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

NPI Status: Active since February 01, 2024

Contact Information

9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC
ZIP 29406
Phone: (843) 797-7000

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  • Individual
  • Male
  • Years of Experience 2
  • Physician Assistant
  • Accepts Insurance
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About CONOR JOHNSTON

This page provides the complete NPI Profile along with additional information for Conor Johnston, a primary care provider established in North Charleston, South Carolina with a medical specialization in Physician Assistant and more than 2 years of experience. He graduated from Medical University Of South Carolina College Of Medicine in 2024. The healthcare provider is registered in the NPI registry with number 1275396293 assigned on February 2024. The practitioner's primary taxonomy code is 363A00000X with license number 5586 (SC). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1275396293
Provider Name
CONOR HAMILTON JOHNSTON PA-C
Gender
Male
Entity Type
Individual
Location Address
9330 MEDICAL PLAZA DR NORTH CHARLESTON, SC 29406
Location Phone
(843) 797-7000
Mailing Address
PO BOX 751461 CHARLOTTE, NC 28275
Medical School Name
MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduation Year
2024
Is Sole Proprietor?
No
Enumeration Date
02-01-2024
Last Update Date
04-23-2026
Code Navigator

A primary care provider (PCP) like Conor Johnston sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Secondary Locations

  • 171 Ashley Ave
    Charleston, SC 29425
    (843) 792-1414
  • 96 Jonathan Lucas St
    Charleston, SC 29425
    (843) 792-3826
  • 955 Ribaut Rd
    Beaufort, SC 29902
    (843) 522-5101
  • 5249 Emmett I Davis Jr Ave
    North Charleston, SC 29418
    (843) 746-2400
  • 295 Midland Pkwy
    Summerville, SC 29485
    (843) 970-5000

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
5586
License State
SC
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • UHC Bronze Copay Focus $0 Indiv Med Ded - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
  • UHC Bronze Essential - HMO
  • UHC Bronze Essential- - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard Plus Chiro - HMO
  • UHC Gold Advantage - HMO
  • UHC Gold Advantage+ (Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded - HMO
  • UHC Gold Standard - HMO
  • UHC Gold Standard Plus Chiro - HMO
  • UHC Silver Advantage - HMO
  • UHC Silver Advantage+ (Dental + Vision) - HMO
  • UHC Silver Copay Focus $0 Indiv Med Ded - HMO
  • UHC Silver Standard - HMO
  • UHC Silver Standard- - HMO
  • UHC Silver Standard Plus Chiro - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Conor Johnston is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Conor Johnston is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1153847678

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250428004149

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 29406 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $83.18
  • Minimum New Patient Price $53.57
  • Maximum New Patient Price $163.84
  • Average New Patient Copayment $20.79
  • Minimum New Patient Copayment $13.39
  • Maximum New Patient Copayment $40.96

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $67.12
  • Minimum Established Patient Price $16.96
  • Maximum Established Patient Price $133.52
  • Average Established Patient Copayment $16.78
  • Minimum Established Patient Copayment $4.24
  • Maximum Established Patient Copayment $33.38

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for CONOR HAMILTON JOHNSTON PA-C

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1275396293, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 3 → 6 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 4 + 5 + 6 + 9 + 1 + 2 + 2 + 1 + 8 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1275396293.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics (Neonatal-Perinatal Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Pathology (Anatomic Pathology & Clinical Pathology)
9330 MEDICAL PLAZA DR
N CHARLESTON, SC 29406
Pathology (Anatomic Pathology & Clinical Pathology)
9330 MEDICAL PLAZA DR
N CHARLESTON, SC 29406
Family Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Internal Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Psychiatry & Neurology (Psychiatry)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Family Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Specialist
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Internal Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Emergency Medicine
9330 MEDICAL PLAZA DR, EMERGENCY DEPARTMENT
CHARLESTON, SC 29406
Internal Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Nurse Practitioner (Adult Health)
9330 MEDICAL PLAZA DR, C/O COASTAL INPATIENT PHYSICIANS
CHARLESTON, SC 29406
Pediatrics (Neonatal-Perinatal Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Pharmacist
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Family Medicine
9330 MEDICAL PLAZA DR, COASTAL INPATIENT PHYSICIANS
CHARLESTON, SC 29406
Physician Assistant
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Internal Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Internal Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275396293, enumerated as an "individual" on February 01, 2024.

The provider is located at 9330 MEDICAL PLAZA DR NORTH CHARLESTON, SC 29406 and the phone number is (843) 797-7000.

Physician Assistant with taxonomy code 363A00000X.

The provider might be accepting Accepts: UnitedHealthcare. Please consult your insurance carrier or call the provider to verify.