MARIAH OSTERMILLER MHP
NPI 1457290686
Counselor in Quincy, IL

Active since March 25, 2026
639 YORK ST, QUINCY, IL 62301(217) 222-6277(217) 224-1155 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mariah Ostermiller Mhp NPPES

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

MARIAH OSTERMILLER MHP (NPI 1457290686) is an individual counselor in Quincy, Illinois and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1457290686
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameMARIAH OSTERMILLERCredential: MHP
Location Address639 YORK STQuincy, IL 62301-3963
Mailing Address902 W Main StWest Frankfort, IL 62896-2210 · (618) 326-2772 · Fax (618) 937-1440
Fax(217) 224-1155
Sole ProprietorNo
Enumeration DateMarch 25, 2026
NPPES CertifiedMarch 25, 2026
NPI 1457290686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
639 YORK ST, Quincy, IL 62301

Other Names 1

Former Name (1)Madison Shaffer

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.

Counselor (Addiction (Substance Use Disorder))
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Clinic/Center (Community Health)
639 YORK ST
QUINCY, IL 62301
Assisted Living Facility
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301
Counselor
639 YORK ST
QUINCY, IL 62301

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 Mariah Ostermiller's NPI number?

The NPI number for Mariah Ostermiller is 1457290686. It was assigned to this individual provider in the NPPES registry on March 25, 2026. The provider is also known as Madison Shaffer.

Where is Mariah Ostermiller located?

Mariah Ostermiller practices at 639 York St, Quincy, IL 62301. The listed phone number is (217) 222-6277.

What is Mariah Ostermiller's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Mariah Ostermiller was last updated on March 25, 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.