John Cassidy, M.D.
NPI 1518067727 · Neurological Surgery Physician · Venice, FL
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cassidy, M.D. is a Neurological Surgery Physician provider in Venice, FL (NPI 1518067727).
Provider details
- NPI number
- 1518067727
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME0057567 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,193 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 421 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 190 | $171 |
| Injection of Trigger Points, 1-2 Muscles20552 | 157 | $54 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 126 | $134 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 48 | $51 |
| Graft of Donor Bone to Spine20931 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 76 | 56 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 42 | 28 |
| Methylprednisolone | 39 | 35 |
| Tramadol Hcl | 34 | 21 |
| Prednisone | 19 | 15 |
| Gabapentin | 15 | — |
| Pregabalin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2008-02-05
Frequently asked questions
- What is John Cassidy's NPI number?
- John Cassidy's National Provider Identifier (NPI) is 1518067727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cassidy's specialty?
- John Cassidy is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Cassidy located?
- John Cassidy's practice location on file with NPPES is 842 Sunset Lake Blvd, Venice, FL 34292-7552.
- What is John Cassidy's phone number?
- The practice phone number listed in the NPPES registry for John Cassidy is (941) 484-3404.
- Does John Cassidy accept Medicare?
- John Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cassidy's NPI active?
- Yes — John Cassidy's NPI (1518067727) 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.