JOHN ZACHARY GALLIEN MD
NPI 1235367731
Emergency Medicine in Indianapolis, IN
About John Zachary Gallien Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ZACHARY GALLIEN MD (NPI 1235367731) is an individual emergency medicine provider in Indianapolis, Indiana, licensed in Indiana (01087817A) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 3
Accepted 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
John Zachary Gallien 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eskenazi Health
Acute Care Hospitals · Indianapolis, INIndiana University Health Bloomington Hospital
Acute Care Hospitals · Bloomington, INIndiana University Health
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Gallien's NPI number?
The NPI number for John Gallien is 1235367731. It was assigned to this individual provider in the NPPES registry on June 23, 2009.
Where is John Gallien located?
John Gallien practices at 720 Eskenazi Ave, Indianapolis, IN 46202. The listed phone number is (317) 639-6671.
What is John Gallien's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Gallien enrolled in Medicare?
Yes. John Gallien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does John Gallien accept?
Health plans from CareSource list John Gallien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Gallien affiliated with any hospitals?
According to CMS data, John Gallien is affiliated with Eskenazi Health, Indiana University Health Bloomington Hospital and Indiana University Health.
When was this NPI record last updated?
The NPPES record for John Gallien was last updated on March 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Zachary Gallien, MD · NPI 1235367731
Emergency Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since June 23, 2009.
## Identity
- **NPI:** 1235367731 (Entity type: Individual)
- **Enumerated:** June 23, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 01087817A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 720 ESKENAZI AVE, Indianapolis, IN 46202-5187
- **Phone:** (317) 639-6671 · **Fax:** (317) 963-5492
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Indiana University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 8, 2025
- **Other identifiers:** Medicaid 300063171 (IN); Other 000001667680 (IN); Other Q00354531 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1235367731) · Data from the CMS NPPES public registry.