MS. ERIN ELIZABETH DRINEN FNP
NPI 1124796396
Nurse Practitioner - Family in Hazelwood, MO
About Ms. Erin Elizabeth Drinen Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ERIN ELIZABETH DRINEN FNP (NPI 1124796396) is an individual family provider in Hazelwood, Missouri, licensed in Missouri (2021032233) and active in the NPI registry since September 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. Erin Elizabeth Drinen Fnp 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
5Medicare enrollment records show Erin Drinen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 169 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Illinois enrollment
- 31 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63042 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAZELWOOD, MO 63042
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 Erin Drinen's NPI number?
The NPI number for Erin Drinen is 1124796396. It was assigned to this individual provider in the NPPES registry on September 2, 2021.
Where is Erin Drinen located?
Erin Drinen practices at 1 Village Square Shop Ctr Div Im Infectious Disease, Ste 1, Hazelwood, MO 63042. The listed phone number is (314) 362-9098.
What is Erin Drinen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Erin Drinen enrolled in Medicare?
Yes. Erin Drinen 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 Erin Drinen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Drinen reassigns Medicare benefits to 5 organizations: Washington University (Saint Louis, MO), Mercy East Ambulatory Services LLC (Chesterfield, MO), Mercy Hospital South (Saint Louis, MO), Theoria Medical (Novi, MI) and Complexcare Medical Group Midwest H PLLC (Novi, MI). 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 Erin Drinen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Drinen accept?
Health plans from UnitedHealthcare list Erin Drinen 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 Erin Drinen 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.