GREGORY S MONTGOMERY MD
NPI 1902915960
Pediatrics - Pediatric Pulmonology in Indianapolis, IN

Q: What is Gregory Montgomery's NPI number?

The NPI number for Gregory Montgomery is 1902915960. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Gregory Montgomery's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment

705 RILEY HOSPITAL DR, ROC 4270, INDIANAPOLIS, IN 46202(317) 274-7208(317) 274-3442 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 6, 2026, Dec 17, 2020 (2 updates tracked since 2020).

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About Gregory S Montgomery Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY S MONTGOMERY MD (NPI 1902915960) is an individual pediatric pulmonology provider in Indianapolis, Indiana, licensed in Indiana (01060650) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and is a graduate of Indiana University School Of Medicine (1998).

NPPES Registry Identity

NPI1902915960

Entity TypeIndividualMale

Primary Taxonomy2080P0214X

Provider Legal NameGREGORY S MONTGOMERYCredential: MD

Location Address705 RILEY HOSPITAL DR, ROC 4270Indianapolis, IN 46202-5109

Mailing AddressPo Box 719094Chicago, IL 60677-9318 · (317) 777-6435 · Fax (317) 777-6644

Phone(317) 274-7208

Fax(317) 274-3442

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 1998

Enumeration DateAugust 30, 2006

Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2026

✔ NPI 1902915960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0214X

License✔ Licensed in IN · 01060650

Definition

A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.

705 RILEY HOSPITAL DR, Indianapolis, IN 46202

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Other Identifiers 2

Medicaid200515500IN

Medicaid7100037240KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory S Montgomery Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951381813

PECOS Enrollment IDI20050809000447

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150056

Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOHANNAD MOALLEM M.D.

Pediatrics (Neonatal-Perinatal Medicine)