MS. KATHRYN MICHELLE DRENNAN WHNP
NPI 1760066112
Nurse Practitioner - Women's Health in Saint Louis, MO
About Ms. Kathryn Michelle Drennan Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHRYN MICHELLE DRENNAN WHNP (NPI 1760066112) is an individual women's health provider in Saint Louis, Missouri, licensed in Missouri (2021013599) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS 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. Kathryn Michelle Drennan Whnp 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 Kathryn Drennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 105 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
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 Kathryn Drennan's NPI number?
The NPI number for Kathryn Drennan is 1760066112. It was assigned to this individual provider in the NPPES registry on May 11, 2021.
Where is Kathryn Drennan located?
Kathryn Drennan practices at 4901 Forest Park Ave Dept Obgyn, Ste 710, Saint Louis, MO 63108. The listed phone number is (314) 362-4211.
What is Kathryn Drennan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Kathryn Drennan enrolled in Medicare?
Yes. Kathryn Drennan 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 Kathryn Drennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Drennan reassigns Medicare benefits to Washington University (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 Kathryn Drennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Drennan accept?
Health plans from UnitedHealthcare list Kathryn Drennan 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.
When was this NPI record last updated?
The NPPES record for Kathryn Drennan 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.