1. Home
  2. Directory
  3. Missouri
  4. Maryville
  5. Counselor
  6. NPI Profile

HOLLY MARIE MCMILLEN LPC
NPI 1356190227
Counselor - Mental Health in Maryville, MO

Active since May 14, 2024PECOS EnrolledAccepts Medicare Assignment
114 E SOUTH HILLS DR, MARYVILLE, MO 64468(660) 562-4305 Get Directions Write a Review

NPPES record last updated: May 14, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Holly Marie Mcmillen Lpc NPPES

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

HOLLY MARIE MCMILLEN LPC (NPI 1356190227) is an individual mental health provider in Maryville, Missouri, licensed in Missouri (2016013201) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1356190227
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameHOLLY MARIE MCMILLENCredential: LPC
Location Address114 E SOUTH HILLS DRMaryville, MO 64468-2659
Mailing Address25569 Pleasant DrMaryville, MO 64468-7309 · (660) 853-7348
Phone(660) 562-4305
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 14, 2024
NPPES CertifiedMay 14, 2024
✔ NPI 1356190227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MO · 2016013201
114 E SOUTH HILLS DR, Maryville, MO 64468
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health 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

Holly Marie Mcmillen Lpc 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 ID9234673344
PECOS Enrollment IDI20240701001274
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 Holly Mcmillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mosaic Medical Center - Maryville
2.2 mi
Specialist
2016 S MAIN ST
Maryville, MO 64468
  • Reassigned Medicare billing, Missouri enrollment
  • 341 clinicians in this Medicare group
NPI 1184189797 (660) 562-2525

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MR. ILYA O STAGNER FNP-C
Nurse Practitioner (Family)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-4304
VICKI LEE THOMPSON LCSW
Social Worker (Clinical)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-2525
MARTHA R. MUSTION F.N.P.
Nurse Practitioner (Family)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-2525
DR. AMRIT P. SINGH M.D.
Internal Medicine
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-2525
MRS. KRISTINE K KRAMER PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-2525
DR. ALEJANDRO A. AMANTE M.D.
Psychiatry & Neurology (Psychiatry)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-4305
ATHENA R THOMPSON
Social Worker (Clinical)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-4304
CALI M LLOYD LCSW
Social Worker (Clinical)
114 E SOUTH HILLS DR
MARYVILLE, MO 64468
Nodaway County (660) 562-2525

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 Holly Mcmillen's NPI number?

The NPI number for Holly Mcmillen is 1356190227. It was assigned to this individual provider in the NPPES registry on May 14, 2024.

Where is Holly Mcmillen located?

Holly Mcmillen practices at 114 E South Hills Dr, Maryville, MO 64468. The listed phone number is (660) 562-4305.

What is Holly Mcmillen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Holly Mcmillen enrolled in Medicare?

Yes. Holly Mcmillen 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 Holly Mcmillen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Holly Mcmillen reassigns Medicare benefits to Mosaic Medical Center - Maryville (Maryville, MO). 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 Holly Mcmillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Holly Mcmillen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Holly Mcmillen 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 Holly Mcmillen was last updated on May 14, 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.