ERNING DUAN
NPI 1437982485
Nurse Practitioner - Adult Health in Saint Louis, MO

Active since August 24, 2024PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD, SAINT LOUIS, MO 63141(314) 303-1022 Get Directions Write a Review

NPPES record last updated: August 24, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Erning Duan NPPES

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

ERNING DUAN (NPI 1437982485) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2022048857) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1437982485
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameERNING DUAN
Location Address621 S NEW BALLAS RDSaint Louis, MO 63141-8232
Mailing Address477 Ridgecorde PlSaint Louis, MO 63141-7609 · (314) 482-6720
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 24, 2024
NPPES CertifiedAugust 23, 2024
✔ NPI 1437982485 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 · 2022048857
621 S NEW BALLAS RD, Saint Louis, MO 63141

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

Erning Duan 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 ID6901339647
PECOS Enrollment IDI20241101002056
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 Erning Duan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
615 S NEW BALLAS RD, ADMINISTRATION BUILDING, 5TH FLOOR
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 228 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Missouri enrollment
  • 412 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

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
22 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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.

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.

Nurse Practitioner (Women's Health)
621 S NEW BALLAS RD, SUITE 2007B
SAINT LOUIS, MO 63141
Obstetrics & Gynecology
621 S NEW BALLAS RD, SUITE 4005
SAINT LOUIS, MO 63141
Internal Medicine
621 S NEW BALLAS RD, SUITE 3016B
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Psychiatry)
621 S NEW BALLAS RD, SUITE 398A
SAINT LOUIS, MO 63141
Specialist
621 S NEW BALLAS RD, SUITE 419A
SAINT LOUIS, MO 63141
Nutritionist (Nutrition, Education)
621 S NEW BALLAS RD, SUITE 460A
SAINT LOUIS, MO 63141
Physician Assistant
621 S NEW BALLAS RD, SUITE 483A
SAINT LOUIS, MO 63141
Specialist
621 S NEW BALLAS RD, STE 297A
SAINT LOUIS, MO 63141

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 Erning Duan's NPI number?

The NPI number for Erning Duan is 1437982485. It was assigned to this individual provider in the NPPES registry on August 24, 2024.

Where is Erning Duan located?

Erning Duan practices at 621 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 303-1022.

What is Erning Duan's specialty?

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

Is Erning Duan enrolled in Medicare?

Yes. Erning Duan 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 Erning Duan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erning Duan reassigns Medicare benefits to 2 organizations: Mercy Clinic East Communities (Saint Louis, MO) and Signify Health, LLC (Dallas, TX). 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 Erning Duan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erning Duan accept?

Health plans from Anthem Blue Cross and Blue Shield list Erning Duan 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 Erning Duan was last updated on August 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.