JOY JOHNSTONE GETER AGAC-NP
NPI 1942884440
Nurse Practitioner - Acute Care in Charleston, SC

Active since May 11, 2021PECOS EnrolledAccepts Medicare Assignment
25 COURTENAY DR, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 18, 2025, Jun 13, 2025, Apr 22, 2024 and 4 more (7 updates tracked since 2021).

About Joy Johnstone Geter Agac-np NPPES

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

JOY JOHNSTONE GETER AGAC-NP (NPI 1942884440) is an individual acute care provider in Charleston, South Carolina, licensed in South Carolina (25439) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942884440
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameJOY JOHNSTONE GETERCredential: AGAC-NP
Location Address25 COURTENAY DRCharleston, SC 29425-9196
Mailing Address9330 Medical Plaza DrCharleston, SC 29406-9104 · (843) 847-4838
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 11, 2021
Last NPPES UpdateDecember 18, 20257 updates tracked since enumeration
NPPES CertifiedDecember 18, 2025
✔ NPI 1942884440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in SC · 25439
25 COURTENAY DR, Charleston, SC 29425

Other Names 1

Former Name (1)Joy C Johnstone

Secondary Practice Locations 2

Location 19330 Medical Plaza DrCharleston, SC 29406-9104 · Phone (843) 847-4838
Location 22095 Henry Tecklenburg DrCharleston, SC 29414-5733 · Phone (843) 402-1000

Other Identifiers 1

MedicaidNP9269SC

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

Joy Johnstone Geter Agac-np 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 ID2860833480
PECOS Enrollment IDI20240514003197
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

6

Medicare enrollment records show Joy Geter reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
125 DOUGHTY ST, SUITE 300
Charleston, SC 29403
  • Reassigned Medicare billing, South Carolina enrollment
  • 140 clinicians in this Medicare group
Obstetrics & Gynecology
171 ASHLEY AVE
Charleston, SC 29425
  • Reassigned Medicare billing, South Carolina enrollment
  • 2,594 clinicians in this Medicare group
Neurology
2095 HENRY TECKLENBURG DR
Charleston, SC 29414
  • Reassigned Medicare billing, South Carolina enrollment
  • Medicare enrollment name: Bon Secours St Francis Xavier Hospital Inc
  • 375 clinicians in this Medicare group
Cardiovascular Disease
3500 HIGHWAY 17 BYP N
Mt Pleasant, SC 29466
  • Reassigned Medicare billing, South Carolina enrollment
  • 114 clinicians in this Medicare group
Specialist
295A MIDLAND PKWY STE 120
Summerville, SC 29485
  • Reassigned Medicare billing, South Carolina enrollment
  • 51 clinicians in this Medicare group
Critical Care Medicine
100 CALLEN BLVD
Summerville, SC 29486
  • Reassigned Medicare billing, South Carolina enrollment
  • 53 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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
41 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Trident Medical Center

Acute Care Hospitals · Charleston, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420079
Location9330 Medical Plaza DrCharleston, SC 29406 · Charleston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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.

Registered Nurse (Critical Care Medicine)
25 COURTENAY DR
CHARLESTON, SC 29425
Dietitian, Registered
25 COURTENAY DR, MSC 290, STE7100A
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
25 COURTENAY DR
CHARLESTON, SC 29425
Dietitian, Registered
25 COURTENAY DR, SUITE 1302
CHARLESTON, SC 29425
Registered Nurse (Ambulatory Care)
25 COURTENAY DR
CHARLESTON, SC 29425
Pharmacist (Pharmacotherapy)
25 COURTENAY DR
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
25 COURTENAY DR, SUITE #4200 MSC240
CHARLESTON, SC 29425
Internal Medicine (Interventional Cardiology)
25 COURTENAY DR, ART 7058 MSC 592
CHARLESTON, SC 29425

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 Joy Geter's NPI number?

The NPI number for Joy Geter is 1942884440. It was assigned to this individual provider in the NPPES registry on May 11, 2021. The provider is also known as Joy C Johnstone.

Where is Joy Geter located?

Joy Geter practices at 25 Courtenay Dr, Charleston, SC 29425. The listed phone number is (843) 792-1414.

What is Joy Geter's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Joy Geter enrolled in Medicare?

Yes. Joy Geter 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 Joy Geter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joy Geter reassigns Medicare benefits to 6 organizations: Roper Hospital, Inc. (Charleston, SC), University Medical Associates Of The Medical University Of South Carol (Charleston, SC), Bon Secours St. Francis Xavier Hosptial, Inc. (Charleston, SC), Roper St. Francis Mount Pleasant Hospital (Mt Pleasant, SC), Coastal Carolina Multispecialty Associates, LLC (Summerville, SC) and 1 more organization, 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 Joy Geter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joy Geter accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and First Choice Next list Joy Geter 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 Joy Geter affiliated with any hospitals?

According to CMS data, Joy Geter is affiliated with Musc Medical Center and Trident Medical Center.

When was this NPI record last updated?

The NPPES record for Joy Geter was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.