REBECCA RAE UNGER D.O
NPI 1013166008
Anesthesiology in Saint Louis, MO
About Rebecca Rae Unger D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA RAE UNGER D.O (NPI 1013166008) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2008018051) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Rolla.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Rebecca Rae Unger D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rebecca Unger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
St. James, MO 65559
- Reassigned Medicare billing, Missouri enrollment
- 195 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63122
SAINT LOUIS, MO 63122
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 Rebecca Unger's NPI number?
The NPI number for Rebecca Unger is 1013166008. It was assigned to this individual provider in the NPPES registry on September 15, 2008.
Where is Rebecca Unger located?
Rebecca Unger practices at 2345 Dougherty Ferry Rd, Saint Louis, MO 63122. The listed phone number is (314) 966-9491.
What is Rebecca Unger's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Rebecca Unger enrolled in Medicare?
Yes. Rebecca Unger is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rebecca Unger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Unger reassigns Medicare benefits to Phelps County Regional Medical Center (St. James, MO). The 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 Rebecca Unger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rebecca Unger was last updated on February 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Rebecca Rae Unger, D.O · NPI 1013166008
Anesthesiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since September 15, 2008.
## Identity
- **NPI:** 1013166008 (Entity type: Individual)
- **Enumerated:** September 15, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2008018051 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2345 DOUGHERTY FERRY RD, Saint Louis, MO 63122-3313
- **Phone:** (314) 966-9491
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Phelps County Regional Medical Center (NPI 1457799520, St. James, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1013166008) · Data from the CMS NPPES public registry.