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STEPHANIE NELLESEN FNP
NPI 1003362021
Nurse Practitioner - Family in Saint Louis, MO

Active since August 30, 2016PECOS Enrolled
621 S NEW BALLAS RD STE 189A, SAINT LOUIS, MO 63141(314) 251-6335(314) 251-5864 Get Directions Write a Review

NPPES record last updated: November 16, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 16, 2018, Aug 30, 2016 (2 updates tracked since 2016).

About Stephanie Nellesen Fnp NPPES

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

STEPHANIE NELLESEN FNP (NPI 1003362021) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2016022548) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003362021
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSTEPHANIE NELLESENCredential: FNP
Location Address621 S NEW BALLAS RD STE 189ASaint Louis, MO 63141-8255
Mailing Address621 S New Ballas Rd Ste 189aSaint Louis, MO 63141-8255 · (314) 251-6335 · Fax (314) 251-5864
Phone(314) 251-6335
Fax(314) 251-5864
Sole ProprietorNo
Enumeration DateAugust 30, 2016
Last NPPES UpdateNovember 16, 20182 updates tracked since enumeration
✔ NPI 1003362021 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2016022548
621 S NEW BALLAS RD STE 189A, Saint Louis, MO 63141
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Nellesen Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEYA KUHN D.O.
Internal Medicine
621 S NEW BALLAS RD STE 189A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6335
KRISTEN KNIGHT DNP, FNP-C
Nurse Practitioner (Family)
621 S NEW BALLAS RD STE 189A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6335
MADISON ALICE MIK PA-C
Physician Assistant
621 S NEW BALLAS RD STE 189A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6335

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 Stephanie Nellesen's NPI number?

The NPI number for Stephanie Nellesen is 1003362021. It was assigned to this individual provider in the NPPES registry on August 30, 2016.

Where is Stephanie Nellesen located?

Stephanie Nellesen practices at 621 S New Ballas Rd Ste 189A, Saint Louis, MO 63141. The listed phone number is (314) 251-6335.

What is Stephanie Nellesen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Stephanie Nellesen enrolled in Medicare?

Yes. Stephanie Nellesen is registered in the Medicare PECOS enrollment system.

What insurance does Stephanie Nellesen accept?

Health plans from Anthem Blue Cross and Blue Shield list Stephanie Nellesen 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 Stephanie Nellesen was last updated on November 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.