ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON
NPI 1801376371
Internal Medicine - Hematology & Oncology in Lansdowne, VA
NPI Status: Active since August 15, 2018
Contact Information
44055 RIVERSIDE PKWY STE 224
LANSDOWNE, VA
ZIP 20176
Phone: (703) 858-3110
Fax: (703) 858-3111
- Organization
- Internal Medicine
- Hematology & Oncology
- CLIA Number: 49D2157312
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 10-22-2027
About ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON
This page provides the complete NPI Profile along with additional information for Oncology/hematology Of Loudoun And Reston, an internist established in Lansdowne, Virginia operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1801376371 assigned on August 2018. The practitioner's primary taxonomy code is 207RH0003X. The provider is registered as an organization and their NPI record was last updated 2 years ago. Oncology/hematology Of Loudoun And Reston operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's is doing business as Oncology/hematology Of Loudoun And Reston. The authorized official of this NPI record is Dr. Ryan K Olson Md (Owner / President)
- NPI
- 1801376371
- Provider Legal Name
- AMERICAN ONCOLOGY PARTNERS, P.A.
- Other Organization Name
- ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 44055 RIVERSIDE PKWY STE 224 LANSDOWNE, VA 20176
- Location Phone
- (703) 858-3110
- Location Fax
- (703) 858-3111
- Mailing Address
- PO BOX 749482 ATLANTA, GA 30374
- Mailing Phone
- (855) 963-2100
- Mailing Fax
- (703) 858-3111
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-15-2018
- Last Update Date
- 08-12-2024
- Code Navigator
An internist like Oncology/hematology Of Loudoun And Reston is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
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
Internal Medicine Hematology & Oncology
- Taxonomy Code
- 207RH0003X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
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 | 207RH0000X | Allopathic & Osteopathic Physicians | Internal Medicine | |
| 2 | 207RX0202X | Allopathic & Osteopathic Physicians | Internal Medicine |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 49D2157312
- Facility Type
- Physician Office
- Certificate Effective Date
- October 23, 2025
- Certificate Expiration Date
- October 22, 2027
- Laboratory Director
- DR. RANGAPPA REJANDRA
- Certificate Type
- Certificate of Accreditation
- Certificate Type Description
- This is a CLIA certificate is issued to Oncology/hematology Of Loudoun And Reston on the basis of the laboratory's accreditation by an accreditation organization approved by CMS. This type of certificate is issued to a laboratories tha perform nonwaived (moderate and/or high complexity) testing.
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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 1801376371, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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 59 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.
LANSDOWNE, VA 20176
LANSDOWNE, VA 20176
LANSDOWNE, VA 20176
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801376371, enumerated as an "organization" on August 15, 2018.
The provider is located at 44055 RIVERSIDE PKWY STE 224 LANSDOWNE, VA 20176 and the phone number is (703) 858-3110.
Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.
