RUTH BARTEL
NPI 1942909643
Anesthesiologist Assistant in Washington, DC
About Ruth Bartel NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH BARTEL (NPI 1942909643) is an individual anesthesiologist assistant in Washington, District Of Columbia, licensed in District Of Columbia (AA2000043) and active in the NPI registry since March 2023. She is affiliated with University Of Wi Hospitals & Clinics Authority and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Ruth Bartel 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
3Medicare enrollment records show Ruth Bartel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 482 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Ruth Bartel's NPI number?
The NPI number for Ruth Bartel is 1942909643. It was assigned to this individual provider in the NPPES registry on March 1, 2023.
Where is Ruth Bartel located?
Ruth Bartel practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-7000.
What is Ruth Bartel's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Ruth Bartel enrolled in Medicare?
Yes. Ruth Bartel 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 Ruth Bartel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Bartel reassigns Medicare benefits to 3 organizations: Medstar Medical Group Anesthesiology LLC (Washington, DC), Medstar Medical Group II LLC (Washington, DC) and University Of Wisconsin Medical Foundation, Inc (Middleton, WI). 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 Ruth Bartel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ruth Bartel affiliated with any hospitals?
According to CMS data, Ruth Bartel is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Ruth Bartel was last updated on July 15, 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.
# Ruth Bartel · NPI 1942909643
Anesthesiologist Assistant physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 1, 2023.
## Identity
- **NPI:** 1942909643 (Entity type: Individual)
- **Enumerated:** March 1, 2023
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** AA2000043 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 IRVING ST NW, Washington, DC 20010-3017
- **Phone:** (202) 877-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group Anesthesiology LLC (NPI 1558976175, Washington, DC); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 15, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1942909643) · Data from the CMS NPPES public registry.