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MARY HELEN HANESSIAN MD
NPI 1508003294
Psychiatry & Neurology - Psychiatry in Athens, OH

Active since January 16, 2009PECOS Enrolled
90 HOSPITAL DR, ATHENS, OH 45701(740) 593-3682(740) 593-8659 Get Directions Write a Review

NPPES record last updated: November 30, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Helen Hanessian Md NPPES

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

MARY HELEN HANESSIAN MD (NPI 1508003294) is an individual psychiatry provider in Athens, Ohio, licensed in Ohio (35-127047) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508003294
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameMARY HELEN HANESSIANCredential: MD
Location Address90 HOSPITAL DRAthens, OH 45701-2301
Mailing Address90 Hospital DrAthens, OH 45701-2301 · (740) 593-3682 · Fax (740) 593-8659
Phone(740) 593-3682
Fax(740) 593-8659
Sole ProprietorNo
Enumeration DateJanuary 16, 2009
Last NPPES UpdateNovember 30, 2015
✔ NPI 1508003294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in OH · 35-127047
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
90 HOSPITAL DR, Athens, OH 45701
Open in Google Maps ↗

Other Names 1

Former Name (1)Mary Helen Kenny

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Helen Hanessian Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45701 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
$166.65 typical visit price
range $54.34 – $166.65
Typical copayment $41.66 (range $13.58 – $41.66)
Most-billed visit code 99205
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

KATIE WOOD
Case Manager/Care Coordinator
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 592-3091
ELIZABETH NIHISER QMHS
Behavior Analyst
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 592-3091
GREGORY P BEARD QMHS
Case Manager/Care Coordinator
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 592-3091
HEATHER GARY CDCA
Counselor (Addiction (Substance Use Disorder))
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 593-3682
TAMMY M STAGE LPCC-SUPERVISION
Counselor (Professional)
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 592-3091
JALEN CAMPBELL QMHS
Case Manager/Care Coordinator
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 592-3091
MARIKAY J VANDERVEN LPC
Counselor (Professional)
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 593-3682
KATE C JIGGINS LPCC, CDCA
Counselor (Professional)
90 HOSPITAL DR
ATHENS, OH 45701
Athens County (740) 593-3682

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 Hanessian's NPI number?

The NPI number for Mary Hanessian is 1508003294. It was assigned to this individual provider in the NPPES registry on January 16, 2009. The provider is also known as Mary Helen Kenny.

Where is Mary Hanessian located?

Mary Hanessian practices at 90 Hospital Dr, Athens, OH 45701. The listed phone number is (740) 593-3682.

What is Mary Hanessian's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mary Hanessian enrolled in Medicare?

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

What insurance does Mary Hanessian accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual list Mary Hanessian 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 Hanessian was last updated on November 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.