DONALD CASSIDY MD
NPI 1083766190
Internal Medicine in Reno, NV

NPI Status: Active since January 17, 2007

Contact Information

645 N ARLINGTON AVE
SUITE 555
RENO, NV
ZIP 89503
Phone: (775) 770-3304

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  • Individual
  • Male
  • Internal Medicine

About DONALD CASSIDY

This page provides the complete NPI Profile along with additional information for Donald Cassidy, an internist established in Reno, Nevada with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1083766190 assigned on January 2007. The practitioner's primary taxonomy code is 207R00000X with license number 4124 (NV). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1083766190
Provider Name
DONALD CASSIDY MD
Gender
Male
Entity Type
Individual
Location Address
645 N ARLINGTON AVE SUITE 555 RENO, NV 89503
Location Phone
(775) 770-3304
Mailing Address
645 N ARLINGTON AVE SUITE 660 RENO, NV 89503
Mailing Phone
(775) 770-7348
Is Sole Proprietor?
No
Enumeration Date
01-17-2007
Last Update Date
12-31-2013
Code Navigator

An internist like Donald Cassidy 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
4124
License State
NV
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1207RH0003XAllopathic & Osteopathic Physicians

Internal Medicine
Hematology & Oncology

4124 (NV)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

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
C14286MEDICARE UPIN (02) 
002016643MEDICAID (05)NV 

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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 1083766190, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 8 → 16 → 7 7 → 14 → 5 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 4 + 6 + 1 + 2 + 1 + 1 + 8 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1083766190.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Obstetrics & Gynecology (Gynecology)
645 N ARLINGTON AVE, SUITE 400
RENO, NV 89503
Obstetrics & Gynecology
645 N ARLINGTON AVE, STE 400
RENO, NV 89503
Obstetrics & Gynecology
645 N ARLINGTON AVE, STE 340
RENO, NV 89503
Clinical Nurse Specialist (Women's Health)
645 N ARLINGTON AVE
RENO, NV 89503
Nurse Practitioner (Family)
645 N ARLINGTON AVE, #460
RENO, NV 89503
Occupational Therapist
645 N ARLINGTON AVE, SUITE 350
RENO, NV 89503
Dietitian, Registered
645 N ARLINGTON AVE, SUITE 460
RENO, NV 89503
Nurse Practitioner (Family)
645 N ARLINGTON AVE, SUITE 555
RENO, NV 89503
Nurse Practitioner
645 N ARLINGTON AVE, SUITE 660
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE250A
RENO, NV 89503
Radiology (Diagnostic Radiology)
645 N ARLINGTON AVE, SUITE 250A
RENO, NV 89503
Emergency Medical Technician, Basic
645 N ARLINGTON AVE, SUITE 335
RENO, NV 89503
Psychiatry & Neurology (Neurology)
645 N ARLINGTON AVE, STE 655
RENO, NV 89503
Nurse Practitioner (Primary Care)
645 N ARLINGTON AVE, SUITE 600
RENO, NV 89503
Internal Medicine
645 N ARLINGTON AVE, SUITE 600
RENO, NV 89503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083766190, enumerated as an "individual" on January 17, 2007.

The provider is located at 645 N ARLINGTON AVE SUITE 555 RENO, NV 89503 and the phone number is (775) 770-3304.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.