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MOLLY GESSICA MAAS
NPI 1396512257
Nurse Practitioner - Critical Care Medicine in Springfield, OR

Active since December 11, 2023PECOS Enrolled
3377 RIVERBEND DR, SPRINGFIELD, OR 97477(541) 222-8400(541) 222-8401 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 14, 2024, Feb 8, 2024, Dec 11, 2023 (3 updates tracked since 2023).

About Molly Gessica Maas NPPES

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

MOLLY GESSICA MAAS (NPI 1396512257) is an individual critical care medicine provider in Springfield, Oregon, licensed in Oregon (10034685) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1396512257
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameMOLLY GESSICA MAAS
Location Address3377 RIVERBEND DRSpringfield, OR 97477-8803
Mailing Address5642 Sw Idaho StPortland, OR 97221-1625 · (805) 368-4993
Phone(541) 222-8400
Fax(541) 222-8401
Sole ProprietorYes
Enumeration DateDecember 11, 2023
Last NPPES UpdateJune 16, 20263 updates tracked since enumeration
NPPES CertifiedJune 16, 2026
✔ NPI 1396512257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in OR · 10034685
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 95029029 (CA), 10034685 (OR), AP61624411 (WA)
3377 RIVERBEND DR, Springfield, OR 97477
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13333 Riverbend DrSpringfield, OR 97477-8800 · Phone (541) 222-7300
Location 2201 NEPark Plaza Drive, Suite 148Vancouver, WA 98684 · Phone (360) 949-9926

Other Identifiers 1

MedicaidAP61624411WA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Molly Gessica Maas 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 Maas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sinuclear Oregon PC
59 mi
Otolaryngology
2355 STATE ST STE 101
Salem, OR 97301
  • Reassigned Medicare billing, Oregon enrollment
  • 8 clinicians in this Medicare group
NPI 1851152730 (310) 927-0654
Sinuclear Washington PC
366 mi
Otolaryngology
100 N HOWARD ST # 5381
Spokane, WA 99201
  • Reassigned Medicare billing, Washington enrollment
  • 15 clinicians in this Medicare group
NPI 1386400463 (310) 927-0654

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 97477 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
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.

AMBER MICHELLE TRAVIS P.A.
Physician Assistant (Surgical)
3377 RIVERBEND DR, PEDIATRIC SURGERY
SPRINGFIELD, OR 97477
Lane County (541) 222-6135
DR. PETER A KOVACH MD
Internal Medicine (Hematology & Oncology)
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 683-5001
MRS. CINDY LOUISE DONNER LPN
Licensed Practical Nurse
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 344-2300
SATYAM LAKSHMANBHAI PATEL MD
Hospitalist
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 222-6389
ARJUN KHUNGER MD
Internal Medicine
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 222-6389
CIERRA HIBBS-PORTER-ROGGE NP
Nurse Practitioner
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 222-8400
MARY HALPERT P.T.
Physical Therapist
3377 RIVERBEND DR, OREGON BARIATRIC CENTER
SPRINGFIELD, OR 97477
Lane County (541) 222-2700
ELIZABETH MEGAN CALLAN M.D.
Psychiatry & Neurology (Neurology)
3377 RIVERBEND DR
SPRINGFIELD, OR 97477
Lane County (541) 222-8400

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 Maas's NPI number?

The NPI number for Molly Maas is 1396512257. It was assigned to this individual provider in the NPPES registry on December 11, 2023.

Where is Molly Maas located?

Molly Maas practices at 3377 Riverbend Dr, Springfield, OR 97477. The listed phone number is (541) 222-8400.

What is Molly Maas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Molly Maas enrolled in Medicare?

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

Which organizations bill Medicare for Molly Maas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Molly Maas reassigns Medicare benefits to 2 organizations: Sinuclear Oregon PC (Salem, OR) and Sinuclear Washington PC (Spokane, WA). 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 Maas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Molly Maas was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.