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Brendan Cassidy, MD
NPI 1992779425 · Ophthalmology Physician · Phoenix, AZ
Brendan Cassidy, MD is a Ophthalmology Physician provider in Phoenix, AZ (NPI 1992779425).
Provider details
- NPI number
- 1992779425
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 22365 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1331 N 7th St
Suite 100
Phoenix, AZ 85006-2754
Phone: (602) 222-2234
Fax: (602) 222-3025
Street-level locationGet directions
Mailing address
Po Box 97876
Phoenix, AZ 85060-7876
Registry dates
- Enumerated
- 2006-02-13
- Last updated
- 2013-10-07
Frequently asked questions
- What is Brendan Cassidy's NPI number?
- Brendan Cassidy's National Provider Identifier (NPI) is 1992779425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Cassidy's specialty?
- Brendan Cassidy is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Cassidy located?
- Brendan Cassidy's practice location on file with NPPES is 1331 N 7th St, Phoenix, AZ 85006-2754.
- What is Brendan Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Brendan Cassidy is (602) 222-2234.
- Is Brendan Cassidy's NPI active?
- Yes — Brendan Cassidy's NPI (1992779425) is active in the NPPES registry as of the last update on 2013-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.