KATHARINE PONZILLO M.D.
NPI 1184678625
Internal Medicine - Hospice and Palliative Medicine in Saint Louis, MO
About Katharine Ponzillo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE PONZILLO M.D. (NPI 1184678625) is an individual hospice and palliative medicine provider in Saint Louis, Missouri, licensed in Missouri (102328) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
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
Katharine Ponzillo M.d. 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 Katharine Ponzillo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 140 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 6 clinicians in this Medicare group
Saint Louis, MO 63117
- Reassigned Medicare billing, Missouri enrollment
- 741 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.
St Lukes Hospital
Acute Care Hospitals · Chesterfield, MOOther 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 63131
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
SAINT LOUIS, MO 63131
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 Katharine Ponzillo's NPI number?
The NPI number for Katharine Ponzillo is 1184678625. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is Katharine Ponzillo located?
Katharine Ponzillo practices at 3009 N Ballas Rd Ste 383C, Saint Louis, MO 63131. The listed phone number is (314) 305-1447.
What is Katharine Ponzillo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Katharine Ponzillo enrolled in Medicare?
Yes. Katharine Ponzillo 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 Katharine Ponzillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Ponzillo reassigns Medicare benefits to 3 organizations: Fairview Heights Medical Group Sc (Saint Louis, MO), Complex Illness Management Of St Lukes LLC (Chesterfield, MO) and Ssm Health Care St. Louis (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 Katharine Ponzillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katharine Ponzillo accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and UnitedHealthcare list Katharine Ponzillo 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 Katharine Ponzillo affiliated with any hospitals?
According to CMS data, Katharine Ponzillo is affiliated with St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Katharine Ponzillo was last updated on May 16, 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.
# Katharine Ponzillo, M.D. · NPI 1184678625
Hospice and Palliative Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 20, 2006.
## Identity
- **NPI:** 1184678625 (Entity type: Individual)
- **Enumerated:** May 20, 2006
- **Primary specialty:** Internal Medicine - Hospice and Palliative Medicine · taxonomy 207RH0002X
- **State license:** 102328 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3009 N BALLAS RD STE 383C, Saint Louis, MO 63131-2324
- **Phone:** (314) 305-1447
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Fairview Heights Medical Group Sc (NPI 1679503668, Saint Louis, MO); Complex Illness Management Of St Lukes LLC (NPI 1790441046, Chesterfield, MO); Ssm Health Care St. Louis (NPI 1366400855, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Kansas City, School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** May 16, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1184678625) · Data from the CMS NPPES public registry.