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CONOR HAMILTON JOHNSTON PA-C
NPI 1275396293
Physician Assistant in North Charleston, SC

Active since February 01, 2024PECOS EnrolledAccepts Medicare Assignment
9330 MEDICAL PLAZA DR, NORTH CHARLESTON, SC 29406(843) 797-7000 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 23, 2026, Jan 14, 2026, Sep 9, 2025 and 3 more (6 updates tracked since 2024).

About Conor Hamilton Johnston Pa-c NPPES

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

CONOR HAMILTON JOHNSTON PA-C (NPI 1275396293) is an individual physician assistant in North Charleston, South Carolina, licensed in South Carolina (5586) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Medical University Of South Carolina College Of Medicine (2024).

NPPES Registry Identity

NPI1275396293
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameCONOR HAMILTON JOHNSTONCredential: PA-C
Location Address9330 MEDICAL PLAZA DRNorth Charleston, SC 29406-9104
Mailing AddressPo Box 751461Charlotte, NC 28275-1461
Phone(843) 797-7000
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2024
Enumeration DateFebruary 1, 2024
Last NPPES UpdateApril 23, 20266 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1275396293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in SC · 5586
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
9330 MEDICAL PLAZA DR, North Charleston, SC 29406
Open in Google Maps ↗

Secondary Practice Locations 5

Location 196 Jonathan Lucas StCharleston, SC 29425-8900 · Phone (843) 792-3826
Location 2955 Ribaut RdBeaufort, SC 29902-5441 · Phone (843) 522-5101
Location 35249 Emmett I Davis Jr AveNorth Charleston, SC 29418-7924 · Phone (843) 746-2400
Location 4295 Midland PkwySummerville, SC 29485-8104 · Phone (843) 970-5000
Location 5171 Ashley AveCharleston, SC 29425-8908 · Phone (843) 792-1414

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Conor Hamilton Johnston Pa-c 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 ID1153847678
PECOS Enrollment IDI20250428004149
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29406 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
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
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 20

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

MR. RICHARD DALE BRINSON MSN, APRN, NP-C
Nurse Practitioner (Acute Care)
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 847-4595
DR. DARRYL EDWARD MCFARLAND MD
Internal Medicine (Critical Care Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
ROSSEN IVANOV KIRKOV MD
Emergency Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 797-7000
MORGAN ELISABETH HUNT
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. ALLISON LUNDY MCCRAE MD
Surgery
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. SARAH CARTER PT, DPT
Physical Therapist
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Charleston County (843) 797-7000
DR. VINCENT PAUL GRZYWACZ II MD
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-4571
MISBHA ANJUM MD
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Charleston County (843) 847-5620

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 Conor Johnston's NPI number?

The NPI number for Conor Johnston is 1275396293. It was assigned to this individual provider in the NPPES registry on February 1, 2024.

Where is Conor Johnston located?

Conor Johnston practices at 9330 Medical Plaza Dr, North Charleston, SC 29406. The listed phone number is (843) 797-7000.

What is Conor Johnston's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Conor Johnston enrolled in Medicare?

Yes. Conor Johnston 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.

What insurance does Conor Johnston accept?

Health plans from UnitedHealthcare list Conor Johnston 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 Conor Johnston was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.