DR. GREGORY ALEXANDER SHAMITKO M.D.
NPI 1154663227
Emergency Medicine in Terrytown, LA
About Dr. Gregory Alexander Shamitko M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY ALEXANDER SHAMITKO M.D. (NPI 1154663227) is an individual emergency medicine provider in Terrytown, Louisiana, licensed in Louisiana (302331) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Tulane University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gregory Alexander Shamitko M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Gregory Shamitko reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gretna, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 240 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 295 clinicians in this Medicare group
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- 8 clinicians in this Medicare group
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- 181 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 159 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LAWest Jefferson Medical Center
Acute Care Hospitals · Marrero, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70056 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.
TERRYTOWN, LA 70056
TERRYTOWN, LA 70056
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 Gregory Shamitko's NPI number?
The NPI number for Gregory Shamitko is 1154663227. It was assigned to this individual provider in the NPPES registry on March 26, 2013.
Where is Gregory Shamitko located?
Gregory Shamitko practices at 2500 Belle Chasse Hwy, Terrytown, LA 70056. The listed phone number is (504) 392-3131.
What is Gregory Shamitko's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Shamitko enrolled in Medicare?
Yes. Gregory Shamitko 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.
Which organizations bill Medicare for Gregory Shamitko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Shamitko reassigns Medicare benefits to 6 organizations: Ochsner Clinic LLC (Gretna, LA), Belle Chasse Emergency Group LLC (New Orleans, LA), University Medical Center Management Corporation (New Orleans, LA), Extreme Environmental Medicine, LLC (Kenner, LA), Kenner Emergency Group LLC (Kenner, LA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Shamitko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Shamitko accept?
Health plans from CHRISTUS Health Plan and HMO Louisiana list Gregory Shamitko 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 Gregory Shamitko affiliated with any hospitals?
According to CMS data, Gregory Shamitko is affiliated with Ochsner Medical Center Acute and West Jefferson Medical Center.
When was this NPI record last updated?
The NPPES record for Gregory Shamitko was last updated on August 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.
# Dr. Gregory Alexander Shamitko, M.D. · NPI 1154663227
Emergency Medicine physician in Terrytown, Louisiana. Individual provider, active in the CMS NPPES registry since March 26, 2013.
## Identity
- **NPI:** 1154663227 (Entity type: Individual)
- **Enumerated:** March 26, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 302331 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 BELLE CHASSE HWY, Terrytown, LA 70056-7127
- **Phone:** (504) 392-3131 · **Fax:** (504) 391-5486
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1053555458, Gretna, LA); Belle Chasse Emergency Group LLC (NPI 1851714075, New Orleans, LA); University Medical Center Management Corporation (NPI 1083655567, New Orleans, LA); Extreme Environmental Medicine, LLC (NPI 1699321703, Kenner, LA); Kenner Emergency Group LLC (NPI 1013986546, Kenner, LA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** August 16, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1154663227) · Data from the CMS NPPES public registry.