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MARY LYN OETTER MSW
NPI 1720117815
Social Worker - Clinical in Atlantic, IA

Active since March 05, 2007PECOS Enrolled
101 E 22ND ST, ATLANTIC, IA 50022(712) 254-9018(712) 254-9019 Get Directions Write a Review

NPPES record last updated: March 22, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Lyn Oetter Msw NPPES

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

MARY LYN OETTER MSW (NPI 1720117815) is an individual clinical provider in Atlantic, Iowa, licensed in Iowa (05175) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720117815
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARY LYN OETTERCredential: MSW
Location Address101 E 22ND STAtlantic, IA 50022-2800
Mailing AddressPo Box 1Panama, IA 51562-0001 · (712) 254-9018 · Fax (712) 254-9019
Phone(712) 254-9018
Fax(712) 254-9019
Sole ProprietorNo
Enumeration DateMarch 5, 2007
Last NPPES UpdateMarch 22, 2018
✔ NPI 1720117815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IA · 05175
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
101 E 22ND ST, Atlantic, IA 50022
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Lyn Oetter Msw 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 Reassignment

Medicare enrollment records show Mary Oetter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Heartland Family Service
24 mi
Counselor
719 MARKET ST
Harlan, IA 51537
  • Reassigned Medicare billing, Iowa enrollment
  • 29 clinicians in this Medicare group
NPI 1437804333 (402) 553-3000

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 50022 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
$0.00 typical visit price
range $52.96 – $161.40
Typical copayment $0.00 (range $13.24 – $40.35)
Most-billed visit code NA
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
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 5

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

MRS. MELANIE FELL TLMHC
Counselor (Mental Health)
101 E 22ND ST
ATLANTIC, IA 50022
Cass County (712) 254-9018
THERAPY PLACE, INC.
Social Worker (Clinical)
101 E 22ND ST
ATLANTIC, IA 50022
Cass County (712) 254-9018
MRS. RACHEL MARIE HARRELSON
Counselor (Mental Health)
101 E 22ND ST
ATLANTIC, IA 50022
Cass County (712) 254-9018
MS. ANN MARIE YOUNG LMSW
Social Worker (Clinical)
101 E 22ND ST
ATLANTIC, IA 50022
Cass County (712) 254-9018
NICHOLE MARIE WATERMAN
Counselor (Mental Health)
101 E 22ND ST
ATLANTIC, IA 50022
Cass County (712) 254-9018

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 Oetter's NPI number?

The NPI number for Mary Oetter is 1720117815. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Mary Oetter located?

Mary Oetter practices at 101 E 22nd St, Atlantic, IA 50022. The listed phone number is (712) 254-9018.

What is Mary Oetter's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mary Oetter enrolled in Medicare?

Yes. Mary Oetter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Oetter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Oetter reassigns Medicare benefits to Heartland Family Service (Harlan, IA). The 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 Oetter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Oetter accept?

Health plans from Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Mary Oetter 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 Oetter was last updated on March 22, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.