DR. KATELYN MARIE ST. GERMAIN DO
NPI 1164124145
Family Medicine in Hammond, LA
About Dr. Katelyn Marie St. Germain Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATELYN MARIE ST. GERMAIN DO (NPI 1164124145) is an individual family medicine provider in Hammond, Louisiana, licensed in Louisiana (353184) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and is a graduate of William Carey University College Of Osteopathic Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Katelyn Marie St. Germain Do 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 Katelyn St. Germain reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 310 clinicians in this Medicare group
Hammond, LA 70403
- Reassigned Medicare billing, Louisiana enrollment
- 218 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.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70403 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAMMOND, LA 70403
HAMMOND, LA 70403
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 Katelyn St. Germain's NPI number?
The NPI number for Katelyn St. Germain is 1164124145. It was assigned to this individual provider in the NPPES registry on March 21, 2023.
Where is Katelyn St. Germain located?
Katelyn St. Germain practices at 15770 Paul Vega MD Dr, Hammond, LA 70403. The listed phone number is (985) 230-7440.
What is Katelyn St. Germain's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Katelyn St. Germain enrolled in Medicare?
Yes. Katelyn St. Germain 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 Katelyn St. Germain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn St. Germain reassigns Medicare benefits to 2 organizations: North Oaks Medical Center, LLC (Hammond, LA) and North Oaks Physician Group, LLC (Hammond, LA). 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 Katelyn St. Germain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katelyn St. Germain affiliated with any hospitals?
According to CMS data, Katelyn St. Germain is affiliated with North Oaks Medical Center.
When was this NPI record last updated?
The NPPES record for Katelyn St. Germain was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Dr. Katelyn Marie St. Germain, DO · NPI 1164124145
Family Medicine physician in Hammond, Louisiana. Individual provider, active in the CMS NPPES registry since March 21, 2023.
## Identity
- **NPI:** 1164124145 (Entity type: Individual)
- **Enumerated:** March 21, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 353184 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 15770 PAUL VEGA MD DR, Hammond, LA 70403-1475
- **Phone:** (985) 230-7440 · **Fax:** (985) 230-7441
## 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): North Oaks Medical Center, LLC (NPI 1972630705, Hammond, LA); North Oaks Physician Group, LLC (NPI 1427035211, Hammond, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** William Carey University College Of Osteopathic Medicine, class of 2022
## Record status
- **NPPES last updated:** October 16, 2026
- **Other identifiers:** Medicaid 2618725 (LA); Other 353184 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1164124145) · Data from the CMS NPPES public registry.