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EMILY AERTS
NPI 1154894186
Social Worker - Clinical in Billings, MT

Active since January 02, 2019PECOS EnrolledAccepts Medicare Assignment
123 S 27TH ST, BILLINGS, MT 59101(406) 247-3350(406) 247-3389 Get Directions Write a Review

NPPES record last updated: March 19, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 23, 2019, Jan 2, 2019 (2 updates tracked since 2019).

About Emily Aerts NPPES

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

EMILY AERTS (NPI 1154894186) is an individual clinical provider in Billings, Montana, licensed in Montana (BBH-LCSW-LIC-35971) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1154894186
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameEMILY AERTS
Location Address123 S 27TH STBillings, MT 59101-4227
Mailing Address123 S 27th StBillings, MT 59101-4227 · (406) 247-3350 · Fax (406) 247-3389
Phone(406) 247-3350
Fax(406) 247-3389
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJanuary 2, 2019
Last NPPES UpdateMarch 19, 20242 updates tracked since enumeration
NPPES CertifiedMarch 19, 2024
✔ NPI 1154894186 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 MT · BBH-LCSW-LIC-35971
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.
123 S 27TH ST, Billings, MT 59101
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Other Identifiers 2

MedicaidBBH-LCSW-LIC-35971MT
Medicaid1265556757MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans 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 and accepts Medicare assignment

Emily Aerts 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 ID1951768167
PECOS Enrollment IDI20230602002053
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 Emily Aerts reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yellowstone City-County Health Dept
0.3 mi
Federally Qualified Health Center (FQHC)
123 S 27TH ST
Billings, MT 59101
  • Reassigned Medicare billing, Montana enrollment
  • 42 clinicians in this Medicare group
NPI 1841219698 (406) 247-3350

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 59101 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 $56.81 – $172.26
Typical copayment $0.00 (range $14.20 – $43.06)
Most-billed visit code NA
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
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 20

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

KARMEN HAMMERMEISTER RN
Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3382
DR. JENNIFER AKIKO VINNOLA DRPH, MS, RD
Dietitian, Registered
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3350
SAMANTHA MILLER RN
Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3350
PAMELA WETSTEIN RN
Registered Nurse
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3220
YELLOWSTONE CITY-COUNTY HEALTH DEPARTMENT
Public Health or Welfare
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3200
SHAE ELIZABETH SAUNDERS MD
Family Medicine
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3350
ASHLEY DAWN MARIE BAUMEISTER
Registered Nurse (Case Management)
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3360
MEGAN B LITTLEFIELD M.D.
Internal Medicine
123 S 27TH ST
BILLINGS, MT 59101
Yellowstone County (406) 247-3350

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 Emily Aerts's NPI number?

The NPI number for Emily Aerts is 1154894186. It was assigned to this individual provider in the NPPES registry on January 2, 2019.

Where is Emily Aerts located?

Emily Aerts practices at 123 S 27th St, Billings, MT 59101. The listed phone number is (406) 247-3350.

What is Emily Aerts's specialty?

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

Is Emily Aerts enrolled in Medicare?

Yes. Emily Aerts 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 organization bills Medicare for Emily Aerts's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Aerts reassigns Medicare benefits to Yellowstone City-County Health Dept (Billings, MT). 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 Emily Aerts's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Emily Aerts accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and UnitedHealthcare list Emily Aerts 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 Emily Aerts was last updated on March 19, 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.