Dr. Mark Frenkel, M.D.
What this data tells you about Dr. Frenkel
Dr. Mark Frenkel is a neurological surgery specialist in Naples, FL, with 12 years of NPI registration. Based on federal Medicare data, Dr. Frenkel performed 1,902 Medicare services across 1,431 unique beneficiaries.
Between the years covered by Open Payments, Dr. Frenkel received a total of $34,318 from 23 pharmaceutical and/or device companies across 115 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological surgery. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Frenkel is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Florida License Status
FL DOH · MQA| Profession | License # | Status | Expires | Board Action |
|---|---|---|---|---|
| Medical Doctor | 143355 | Clear | January 31, 2028 | — |
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
407 | $144 | $337 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
268 | $101 | $250 |
| New patient office visit, complex (60-74 min) | 227 | $180 | $488 |
| Spine fusion with cage or mesh device insertion A surgical procedure to fuse spine bones by inserting a cage or mesh device into the disc space. |
216 | $233 | $3,633 |
| Spinal fusion of additional segment A surgical procedure to join an additional section of the spine to the existing fusion. This is performed as a separate or subsequent step to stabilize more of the spinal column. |
118 | $354 | $5,794 |
| Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc | 107 | $360 | $5,532 |
| Home health plan of care certification Certification by a physician or allowed practitioner for Medicare-covered home health services under a home health plan of care. This includes contacting the home health agency and reviewing reports of patient status required by physicians. |
106 | $42 | $150 |
| Spinal fusion with disc removal and nerve release, 1 disc This surgery connects two or more vertebrae in the upper spine to stabilize the area. It involves removing a damaged disc and relieving pressure on the spinal cord or nerve. |
75 | $1,527 | $24,220 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
52 | $132 | $440 |
| Spinal stabilization device placement, 2-3 segments Surgical placement of a device to stabilize the front of two to three spinal segments. |
48 | $660 | $10,476 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
36 | $74 | $169 |
| Spinal stabilization device placement, 3-6 segments Surgical placement of a device to stabilize three to six vertebrae in the back. |
35 | $691 | $10,693 |
| Lower spine bone segment removal A surgical procedure to cut into or remove a segment of bone from the lower spine. |
32 | $725 | $20,707 |
| Lower back spinal fusion with bone and disc removal A surgical procedure to fuse vertebrae in the lower back. It involves removing part of the spine bone and a disc to stabilize the area. |
29 | $1,475 | $26,088 |
| Spinal stabilization device placement, 4-7 segments Surgical placement of a device to stabilize the front of the spine across four to seven bone segments. |
29 | $687 | $10,856 |
| Partial removal of spine bone with nerve release, 1 segment A surgical procedure involving the partial removal of a bone segment in the spine to relieve pressure on the spinal cord or nerves. This is performed on a single spinal segment. |
29 | $951 | $15,474 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
21 | $108 | $329 |
| Partial removal of spine bone with nerve release, each additional segment This procedure involves the partial removal of spinal bone to relieve pressure on the spinal cord or nerves. It is billed for each additional spinal segment treated beyond the initial segment. |
20 | $190 | $3,007 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
20 | $41 | $642 |
| Additional spine bone segment removal Surgical removal of an additional segment of bone from the spine during the same procedure. |
14 | $325 | $5,136 |
| Placement of stabilizing device to back of 1 spine bone in neck A procedure involving the placement of a stabilizing device on the back of a single vertebra in the neck. |
13 | $684 | $10,722 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (78%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Frenkel is a clinical cardiology specialist, with above-average Medicare volume (top 2% in FL), with consulting-driven industry engagement.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Frenkel experienced with office visit, established patient, complex (40-54 min)?
Does Dr. Frenkel receive payments from pharmaceutical companies?
How do Dr. Frenkel's costs compare to other neurological surgerists in Naples?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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