MRS. MARY ELLEN MYERS RN, APRN-C
NPI 1992764195
Nurse Practitioner - Adult Health in Saint Louis, MO

Active since March 17, 2006PECOS EnrolledAccepts Medicare Assignment
89.23/100
CMS Quality Rating
3535 S JEFFERSON AVE, SAINT LOUIS, MO 63118(314) 776-7999(844) 848-6137 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 7, 2023, Feb 2, 2016, Jan 25, 2016 (3 updates tracked since 2016).

About Mrs. Mary Ellen Myers Rn, Aprn-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARY ELLEN MYERS RN, APRN-C (NPI 1992764195) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (RN077928) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1992764195
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. MARY ELLEN MYERSCredential: RN, APRN-C
Location Address3535 S JEFFERSON AVESaint Louis, MO 63118-3930
Mailing Address1694 Valero LnFenton, MO 63026-3259 · (314) 540-0623 · Fax (844) 848-6137
Fax(844) 848-6137
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateMarch 17, 2006
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
✔ NPI 1992764195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · RN077928
3535 S JEFFERSON AVE, Saint Louis, MO 63118

Other Names 1

Former Name (1)Ms. Mary Ellen Aubuchon Rn, Aprn-c

Other Identifiers 1

Other2500032240MO · Bndd-missouri

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

Mrs. Mary Ellen Myers Rn, Aprn-c 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.

PECOS PAC ID8224336680
PECOS Enrollment IDI20160419000248
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mary Myers reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
232 S WOODS MILL RD
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 215 clinicians in this Medicare group
Hospitalist
990 OAK RIDGE TPKE
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Missouri enrollment
  • 193 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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
125 services122 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients

Physician 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.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

89.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.14
Improvement Activities40

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.

Pharmacist
3535 S JEFFERSON AVE
SAINT LOUIS, MO 63118
Family Medicine
3535 S JEFFERSON AVE, SUITE 314
SAINT LOUIS, MO 63118
Podiatrist (Foot Surgery)
3535 S JEFFERSON AVE, SUITE 201
SAINT LOUIS, MO 63118
Nurse Practitioner
3535 S JEFFERSON AVE, SUITE 118
SAINT LOUIS, MO 63118
Psychiatry & Neurology (Psychiatry)
3535 S JEFFERSON AVE, STE 118
SAINT LOUIS, MO 63118
Psychiatry & Neurology (Psychiatry)
3535 S JEFFERSON AVE, SUITE 104
SAINT LOUIS, MO 63118
Internal Medicine
3535 S JEFFERSON AVE, SUITE 304
ST LOUIS, MO 63118
Specialist
3535 S JEFFERSON AVE, SUITE 201
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 Mary Myers's NPI number?

The NPI number for Mary Myers is 1992764195. It was assigned to this individual provider in the NPPES registry on March 17, 2006. The provider is also known as Ms. Mary Ellen Aubuchon Rn, Aprn-C.

Where is Mary Myers located?

Mary Myers practices at 3535 S Jefferson Ave, Saint Louis, MO 63118. The listed phone number is (314) 776-7999.

What is Mary Myers's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Mary Myers enrolled in Medicare?

Yes. Mary Myers 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 Mary Myers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Myers reassigns Medicare benefits to 2 organizations: Physician Specialists Of St Lukes LLC (Chesterfield, MO) and Southeastern Physician Services PC (Oak Ridge, TN). 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 Mary Myers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Myers accept?

Health plans from Oscar Insurance Company list Mary Myers 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 Mary Myers was last updated on March 7, 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.