NPPES file of Aug 9, 2026

Gregory S. Montgomery, MD

Pediatric Pulmonology Physician · Indianapolis, IN

Gregory S. Montgomery, MD is a pediatric pulmonology physician with a practice address in Indianapolis, Indiana, and NPI 1902915960, issued on Aug 30, 2006. Check the license (Indiana 01060650, 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
1902915960
Name
Gregory S. Montgomery
Credential
MD
Primary taxonomy
Pediatric Pulmonology Physician 2080P0214X
License number
01060650 IN
Self-reported in NPPES; status is on the state search
Practice location
705 Riley Hospital Dr, Indianapolis, IN 46202
Phone
(317) 274-7208
Enumerated
Aug 30, 2006
Record last updated
Feb 6, 2026
Fax
(317) 274-3442
Medicaid IDs
200515500 IN
7100037240 KY
Medicare enrollment
Enrolled (PECOS I20050809000447); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1998
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 705 Riley Hospital Dr

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

  1. Nadeem Abbasi, MDPediatrics Physician1194986489
  2. Alexandra Abbey, PA-CPhysician Assistant1124820113
  3. Cassie Abbey, MDStudent in an Organized Health Care Education/Training Program1699522672
  4. Anne AbellStudent in an Organized Health Care Education/Training Program1780421073
  5. Farida Abi Farraj, MDStudent in an Organized Health Care Education/Training Program1033814298
  6. Carine Abi Gerges, MDStudent in an Organized Health Care Education/Training Program1932830593

Verify Gregory S. Montgomery 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 01060650
    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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Industry payments in 2024: $251.54

3 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 621 providers of this specialty with any payment received $1,494.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Montgomery$251.54
  2. Specialty average$1,494.36

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 Riley Specialists LLCIndianapolis, IN

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

Gregory S. Montgomery among 40 pediatric pulmonology physician records in Indiana

Gregory S. Montgomery, MD is one of 40 pediatric pulmonology physician records with a practice address in Indiana. 83% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1998 · median 2002 among the 19 with a school on file
  • Record last updated2026 · 20% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0214X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Pulmonology Physician providers in Indiana

There are 40 pediatric pulmonology physician records in Indiana.

The 8 pediatric pulmonology physician records with the nearest ZIP codes

  1. Jeffrey Benson, MDIndianapolis, IN 462021851342208
  2. James Chmiel, MDIndianapolis, IN 462021932126968
  3. Ameet Daftary, MDIndianapolis, IN 462021891889119
  4. Deborah Givan, MDIndianapolis, IN 462021093824120
  5. Michelle Howenstine, MDIndianapolis, IN 462021568571693
  6. Hasnaa Jalou, MDIndianapolis, IN 462021568447514
  7. Jeffrey Macke, MDIndianapolis, IN 462021174632129
  8. Clement Ren, MDIndianapolis, IN 462021629081575

Common questions

What is Gregory S. Montgomery, MD's NPI number?

Gregory S. Montgomery, MD's National Provider Identifier (NPI) is 1902915960, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Montgomery, MD located?

The NPPES record lists a practice address at 705 Riley Hospital Dr, Indianapolis, IN, 46202. Phone: (317) 274-7208. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Montgomery, MD's license?

NPPES lists Indiana license number 01060650, 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.

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.