya Arunachalam, M.D.Student in an Organized Health Care Education/Training Program1861755290
  4. Lynn BaldwinWomen's Health Nurse Practitioner1942435367
  5. Selena Bartelson-Andrews, M.D.Obstetrics & Gynecology Physician1922072628
  6. John Black, M.D.Infectious Disease Physician1932143500

Verify Grant H. Gilroy 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 02004032A
    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

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90% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

71 Medicare Part D claims for 41 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Grant Gilroy71
  2. Specialty average696

Most prescribed

  1. Prednisone12 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.

Industry payments in 2024: $92.93

4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grant Gilroy$92.93
  2. Specialty average$2,958.68

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. 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).

Grant H. Gilroy among 163 critical care medicine (internal medicine) physician records in Indiana

Grant H. Gilroy, DO is one of 163 critical care medicine (internal medicine) physician records with a practice address in Indiana. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.

  • NPI issued2010 · 53% of these records are older, 40% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2010 · median 2006 among the 141 with a school on file
  • Record last updated2025 · 21% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Indiana

There are 163 critical care medicine (internal medicine) physician records in Indiana.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Iram Bakhtawar, MDIndianapolis, IN 462021598878605
  2. Lawrence Bortenschlager, M.D.Indianapolis, IN 462021801897236
  3. Kenneth Brantley, MDIndianapolis, IN 462021609825017
  4. Caitriona Buckley, MDIndianapolis, IN 462021265490445
  5. Mohsin Iqbal, MDIndianapolis, IN 462021750323481
  6. Babar Khan, MDIndianapolis, IN 462021194783944
  7. Stanley Nasraway, MDIndianapolis, IN 462021194834200
  8. Chris Naum, MDIndianapolis, IN 462021215938451

Common questions

What is Grant H. Gilroy, DO's NPI number?

Grant H. Gilroy, DO's National Provider Identifier (NPI) is 1255651261, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Grant H. Gilroy, DO located?

The NPPES record lists a practice address at 1633 N Capitol Ave, Indianapolis, IN, 46202. Phone: (317) 962-3400. Providers update this record themselves, so call before visiting.

How can I verify Grant H. Gilroy, DO's license?

NPPES lists Indiana license number 02004032A, 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 H. Gilroy, DO prescribe under Medicare Part D?

In 2024, Grant H. Gilroy, DO had 71 Medicare Part D claims for 41 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.