MS. MARILYN R EARVIN ANP
NPI 1912172180
Nurse Practitioner - Adult Health in Saint Louis, MO
About Ms. Marilyn R Earvin Anp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARILYN R EARVIN ANP (NPI 1912172180) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (122785) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
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. Marilyn R Earvin Anp 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 Marilyn Earvin 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
- 156 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 2
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 63110 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 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Marilyn Earvin's NPI number?
The NPI number for Marilyn Earvin is 1912172180. It was assigned to this individual provider in the NPPES registry on April 28, 2008.
Where is Marilyn Earvin located?
Marilyn Earvin practices at 400 S Kingshighway Blvd Dept Emergency Med, Saint Louis, MO 63110. The listed phone number is (314) 362-9123.
What is Marilyn Earvin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Marilyn Earvin enrolled in Medicare?
Yes. Marilyn Earvin 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 Marilyn Earvin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Earvin 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 Marilyn Earvin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilyn Earvin accept?
Health plans from UnitedHealthcare list Marilyn Earvin 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 Marilyn Earvin 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.
# Ms. Marilyn R Earvin, ANP · NPI 1912172180
Adult Health physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 28, 2008.
## Identity
- **NPI:** 1912172180 (Entity type: Individual)
- **Enumerated:** April 28, 2008
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 122785 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED, Saint Louis, MO 63110-1014
- **Phone:** (314) 362-9123 · **Fax:** (314) 747-3338
## 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:** Washington University (NPI 1104866656, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 420687725 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1912172180) · Data from the CMS NPPES public registry.