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DR. MARY GRACE HALL DNP, PMHNP-BC, FNP-C
NPI 1831505577
Nurse Practitioner - Psychiatric/Mental Health in Warren, OH

Active since July 02, 2014PECOS EnrolledAccepts Medicare Assignment
321 NILES CORTLAND RD NE STE B-C, WARREN, OH 44484(330) 355-3234(330) 975-6343 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 8, 2023, Jan 15, 2019, Mar 17, 2018 (3 updates tracked since 2018).

About Dr. Mary Grace Hall Dnp, Pmhnp-bc, Fnp-c NPPES

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

DR. MARY GRACE HALL DNP, PMHNP-BC, FNP-C (NPI 1831505577) is an individual psychiatric/mental health provider in Warren, Ohio, licensed in Ohio (15950) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1831505577
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDR. MARY GRACE HALLCredential: DNP, PMHNP-BC, FNP-C
Location Address321 NILES CORTLAND RD NE STE B-CWarren, OH 44484-1974
Mailing Address321 Niles Cortland Rd Ne Ste B-cWarren, OH 44484-1974
Phone(330) 355-3234
Fax(330) 975-6343
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateJuly 2, 2014
Last NPPES UpdateJuly 22, 20253 updates tracked since enumeration
NPPES CertifiedJuly 22, 2025
✔ NPI 1831505577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in OH · 15950
321 NILES CORTLAND RD NE STE B-C, Warren, OH 44484
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Other Identifiers 1

Medicaid0113680OH

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 and accepts Medicare assignment

Dr. Mary Grace Hall Dnp, Pmhnp-bc, Fnp-c 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 ID446573216
PECOS Enrollment IDI20141231000739
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services11 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
37 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44484 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
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 2

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

SANDRA MCCAULEY
Case Manager/Care Coordinator
321 NILES CORTLAND RD NE STE B-C
WARREN, OH 44484
Trumbull County (330) 355-3234
MGH HEALTHCARE, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
321 NILES CORTLAND RD NE STE B-C
WARREN, OH 44484
Trumbull County (330) 355-3234

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 Hall's NPI number?

The NPI number for Mary Hall is 1831505577. It was assigned to this individual provider in the NPPES registry on July 2, 2014.

Where is Mary Hall located?

Mary Hall practices at 321 Niles Cortland Rd NE Ste B-C, Warren, OH 44484. The listed phone number is (330) 355-3234.

What is Mary Hall's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Hall enrolled in Medicare?

Yes. Mary Hall 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.

What insurance does Mary Hall accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 6 other insurers list Mary Hall 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 Hall was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.