MRS. CAROLANN HARVEY ALLEN MSN, APRN, PMHNP-BC
NPI 1295351211
Nurse Practitioner - Psychiatric/Mental Health in Aiken, SC

Active since June 25, 2020PECOS EnrolledAccepts Medicare Assignment
1000 CLYBURN PL, AIKEN, SC 29801(803) 380-7000 Get Directions Write a Review

NPPES record last updated: October 5, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 8, 2025, Jul 11, 2023, Oct 5, 2022 and 2 more (5 updates tracked since 2020).

About Mrs. Carolann Harvey Allen Msn, Aprn, Pmhnp-bc NPPES

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

MRS. CAROLANN HARVEY ALLEN MSN, APRN, PMHNP-BC (NPI 1295351211) is an individual psychiatric/mental health provider in Aiken, South Carolina, licensed in South Carolina (26650) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Aiken Regional Medical Center, and maintains a secondary practice location in Aiken.

NPPES Registry Identity

NPI1295351211
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. CAROLANN HARVEY ALLENCredential: MSN, APRN, PMHNP-BC
Location Address1000 CLYBURN PLAiken, SC 29801-4193
Mailing Address1000 Clyburn PlAiken, SC 29801-4193
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 25, 2020
Last NPPES UpdateOctober 5, 20225 updates tracked since enumeration
NPPES CertifiedOctober 5, 2022
✔ NPI 1295351211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in SC · 26650
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 238030 (SC)
1000 CLYBURN PL, Aiken, SC 29801

Other Names 1

Former Name (1)Carolann Makenzie Harvey

Secondary Practice Location 1

Location 1302 University PkwyAiken, SC 29801-6302 · Phone (832) 869-4818

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

Mrs. Carolann Harvey Allen Msn, Aprn, Pmhnp-bc 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 ID3779920814
PECOS Enrollment IDI20240423002765
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 Carolann Allen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
1000 CLYBURN PL
Aiken, SC 29801
  • Reassigned Medicare billing, South Carolina enrollment
  • Also billed through NPI 1609646611 (South Carolina), NPI 1053362111 (South Carolina)
  • 26 clinicians in this Medicare group
Psychiatry
221 ADLEY WAY
Greenville, SC 29607
  • Reassigned Medicare billing, South Carolina enrollment
  • 34 clinicians in this Medicare group
Psychiatry
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, South Carolina enrollment
  • 46 clinicians in this Medicare group
Family Medicine
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, South Carolina enrollment
  • 45 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aiken Regional Medical Center

Acute Care Hospitals · Aiken, SC
2/5 CMS rating
OwnershipProprietary
CMS Certification Number420082
Location302 University ParkwayAiken, SC 29801 · Aiken County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29801 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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 20

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

Technician/Technologist (Optician)
1000 CLYBURN PL
AIKEN, SC 29801
Social Worker
1000 CLYBURN PL
AIKEN, SC 29801
Nurse Practitioner (Family)
1000 CLYBURN PL
AIKEN, SC 29801
Pediatrics
1000 CLYBURN PL
AIKEN, SC 29801
Obstetrics & Gynecology
1000 CLYBURN PL
AIKEN, SC 29801
Dentist
1000 CLYBURN PL
AIKEN, SC 29801
Registered Nurse (General Practice)
1000 CLYBURN PL
AIKEN, SC 29801
Registered Nurse
1000 CLYBURN PL
AIKEN, SC 29801

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 Carolann Allen's NPI number?

The NPI number for Carolann Allen is 1295351211. It was assigned to this individual provider in the NPPES registry on June 25, 2020. The provider is also known as Carolann Makenzie Harvey.

Where is Carolann Allen located?

Carolann Allen practices at 1000 Clyburn Pl, Aiken, SC 29801. The listed phone number is (803) 380-7000.

What is Carolann Allen's specialty?

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

Is Carolann Allen enrolled in Medicare?

Yes. Carolann Allen 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 Carolann Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolann Allen reassigns Medicare benefits to 4 organizations: Rural Health Services, Inc (Aiken, SC), South Carolina United Psych LLC (Greenville, SC), Psychiatry Of Texas PLLC (Houston, TX) and Psychplus Medical Associates, PLLC (Houston, TX). 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 Carolann Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carolann Allen accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Carolann Allen 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 Carolann Allen affiliated with any hospitals?

According to CMS data, Carolann Allen is affiliated with Aiken Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Carolann Allen was last updated on October 5, 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.