DR. ABIGAIL SCHWEIG YORK DO
NPI 1801473822
Anesthesiology in Saint Louis, MO
About Dr. Abigail Schweig York Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABIGAIL SCHWEIG YORK DO (NPI 1801473822) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2025018401) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Christian Hospital Northeast, and maintains a secondary practice location in Kansas City.
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Abigail Schweig York Do 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 Abigail York reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 230 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- 19 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.
Christian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
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 Abigail York's NPI number?
The NPI number for Abigail York is 1801473822. It was assigned to this individual provider in the NPPES registry on March 25, 2021.
Where is Abigail York located?
Abigail York practices at 1 Barnes Jewish Hospital Plz Dept Of, Saint Louis, MO 63110. The listed phone number is (800) 862-9980.
What is Abigail York's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Abigail York enrolled in Medicare?
Yes. Abigail York 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 Abigail York's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail York reassigns Medicare benefits to 2 organizations: Midwest Anesthesia Providers S.C (Saint Louis, MO) and Midwest Anesthesia Associates, P.C. (Saint Louis, MO). 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 Abigail York's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Abigail York affiliated with any hospitals?
According to CMS data, Abigail York is affiliated with Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Abigail York was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Abigail Schweig York, DO · NPI 1801473822
Anesthesiology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1801473822 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2025018401 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ DEPT OF, Saint Louis, MO 63110-1003
- **Phone:** (800) 862-9980 · **Fax:** (314) 362-1185
## 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): Midwest Anesthesia Providers S.C (NPI 1295189082, Saint Louis, MO); Midwest Anesthesia Associates, P.C. (NPI 1558719617, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801473822) · Data from the CMS NPPES public registry.