DR. JOHN R CASSIDY (M.D.) – Neurological Surgery Physician, NPI 1518067727

DR. JOHN R CASSIDY (M.D.) is a healthcare provider. based in Venice, Florida. specializing in NEUROSURGERY. They hold the professional credentials M.D.. They hold a License No. ME0057567 (VA). The NPI Number for DR. JOHN R CASSIDY (M.D.) is 1518067727

Main info

Male
46 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN R CASSIDY (M.D.)
NPI
1518067727
Phone
(941) 484-3404
Address
842 SUNSET LAKE BLVD
Enumeration Date
25 September 2006
Last Update Date
5 February 2008

Doctor Profile

Medical School Name
VIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Secondary Phone
9414843404
Graduation Year
1980 (46 years ago)
PAC ID
4183697063
Group Practice PAC ID
5395718274
Professional Enrollment ID
I20040819000358
Address ID
FL342927552VE842XXBLVD402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

567 NEUROSURGERY in FL

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Provider Addresses for DR. JOHN R CASSIDY (M.D.)

  • 842, Sunset Lake Boulevard, Venice Gardens, Sarasota County, Florida, 34292, United States

    SUITE 302

    VENICE, FL 342927552

    Phone: (941) 484-3404

    Fax: (941) 496-7895

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $20.

Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.

Last reported payment date: 2023-08-14 • Largest payer in this snapshot: Stryker Corporation ($20).

Total Amount

$20

General + Research + Ownership

Payments

1

Total payment records

General Amount

$20

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-14

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Stryker Corporation$20
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-08-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040819000358INeurosurgeryFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes454263$0
99204New patient office or other outpatient visit, 45-59 minutes292292$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes162161$0
J1040Injection, methylprednisolone acetate, 80 mg149100$0
20552Injection of trigger points, 1-2 muscles13691$0
View full utilization report →

Insurance plans in this area (ZIP 34292)

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Provider's Procedures

DR. JOHN R CASSIDY (M.D.) performs procedures in NEUROSURGERY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
NEUROSURGERYFL22842Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments1919
NEUROSURGERYFL63048Partial removal of spine bone with release of spinal cord and/or nerves2014

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5395718274View full group profile
NameSpecialtyState
N E U R O S U R G E R YFL

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. JOHN R CASSIDY (M.D.)?
DR. JOHN R CASSIDY (M.D.) — NPI 1518067727 — is the standard way to identify this listing.
Does CMS list DR. JOHN R CASSIDY (M.D.) as active?
Yes — DR. JOHN R CASSIDY (M.D.) is active in the NPI listing used on this page.
What is DR. JOHN R CASSIDY (M.D.)'s primary classification?
Neurological Surgery Physician is the headline specialty for DR. JOHN R CASSIDY (M.D.) here. Clinical services aligned with this taxonomy classification.
Does DR. JOHN R CASSIDY (M.D.) list a practice location?
Patients near Venice, Florida may find DR. JOHN R CASSIDY (M.D.) in results; validate coverage separately.
Is the information about DR. JOHN R CASSIDY (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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