GREENBELT RADIATION ONCOLOGY CENTER
NPI 1669245999
Clinic/Center - Oncology, Radiation in Greenbelt, MD

NPI Status: Active since October 30, 2023

Contact Information

7503 GREENWAY CENTER DR
GREENBELT, MD
ZIP 20770
Phone: (301) 446-3540
Fax: (301) 446-3543

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  • Organization
  • Clinic/Center
  • Oncology, Radiation

About GREENBELT RADIATION ONCOLOGY CENTER

This page provides the complete NPI Profile along with additional information for Greenbelt Radiation Oncology Center, a provider established in Greenbelt, Maryland operating as a Clinic/center, focusing in oncology, radiation . The healthcare provider is registered in the NPI registry with number 1669245999 assigned on October 2023. The practitioner's primary taxonomy code is 261QX0203X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The authorized official of this NPI record is Dr. Vladimir Ioffe Md (Medical Director)

NPI
1669245999
Provider Name
GREENBELT RADIATION ONCOLOGY CENTER
Entity Type
Organization
Location Address
7503 GREENWAY CENTER DR GREENBELT, MD 20770
Location Phone
(301) 446-3540
Location Fax
(301) 446-3543
Mailing Address
7503 GREENWAY CENTER DR GREENBELT, MD 20770
Mailing Phone
(301) 446-3540
Mailing Fax
(301) 446-3543
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-30-2023
Last Update Date
10-30-2023
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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

Clinic/Center Oncology, Radiation

Taxonomy Code
261QX0203X
Type
Ambulatory Health Care Facilities

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. VLADIMIR IOFFE MD

Authorized Official Title
MEDICAL DIRECTOR
Authorized Official Phone
(301) 446-3540

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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 1669245999, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 6 → 12 → 3 2 → 4 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 4 + 4 + 1 + 0 + 9 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1669245999.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Radiology (Radiation Oncology)
7503 GREENWAY CENTER DR
GREENBELT, MD 20770
Radiology (Radiation Oncology)
7503 GREENWAY CENTER DR
GREENBELT, MD 20770
Radiology (Radiation Oncology)
7503 GREENWAY CENTER DR
GREENBELT, MD 20770
Radiology (Radiation Oncology)
7503 GREENWAY CENTER DR
GREENBELT, MD 20770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669245999, enumerated as an "organization" on October 30, 2023.

The provider is located at 7503 GREENWAY CENTER DR GREENBELT, MD 20770 and the phone number is (301) 446-3540.

Clinic/Center with taxonomy code 261QX0203X and a focus in Oncology, Radiation.