NINGDONG KANG MD
NPI 1669009635
Radiology - Diagnostic Radiology in Baltimore, MD

NPI Status: Active since March 26, 2020

Contact Information

22 S GREENE ST RM S2A19
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-3477
Fax: (410) 328-0641

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About NINGDONG KANG

This page provides the complete NPI Profile along with additional information for Ningdong Kang, a provider established in Baltimore, Maryland with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1669009635 assigned on March 2020. The practitioner's primary taxonomy code is 2085R0202X with license number D0106654 (MD). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1669009635
Provider Name
NINGDONG KANG MD
Gender
Male
Entity Type
Individual
Location Address
22 S GREENE ST RM S2A19 BALTIMORE, MD 21201
Location Phone
(410) 328-3477
Location Fax
(410) 328-0641
Mailing Address
22 S GREENE ST RM S2A19 BALTIMORE, MD 21201
Mailing Phone
(410) 328-3477
Mailing Fax
(410) 328-0641
Is Sole Proprietor?
No
Enumeration Date
03-26-2020
Last Update Date
04-23-2026
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Location Map

Secondary Locations

  • 1000 W Carson St # 461
    Torrance, CA 90502
    (424) 306-8087

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

Radiology Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
D0106654
License State
MD
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1669009635, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
Check
5
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 0 → 0 9 → 18 → 9 3 → 6

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 + 0 + 0 + 1 + 8 + 6 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1669009635.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
22 S GREENE ST RM S2A19
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST RM S2A19
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST RM S2A19
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST RM S2A19
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669009635, enumerated as an "individual" on March 26, 2020.

The provider is located at 22 S GREENE ST RM S2A19 BALTIMORE, MD 21201 and the phone number is (410) 328-3477.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.