DONALD CASSIDY MD LTD
NPI 1164574281
Internal Medicine - Hematology & Oncology in Reno, NV

NPI Status: Active since January 17, 2007

Contact Information

75 PRINGLE WAY STE 711
RENO, NV
ZIP 89502
Phone: (775) 324-7022

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  • Organization
  • Internal Medicine
  • Hematology & Oncology

About DONALD CASSIDY MD LTD

This page provides the complete NPI Profile along with additional information for Donald Cassidy Md Ltd, an internist established in Reno, Nevada operating as a Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1164574281 assigned on January 2007. The practitioner's primary taxonomy code is 207RH0003X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Donald Cassidy Md (President)

NPI
1164574281
Provider Name
DONALD CASSIDY MD LTD
Entity Type
Organization
Location Address
75 PRINGLE WAY STE 711 RENO, NV 89502
Location Phone
(775) 324-7022
Mailing Address
75 PRINGLE WAY STE 711 RENO, NV 89502
Mailing Phone
(775) 324-7022
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-17-2007
Last Update Date
08-22-2020
Code Navigator

An internist like Donald Cassidy Md Ltd 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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

DONALD CASSIDY MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(775) 324-7022

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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 1164574281, 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 1 + 0 + 7 + 8 + 2 + 1 + 6 + 24 = 59

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.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1164574281.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164574281, enumerated as an "organization" on January 17, 2007.

The provider is located at 75 PRINGLE WAY STE 711 RENO, NV 89502 and the phone number is (775) 324-7022.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.