ABIGAIL B RICHISON
NPI 1720519085
Psychiatry & Neurology - Addiction Psychiatry in Little Rock, AR
About Abigail B Richison NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIGAIL B RICHISON (NPI 1720519085) is an individual addiction psychiatry provider in Little Rock, Arkansas, licensed in Arkansas (E-15523) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Abigail B Richison 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 Reassignment
Medicare enrollment records show Abigail Richison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- Also billed through NPI 1669188157 (Arkansas)
- 8 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 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.
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.
LITTLE ROCK, AR 72205
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 Abigail Richison's NPI number?
The NPI number for Abigail Richison is 1720519085. It was assigned to this individual provider in the NPPES registry on March 27, 2017. The provider is also known as Abbey Richison.
Where is Abigail Richison located?
Abigail Richison practices at 4224 Shuffield Dr, Little Rock, AR 72205. The listed phone number is (501) 526-8400.
What is Abigail Richison's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.
Is Abigail Richison enrolled in Medicare?
Yes. Abigail Richison 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 organization bills Medicare for Abigail Richison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Richison reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). The 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 Abigail Richison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abigail Richison accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Abigail Richison 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 Abigail Richison was last updated on September 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Abigail B Richison · NPI 1720519085
Addiction Psychiatry physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1720519085 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Psychiatry & Neurology - Addiction Psychiatry · taxonomy 2084P0802X
- **State license:** E-15523 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4224 SHUFFIELD DR, Little Rock, AR 72205-7211
- **Phone:** (501) 526-8400 · **Fax:** (501) 526-8499
## 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:** University Of Arkansas For Medical Sciences (NPI 1508337460, Little Rock, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2017
## Record status
- **NPPES last updated:** September 2, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1720519085) · Data from the CMS NPPES public registry.