MARY OLABISI HOLLIST DO
NPI 1689087983
Psychiatry & Neurology - Neurology in Chapel Hill, NC
About Mary Olabisi Hollist Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY OLABISI HOLLIST DO (NPI 1689087983) is an individual neurology provider in Chapel Hill, North Carolina, licensed in North Carolina (2021-01692) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Carolinas Medical Center-northeast, and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 7
Accepted 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
Mary Olabisi Hollist Do 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.
Medicare Billing Reassignments
10Medicare enrollment records show Mary Hollist reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Novant Health Medical Group, LLC
- 2,998 clinicians in this Medicare group
Greensboro, NC 27410
- Reassigned Medicare billing, North Carolina enrollment
- 1,202 clinicians in this Medicare group
Troy, NC 27371
- Reassigned Medicare billing, North Carolina enrollment
- 2,057 clinicians in this Medicare group
Albemarle, NC 28001
- Reassigned Medicare billing, North Carolina enrollment
- 1,534 clinicians in this Medicare group
Concord, NC 28025
- Reassigned Medicare billing, North Carolina enrollment
- 2,223 clinicians in this Medicare group
Waldorf, MD 20603
- Reassigned Medicare billing, Virginia enrollment
- 2,379 clinicians in this Medicare group
Jefferson Cty, TN 37760
- Reassigned Medicare billing, Tennessee enrollment
- 11 clinicians in this Medicare group
Durand, MI 48429
- Reassigned Medicare billing, Michigan enrollment
- 328 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Boca Raton, FL 33431
- Reassigned Medicare billing, Florida, Missouri, Mississippi and Tennessee enrollments
- 139 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 6
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Carolinas Medical Center-Northeast
Acute Care Hospitals · Concord, NCNovant Health Forsyth Medical Center
Acute Care Hospitals · Winston-Salem, NCCarolinas Medical Center/Behav Health
Acute Care Hospitals · Charlotte, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27514 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHAPEL HILL, NC 27514
CHAPEL HILL, NC 27514
CHAPEL HILL, NC 27514
CHAPEL HILL, NC 27514
CHAPEL HILL, NC 27514
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 Hollist's NPI number?
The NPI number for Mary Hollist is 1689087983. It was assigned to this individual provider in the NPPES registry on June 4, 2014.
Where is Mary Hollist located?
Mary Hollist practices at 101 Manning Dr, Chapel Hill, NC 27514. The listed phone number is (984) 974-1000.
What is Mary Hollist's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Mary Hollist enrolled in Medicare?
Yes. Mary Hollist 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 organizations bill Medicare for Mary Hollist's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Hollist reassigns Medicare benefits to 10 organizations: Novant Medical Group, Inc. (Durham, NC), Forsyth Memorial Hospital, Inc. (Greensboro, NC), Carolinas Physicians Network Inc (Troy, NC), The Charlotte-Mecklenburg Hospital Authority (Albemarle, NC), Carolinas Medical Center (Concord, NC) and 5 more organizations, listed in the Medicare section above. 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 Mary Hollist's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Hollist accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 2 other insurers list Mary Hollist 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.
Is Mary Hollist affiliated with any hospitals?
According to CMS data, Mary Hollist is affiliated with Carolinas Medical Center-Northeast, Novant Health Forsyth Medical Center and Carolinas Medical Center/Behav Health.
When was this NPI record last updated?
The NPPES record for Mary Hollist was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.
# Mary Olabisi Hollist, DO · NPI 1689087983
Neurology physician in Chapel Hill, North Carolina. Individual provider, active in the CMS NPPES registry since June 4, 2014.
## Identity
- **NPI:** 1689087983 (Entity type: Individual)
- **Enumerated:** June 4, 2014
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 2021-01692 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 MANNING DR, Chapel Hill, NC 27514-4220
- **Phone:** (984) 974-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Novant Medical Group, Inc. (NPI 1801044748, Durham, NC); Forsyth Memorial Hospital, Inc. (NPI 1124522933, Greensboro, NC); Carolinas Physicians Network Inc (NPI 1548664303, Troy, NC); The Charlotte-Mecklenburg Hospital Authority (NPI 1023455987, Albemarle, NC); Carolinas Medical Center (NPI 1467790055, Concord, NC); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2014
## Record status
- **NPPES last updated:** September 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689087983) · Data from the CMS NPPES public registry.