Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LARRILYN LOUISE GRANT MD
NPI 1841796943
Psychiatry & Neurology - Psychiatry in Dayton, OH

Active since April 05, 2018PECOS Enrolled
2611 WAYNE AVE BLDG 61, DAYTON, OH 45420(937) 228-0579 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Sep 16, 2024, Jan 23, 2020 (3 updates tracked since 2020).

About Larrilyn Louise Grant Md NPPES

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

LARRILYN LOUISE GRANT MD (NPI 1841796943) is an individual psychiatry provider in Dayton, Ohio, licensed in Ohio (35.144386) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Wright State University Boonshoft School Of Medicine (2018).

NPPES Registry Identity

NPI1841796943
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameLARRILYN LOUISE GRANTCredential: MD
Location Address2611 WAYNE AVE BLDG 61Dayton, OH 45420-1833
Mailing Address6400 E Broad St Ste 400Columbus, OH 43213-2979 · (614) 655-3345
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2018
Enumeration DateApril 5, 2018
Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1841796943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in OH · 35.144386
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.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 35.144386 (OH)
2611 WAYNE AVE BLDG 61, Dayton, OH 45420

Secondary Practice Locations 3

Location 1700 Childrens DrColumbus, OH 43205-2664 · Phone (614) 722-6200
Location 2444 Butterfly Gardens DrColumbus, OH 43215-3427 · Phone (614) 355-8508
Location 3118 Dowell AveBellefontaine, OH 43311-2305 · Phone (937) 593-5437

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Larrilyn Louise Grant Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5395090450
PECOS Enrollment IDI20231025000518
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 Reassignments

4

Medicare enrollment records show Larrilyn Grant reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Substance Abuse Rehabilitation Facility
2611 WAYNE AVE BLDG 64
Dayton, OH 45420
  • Reassigned Medicare billing, Ohio enrollment
  • 64 clinicians in this Medicare group
Clinic/Center
601 S EDWIN C MOSES BLVD, FIRST FLOOR, NW BUILDING
Dayton, OH 45417
  • Reassigned Medicare billing, Ohio enrollment
  • 100 clinicians in this Medicare group
Surgery
3130 N COUNTY ROAD 25-A
Troy, OH 45373
  • Reassigned Medicare billing, Ohio enrollment
  • 154 clinicians in this Medicare group
General Acute Care Hospital
205 PALMER AVENUE
Bellefontaine, OH 43311
  • Reassigned Medicare billing, Ohio enrollment
  • 131 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims

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.
72 services38 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45420 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 10

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

Case Manager/Care Coordinator
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Registered Nurse (Psychiatric/Mental Health, Adult)
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Case Manager/Care Coordinator
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Counselor
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Case Manager/Care Coordinator
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Social Worker
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Case Manager/Care Coordinator
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420
Case Manager/Care Coordinator
2611 WAYNE AVE BLDG 61
DAYTON, OH 45420

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 Larrilyn Grant's NPI number?

The NPI number for Larrilyn Grant is 1841796943. It was assigned to this individual provider in the NPPES registry on April 5, 2018.

Where is Larrilyn Grant located?

Larrilyn Grant practices at 2611 Wayne Ave Bldg 61, Dayton, OH 45420. The listed phone number is (937) 228-0579.

What is Larrilyn Grant's specialty?

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

Is Larrilyn Grant enrolled in Medicare?

Yes. Larrilyn Grant is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Larrilyn Grant's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larrilyn Grant reassigns Medicare benefits to 4 organizations: Access Ohio, LLC (Dayton, OH), Samaritan Behavioral Health, Inc. (Dayton, OH), Uvpc Specialists Inc. (Troy, OH) and Mary Rutan Hospital (Bellefontaine, OH). Each 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 Larrilyn Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larrilyn Grant accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 5 other insurers list Larrilyn Grant 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 Larrilyn Grant was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.