DR. JOHN ROBERT KRIEG M.D.
NPI 1972720381
Emergency Medicine in Gretna, LA
About Dr. John Robert Krieg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ROBERT KRIEG M.D. (NPI 1972720381) is an individual emergency medicine provider in Gretna, Louisiana, licensed in Louisiana (MD205462) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2011).
NPPES Registry Identity
Specialties & Licenses 2
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. John Robert Krieg 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
4Medicare enrollment records show John Krieg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houma, LA 70363
- Reassigned Medicare billing, Louisiana enrollment
- 189 clinicians in this Medicare group
Thibodaux, LA 70301
- Reassigned Medicare billing, Louisiana enrollment
- 104 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- Also billed through NPI 1972630705 (Louisiana)
- 41 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 218 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 6
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.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LALeonard J Chabert Medical Center
Acute Care Hospitals · Houma, 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 2
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 Krieg's NPI number?
The NPI number for John Krieg is 1972720381. It was assigned to this individual provider in the NPPES registry on April 19, 2007.
Where is John Krieg located?
John Krieg practices at 2600 Belle Chasse Hwy. B-2, Gretna, LA 70056. The listed phone number is (504) 349-2273.
What is John Krieg's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Krieg enrolled in Medicare?
Yes. John Krieg 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 John Krieg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Krieg reassigns Medicare benefits to 4 organizations: South Louisiana Medical Associates (Houma, LA), Thibodaux Emergency Physicians Group LLC (Thibodaux, LA), North Oaks Medical Center, LLC (Hammond, LA) and North Oaks Physician Group, LLC (Hammond, LA). 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 John Krieg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Krieg accept?
Health plans from HMO Louisiana list John Krieg 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 Krieg affiliated with any hospitals?
According to CMS data, John Krieg is affiliated with North Oaks Medical Center and Leonard J Chabert Medical Center.
When was this NPI record last updated?
The NPPES record for John Krieg was last updated on December 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. John Robert Krieg, M.D. · NPI 1972720381
Emergency Medicine physician in Gretna, Louisiana. Individual provider, active in the CMS NPPES registry since April 19, 2007.
## Identity
- **NPI:** 1972720381 (Entity type: Individual)
- **Enumerated:** April 19, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD205462 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2600 BELLE CHASSE HWY., B-2, Gretna, LA 70056
- **Phone:** (504) 349-2273 · **Fax:** (504) 903-4569
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): South Louisiana Medical Associates (NPI 1710944012, Houma, LA); Thibodaux Emergency Physicians Group LLC (NPI 1568910503, Thibodaux, LA); North Oaks Medical Center, LLC (NPI 1871302703, Hammond, LA); North Oaks Physician Group, LLC (NPI 1427035211, Hammond, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2011
## Record status
- **NPPES last updated:** December 7, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1972720381) · Data from the CMS NPPES public registry.