MS. ALLISON PAIGE WINKLER AGNP
NPI 1275290389
Nurse Practitioner - Adult Health in Saint Louis, MO
About Ms. Allison Paige Winkler Agnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ALLISON PAIGE WINKLER AGNP (NPI 1275290389) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2021045330) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ms. Allison Paige Winkler Agnp 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 Allison Winkler 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 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 140 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 5
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.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Allison Winkler's NPI number?
The NPI number for Allison Winkler is 1275290389. It was assigned to this individual provider in the NPPES registry on November 23, 2021.
Where is Allison Winkler located?
Allison Winkler practices at 1 Barnes Jewish Hospital Plz Div Im Hospitalist, Saint Louis, MO 63110. The listed phone number is (314) 362-1700.
What is Allison Winkler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Allison Winkler enrolled in Medicare?
Yes. Allison Winkler 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 Allison Winkler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Winkler reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Fairview Heights Medical Group Sc (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 Allison Winkler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Winkler accept?
Health plans from UnitedHealthcare list Allison Winkler 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 Allison Winkler affiliated with any hospitals?
According to CMS data, Allison Winkler is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Allison Winkler was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ms. Allison Paige Winkler, AGNP · NPI 1275290389
Adult Health physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since November 23, 2021.
## Identity
- **NPI:** 1275290389 (Entity type: Individual)
- **Enumerated:** November 23, 2021
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 2021045330 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-1700 · **Fax:** (314) 362-9878
## 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): Washington University (NPI 1992746903, Saint Louis, MO); Fairview Heights Medical Group Sc (NPI 1679503668, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 420108536 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1275290389) · Data from the CMS NPPES public registry.