Dr. John Main, DO
What this data tells you about Dr. Main
Dr. John Main is a neurological surgery specialist in Ocala, FL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Main performed 503 Medicare services across 394 unique beneficiaries.
Between the years covered by Open Payments, Dr. Main received a total of $2,252,520 from 21 pharmaceutical and/or device companies across 47 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in neurological surgery. Payments are distributed across multiple categories and often reflect legitimate professional engagement with the medical industry. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Main 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 |
|---|---|---|---|---|
| Osteopathic Physician | 14853 | Clear | March 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 |
|---|---|---|---|
| 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. |
75 | $336 | $1,583 |
| 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. |
42 | $220 | $1,054 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
42 | $64 | $153 |
| 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. |
38 | $106 | $300 |
| 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. |
36 | $180 | $868 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
33 | $41 | $86 |
| 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. |
32 | $1,453 | $7,049 |
| 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. |
31 | $125 | $358 |
| 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. |
29 | $649 | $3,090 |
| Partial removal of spine bone with nerve release during fusion This procedure involves removing part of the bone in a single segment of the lower spine to release the spinal cord or nerves, performed during a spinal fusion. |
29 | $222 | $879 |
| 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. |
28 | $100 | $225 |
| Spinal stabilization device placement, 3-6 segments Surgical placement of a device to stabilize three to six vertebrae in the back. |
24 | $655 | $3,086 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
19 | $140 | $435 |
| Spinal fusion of neck, posterior approach A surgical procedure to join two or more vertebrae in the cervical spine using a back approach to stabilize the neck. |
16 | $930 | $5,000 |
| Initial hospital admission, low complexity Initial hospital inpatient or observation care for a new patient involving straightforward or low-level medical decision making, with at least 40 minutes total time on the date of the encounter. |
15 | $68 | $223 |
| Partial removal of spine bone with nerve release, 1 segment Surgical removal of part of the spinal bone to relieve pressure on the spinal cord or nerves in one segment. |
14 | $594 | $5,059 |
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 ›
Payments are distributed across multiple categories with no single dominant type. Total industry engagement is in the top 1% for neurological surgery in FL.
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. Main is a mixed practice specialist, with moderate Medicare volume, with mixed engagement industry engagement in the top 1% of FL peers, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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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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