DR. TROY ULRICH DREWITZ M.D.
NPI 1184608010
Obstetrics & Gynecology in Gretna, LA
About Dr. Troy Ulrich Drewitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TROY ULRICH DREWITZ M.D. (NPI 1184608010) is an individual obstetrics & gynecology provider in Gretna, Louisiana, licensed in Louisiana (MD.15026R) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Troy Ulrich Drewitz 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
2Medicare enrollment records show Troy Drewitz reassigns Medicare billing to 2 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
Greenville, SC 29607
- Reassigned Medicare billing, Louisiana enrollment
- 108 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Lafayette General Medical Center
Acute Care Hospitals · Lafayette, 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.
GRETNA, 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 Troy Drewitz's NPI number?
The NPI number for Troy Drewitz is 1184608010. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Troy Drewitz located?
Troy Drewitz practices at 2500 Belle Chasse Highway, Gretna, LA 70056. The listed phone number is (504) 391-8896.
What is Troy Drewitz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Troy Drewitz enrolled in Medicare?
Yes. Troy Drewitz 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 Troy Drewitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Troy Drewitz reassigns Medicare benefits to 2 organizations: Ochsner Clinic LLC (Gretna, LA) and Obhg Louisiana, LLC (Greenville, SC). 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 Troy Drewitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Troy Drewitz accept?
Health plans from Blue Cross and Blue Shield of Louisiana, Cigna Healthcare, HMO Louisiana and UnitedHealthcare list Troy Drewitz 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 Troy Drewitz affiliated with any hospitals?
According to CMS data, Troy Drewitz is affiliated with Ochsner Lafayette General Medical Center.
When was this NPI record last updated?
The NPPES record for Troy Drewitz was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Troy Ulrich Drewitz, M.D. · NPI 1184608010
Obstetrics & Gynecology physician in Gretna, Louisiana. Individual provider, active in the CMS NPPES registry since December 5, 2005.
## Identity
- **NPI:** 1184608010 (Entity type: Individual)
- **Enumerated:** December 5, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD.15026R (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 BELLE CHASSE HIGHWAY, Gretna, LA 70056-7172
- **Phone:** (504) 391-8896 · **Fax:** (985) 702-8282
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1053555458, Gretna, LA); Obhg Louisiana, LLC (NPI 1639567316, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In Shreveport, class of 1999
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other 7124495 (LA); Medicaid 09155861 (MS); Medicaid 1158275 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1184608010) · Data from the CMS NPPES public registry.