MyCareCost

Compare and Negotiate Healthcare Pricing

Physician

REID JOHNSTONE, MD

Allergy & Immunology

GREENVILLE, SC, 29615
NPI: 1013907260

Hospital Affiliations

No hospital affiliations on file. Choose a procedure to open search with this physician's NPI and billing code

Common Procedures for Allergy & Immunology

Allergy Skin TestingImmunotherapy (Allergy Shots)Pulmonary Function TestingPatch TestingDrug Allergy TestingAsthma ManagementEczema TreatmentImmunodeficiency Evaluation

Based on specialty. Actual services may vary — contact the provider's office to confirm.

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
99204
New patient office or other outpatient visit, 45-59 minutes
$319$157$10643
99214
Established patient office or other outpatient visit, 30-39 minutes
$224$120$8864
99203
New patient office or other outpatient visit, 30-44 minutes
$200$105$6943
95148
Professional service for preparation and provision of 4 stinging insect venom
$165$79$62148
99213
Established patient office or other outpatient visit, 20-29 minutes
$153$85$59289
94010
Test to measure expiratory airflow and volume
$82$25$1862
J2357
Injection, omalizumab, 5 mg
$71$38$302,250
96372
Injection of drug or substance under skin or into muscle
$56$13$10136
95170
Professional service for preparation and provision of whole body extract of biting insect or arthropod antigens
$40$10$8145
95117
Professional service for multiple injections of allergen
$38$11$7988
95165
Professional service for preparation and provision of 1 or more antigens
$29$14$101,495
95115
Professional service for single injection of allergen
$29$9$6548
96160
Administration and interpretation of patient-focused health risk assessment
$19$2$2167
95024
Test for allergy using allergenic extract injected into skin
$16$7$6214
95044
Test for allergy using skin patch
$16$4$3874
95004
Test for allergy using allergenic extract
$14$4$33,295

Compare prices for procedures performed by Allergy & Immunology physicians

Search published hospital rates side by side to find lower cash prices and stronger negotiating leverage.

Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.