DOUGLAS THOMAS JOHNSTON DO
NPI 1124048079
Allergy & Immunology in Greenville, SC
NPI Status: Active since July 20, 2006
Contact Information
200 PATEWOOD DR STE A140
GREENVILLE, SC
ZIP 29615
Phone: (864) 454-5125
Fax: (864) 241-9201
- Individual
- Male
- Allergy & Immunology
- Accepts Insurance
- PECOS Enrolled
About DOUGLAS JOHNSTON
This page provides the complete NPI Profile along with additional information for Douglas Johnston, a provider established in Greenville, South Carolina with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1124048079 assigned on July 2006. The practitioner's primary taxonomy code is 207K00000X with license number 967 (SC). The provider is registered as an individual and his NPI record was last updated 4 years ago.
- NPI
- 1124048079
- Provider Name
- DOUGLAS THOMAS JOHNSTON DO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 200 PATEWOOD DR STE A140 GREENVILLE, SC 29615
- Location Phone
- (864) 454-5125
- Location Fax
- (864) 241-9201
- Mailing Address
- 300 E MCBEE AVE FL 4 GREENVILLE, SC 29601
- Mailing Phone
- (864) 522-8603
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-20-2006
- Last Update Date
- 08-16-2022
- Code Navigator
Location Map
Secondary Locations
- 10310 Mallard Creek Rd Ste 101A
Charlotte, NC 28262
(704) 341-9600 - 2600 E 7th St Unit A
Charlotte, NC 28204
(704) 372-7900 - 8045 Providence Rd Suite 300
Charlotte, NC 28277
(704) 341-9600
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
Allergy & Immunology
- Taxonomy Code
- 207K00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 967
- License State
- SC
- Taxonomy Description
- An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207K00000X | Allopathic & Osteopathic Physicians | Allergy & Immunology | 2011-01906 (NC) |
| 2 | 207K00000X | Allopathic & Osteopathic Physicians | Allergy & Immunology | DO840 (AL) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Blue Direction Bronze 1 - POS
- Blue Direction Silver 1 - POS
- Blue Direction Silver 1 + Adult Vision - POS
- Blue Direction Silver 2 - POS
- Blue Direction Standard Expanded Bronze - POS
- Blue Direction Standard Gold - POS
- Blue Direction Standard Silver - POS
- Blue Reedy Bronze 1 - HMO
- Blue Reedy Bronze 2 - HMO
- Blue Reedy Gold 1 - HMO
- Blue Reedy Silver 1 - HMO
- Blue Reedy Silver 2 - HMO
- Blue Reedy Silver 2 + Adult Vision - HMO
- Blue Reedy Standard Expanded Bronze - HMO
- Blue Reedy Standard Gold - HMO
- Blue Reedy Standard Silver - HMO
- Blue VirtuConnect Bronze 1 - EPO
- Blue VirtuConnect Gold 1 - EPO
- Blue VirtuConnect Silver 1 - EPO
- BlueEssentials Bronze 4 - EPO
- InHealth Basic 1 - HMO
- InHealth Basic 1 + Adult Vision - HMO
- InHealth Basic 2 - HMO
- InHealth Basic Plus Standard - HMO
- InHealth Basic Standard - HMO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 5920097 | MEDICAID (05) | NC | |
| PENDING | MEDICAID (05) | SC | |
| 009671 | MEDICAID (05) | SC |
Medicare Participation & PECOS Enrollment Status
Douglas 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
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
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Established patient office or other outpatient visit, 30-39 minutes
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
This service was performed 14 times for 14 patientsReviews for DOUGLAS THOMAS JOHNSTON DO
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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 1124048079, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 51 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
GREENVILLE, SC 29615
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124048079, enumerated as an "individual" on July 20, 2006.
The provider is located at 200 PATEWOOD DR STE A140 GREENVILLE, SC 29615 and the phone number is (864) 454-5125.
Allergy & Immunology with taxonomy code 207K00000X.
The provider might be accepting Accepts: BlueCross BlueShield of South Carolina, InStil. Please consult your insurance carrier or call the provider to verify.
