POLLY KATE DAVID MD
NPI 1649501834
Internal Medicine - Infectious Disease in Saint Louis, MO
About Polly Kate David Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
POLLY KATE DAVID MD (NPI 1649501834) is an individual infectious disease provider in Saint Louis, Missouri, licensed in Missouri (2008020857) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
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
Polly Kate David Md 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 Polly David 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 63128
- Reassigned Medicare billing, Missouri enrollment
- 4 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 263 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 3
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 5
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, MOMercy Hospital Washington
Acute Care Hospitals · Washington, MOMercy Hospital South
Acute Care Hospitals · Saint Louis, MOSsm St Clare Health Center
Acute Care Hospitals · Fenton, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63118 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 63118
SAINT LOUIS, MO 63118
SAINT LOUIS, MO 63118
SAINT LOUIS, MO 63118
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 Polly David's NPI number?
The NPI number for Polly David is 1649501834. It was assigned to this individual provider in the NPPES registry on January 27, 2010.
Where is Polly David located?
Polly David practices at 3535 S Jefferson Ave Suite 111, Saint Louis, MO 63118. The listed phone number is (314) 543-2895.
What is Polly David's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Polly David enrolled in Medicare?
Yes. Polly David 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 Polly David's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Polly David reassigns Medicare benefits to 2 organizations: West County Infectious Disease, LLC (Saint Louis, MO) and Mercy Aco Clinical Services Inc (Chesterfield, 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 Polly David's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Polly David accept?
Health plans from Medica list Polly David 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 Polly David affiliated with any hospitals?
According to CMS data, Polly David is affiliated with Mercy Hospital St Louis, Mercy Hospital Washington, Mercy Hospital South, Ssm St Clare Health Center and Missouri Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for Polly David was last updated on January 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Polly Kate David, MD · NPI 1649501834
Infectious Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since January 27, 2010.
## Identity
- **NPI:** 1649501834 (Entity type: Individual)
- **Enumerated:** January 27, 2010
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 2008020857 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 3535 S JEFFERSON AVE, SUITE 111, Saint Louis, MO 63118-3930
- **Phone:** (314) 543-2895 · **Fax:** (314) 543-2801
## 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): West County Infectious Disease, LLC (NPI 1194125195, Saint Louis, MO); Mercy Aco Clinical Services Inc (NPI 1063965093, Chesterfield, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** January 27, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1649501834) · Data from the CMS NPPES public registry.