ARYN KATHLEEN WHITING RN, AGPCNP-C
NPI 1811496003
Nurse Practitioner - Primary Care in Saint Louis, MO
About Aryn Kathleen Whiting Rn, Agpcnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARYN KATHLEEN WHITING RN, AGPCNP-C (NPI 1811496003) is an individual primary care provider in Saint Louis, Missouri, licensed in Missouri (2018005316) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Aryn Kathleen Whiting Rn, Agpcnp-c 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 Reassignment
Medicare enrollment records show Aryn Whiting reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 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 11
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63131 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Aryn Whiting's NPI number?
The NPI number for Aryn Whiting is 1811496003. It was assigned to this individual provider in the NPPES registry on February 2, 2018.
Where is Aryn Whiting located?
Aryn Whiting practices at 3009 N Ballas Rd Ste 390C, Saint Louis, MO 63131. The listed phone number is (314) 996-3575.
What is Aryn Whiting's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Aryn Whiting enrolled in Medicare?
Yes. Aryn Whiting 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 organization bills Medicare for Aryn Whiting's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aryn Whiting reassigns Medicare benefits to Physician Groups Lc (Saint Louis, 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 Aryn Whiting's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aryn Whiting accept?
Health plans from UnitedHealthcare list Aryn Whiting 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 Aryn Whiting affiliated with any hospitals?
According to CMS data, Aryn Whiting is affiliated with Mercy Hospital St Louis and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Aryn Whiting was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Aryn Kathleen Whiting, RN, AGPCNP-C · NPI 1811496003
Primary Care physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 2, 2018.
## Identity
- **NPI:** 1811496003 (Entity type: Individual)
- **Enumerated:** February 2, 2018
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 2018005316 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3009 N BALLAS RD STE 390C, Saint Louis, MO 63131-2322
- **Phone:** (314) 996-3575
## 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:** Physician Groups Lc (NPI 1285664268, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** November 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1811496003) · Data from the CMS NPPES public registry.