Neurosurgical Associates Cassidy & Guerin, MD, PA
NPI 1013954387 · Neurological Surgery Physician · Venice, FL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neurosurgical Associates Cassidy & Guerin, MD, PA is a Neurological Surgery Physician organization in Venice, FL (NPI 1013954387).
Provider details
- NPI number
- 1013954387
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Cassidy, Surgeon(941) 484-3404
- License
- ME78002 (MD)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2008-02-05
Frequently asked questions
- What is Neurosurgical Associates Cassidy & Guerin, MD, PA's NPI number?
- Neurosurgical Associates Cassidy & Guerin, MD, PA's National Provider Identifier (NPI) is 1013954387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Neurosurgical Associates Cassidy & Guerin, MD, PA?
- Neurosurgical Associates Cassidy & Guerin, MD, PA is classified in the NPPES registry as Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Neurosurgical Associates Cassidy & Guerin, MD, PA located?
- Neurosurgical Associates Cassidy & Guerin, MD, PA's practice location on file with NPPES is 842 Sunset Lake Blvd, Venice, FL 34292-7552.
- What is Neurosurgical Associates Cassidy & Guerin, MD, PA's phone number?
- The practice phone number listed in the NPPES registry for Neurosurgical Associates Cassidy & Guerin, MD, PA is (941) 484-3404.
- Does Neurosurgical Associates Cassidy & Guerin, MD, PA accept Medicare?
- Neurosurgical Associates Cassidy & Guerin, MD, PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Neurosurgical Associates Cassidy & Guerin, MD, PA?
- The authorized official listed on Neurosurgical Associates Cassidy & Guerin, MD, PA's NPPES record is John Cassidy, Surgeon. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Neurosurgical Associates Cassidy & Guerin, MD, PA's NPI active?
- Yes — Neurosurgical Associates Cassidy & Guerin, MD, PA's NPI (1013954387) is active in the NPPES registry as of the last update on 2008-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.