Donald Cassidy, MD
NPI 1083766190 · Internal Medicine Physician · Reno, NV
Donald Cassidy, MD is a Internal Medicine Physician provider in Reno, NV (NPI 1083766190).
Provider details
- NPI number
- 1083766190
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4124 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2013-12-31
Frequently asked questions
- What is Donald Cassidy's NPI number?
- Donald Cassidy's National Provider Identifier (NPI) is 1083766190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Cassidy's specialty?
- Donald Cassidy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Cassidy located?
- Donald Cassidy's practice location on file with NPPES is 645 N Arlington Ave, Reno, NV 89503-4460.
- What is Donald Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Donald Cassidy is (775) 770-3304.
- Is Donald Cassidy's NPI active?
- Yes — Donald Cassidy's NPI (1083766190) is active in the NPPES registry as of the last update on 2013-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.