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MOLLY OOSTHUYSEN FNP-BC
NPI 1154786937
Nurse Practitioner - Family in Maryville, TN

Active since December 22, 2015PECOS Enrolled
94.07/100
CMS Quality Rating
907 E LAMAR ALEXANDER PKWY, MARYVILLE, TN 37804(865) 980-4897(865) 977-4722 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 24, 2024, Aug 16, 2022, Jul 22, 2020 and 2 more (5 updates tracked since 2015).

About Molly Oosthuysen Fnp-bc NPPES

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

MOLLY OOSTHUYSEN FNP-BC (NPI 1154786937) is an individual family provider in Maryville, Tennessee, licensed in Tennessee (APN0000032244) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in Knoxville.

NPPES Registry Identity

NPI1154786937
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMOLLY OOSTHUYSENCredential: FNP-BC
Location Address907 E LAMAR ALEXANDER PKWYMaryville, TN 37804-5015
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842
Phone(865) 980-4897
Fax(865) 977-4722
Sole ProprietorNo
Enumeration DateDecember 22, 2015
Last NPPES UpdateOctober 30, 20255 updates tracked since enumeration
NPPES CertifiedOctober 30, 2025
✔ NPI 1154786937 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
Licenses✔ Licensed in TN · APN0000032244✔ Licensed in VA · F1015311✔ Licensed in OH · F1015311
907 E LAMAR ALEXANDER PKWY, Maryville, TN 37804
Open in Google Maps ↗

Secondary Practice Location 1

Location 11346 Dowell Springs BlvdKnoxville, TN 37909-2453 · Phone (865) 588-2753 · Fax (865) 588-7418

Other Identifiers 1

MedicaidQ079759TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Molly Oosthuysen Fnp-bc 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.

Medicare Billing Reassignments

2

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

Blount Memorial Physician Group, Inc
1.3 mi
Family Medicine
266 JOULE ST
Alcoa, TN 37701
  • Reassigned Medicare billing, Tennessee enrollment
  • 295 clinicians in this Medicare group
NPI 1699710194 (865) 984-3864
Allergy Specialists Of Knoxville PLLC
14 mi
Allergy & Immunology
1346 DOWELL SPRINGS BLVD
Knoxville, TN 37909
  • Reassigned Medicare billing, Tennessee enrollment
  • 5 clinicians in this Medicare group
NPI 1275586224 (865) 588-2753

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 37804 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

94.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.44
Promoting Interoperability94
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.

APP OF TENNESSEE ED, PLLC
Emergency Medicine
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 983-7211
MEGHAN HART PTA
Physical Therapy Assistant
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 983-7211
CATHY E PETTY MD
Anesthesiology
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 983-7211
DR. DOUGLAS K. WARNER M.D.
Emergency Medicine
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 983-7211
JACK T ROBERTS JR. MD
Hospitalist
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 980-4897
DR. DEAVER T SHATTUCK M.D.
Hospitalist
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 980-4897
BLOUNT MEMORIAL HOSPITAL, INC.
Home Infusion
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 981-2172
DAVID E BIDDLE NP
Nurse Practitioner
907 E LAMAR ALEXANDER PKWY
MARYVILLE, TN 37804
Blount County (865) 980-4897

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 Molly Oosthuysen's NPI number?

The NPI number for Molly Oosthuysen is 1154786937. It was assigned to this individual provider in the NPPES registry on December 22, 2015.

Where is Molly Oosthuysen located?

Molly Oosthuysen practices at 907 E Lamar Alexander Pkwy, Maryville, TN 37804. The listed phone number is (865) 980-4897.

What is Molly Oosthuysen's specialty?

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

Is Molly Oosthuysen enrolled in Medicare?

Yes. Molly Oosthuysen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Molly Oosthuysen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Oosthuysen reassigns Medicare benefits to 2 organizations: Blount Memorial Physician Group, Inc (Alcoa, TN) and Allergy Specialists Of Knoxville PLLC (Knoxville, 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 Molly Oosthuysen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Molly Oosthuysen accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list Molly Oosthuysen 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 Molly Oosthuysen was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.