Dr. Robert Williams, MD
What this data tells you about Dr. Williams
Dr. Robert Williams is a family medicine specialist in Ocala, FL, with 19 years of NPI registration. Based on federal Medicare data, Dr. Williams performed 12,676 Medicare services across 8,457 unique beneficiaries.
Between the years covered by Open Payments, Dr. Williams received a total of $16,197 from 43 pharmaceutical and/or device companies across 423 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Williams 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 | 100345 | 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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 1,300 | $0 | $0 |
| Blood draw (venipuncture) | 1,014 | $7 | $11 |
| Complete blood count (CBC) with differential | 908 | $8 | $16 |
| Comprehensive metabolic blood panel | 904 | $10 | $21 |
| Lipid panel (cholesterol and triglycerides) | 859 | $13 | $27 |
| Thyroid stimulating hormone (TSH) test | 819 | $16 | $34 |
| Urinalysis, manual | 733 | $3 | $7 |
| Office visit, established patient (30-39 min) | 691 | $87 | $246 |
| Free thyroxine (T4) test | 650 | $9 | $18 |
| Creatinine test (kidney function) | 646 | $5 | $10 |
| Hemoglobin A1c test (diabetes monitoring) | 631 | $9 | $19 |
| Urine microalbumin (protein) analysis | 614 | $6 | $12 |
| Office visit, established patient (20-29 min) | 305 | $55 | $177 |
| Thyroid hormone, t3 measurement, free | 248 | $17 | $34 |
| Vitamin D level test | 212 | $29 | $59 |
| Annual depression screening | 182 | $18 | $35 |
| Vitamin B-12 level test | 172 | $15 | $30 |
| Folic acid level test | 146 | $14 | $29 |
| Ferritin level test (iron stores) | 141 | $13 | $27 |
| Iron level test | 139 | $6 | $13 |
| Parathyroid hormone level test | 138 | $40 | $83 |
| Total protein level, urine | 127 | $4 | $7 |
| Phosphate level test | 126 | $5 | $9 |
| Drug screening test | 106 | $59 | $124 |
| PSA test (prostate cancer screening) | 93 | $18 | $37 |
| Prostate cancer screening; prostate specific antigen test (psa) | 63 | $19 | $38 |
| Electrocardiogram (EKG), 12-lead | 62 | $9 | $48 |
| Testosterone (hormone) level, total | 56 | $25 | $52 |
| Chest X-ray, 2 views | 54 | $21 | $64 |
| Natriuretic peptide (heart and blood vessel protein) level | 53 | $38 | $79 |
| Smoking and tobacco use intensive counseling, 4-10 minutes | 44 | $15 | $29 |
| Annual wellness visit, follow-up | 43 | $127 | $274 |
| Cystatin c (enzyme inhibitor) level | 35 | $18 | $37 |
| Telephone medical discussion with physician, 5-10 minutes | 34 | $35 | $109 |
| Drug injection, under skin or into muscle | 33 | $9 | $27 |
| Bone density scan (DEXA) | 31 | $37 | $137 |
| Uric acid level test | 27 | $4 | $9 |
| New patient office visit (45-59 min) | 26 | $116 | $325 |
| Hip X-ray, 2-3 views | 22 | $30 | $89 |
| Basic metabolic blood panel | 20 | $8 | $17 |
| X-ray of lower and sacral spine, 2-3 views | 19 | $28 | $73 |
| Flu vaccine, quadrivalent | 19 | $76 | $143 |
| Flu vaccine administration | 19 | $29 | $30 |
| Knee X-ray, 3 views | 18 | $30 | $63 |
| Test to measure expiratory airflow and volume changes before and after medication administration | 17 | $26 | $73 |
| Test to determine lung volumes using gas dilution or washout | 17 | $30 | $82 |
| Test to examine how well the lungs exchange gases | 17 | $38 | $106 |
| Telephone medical discussion with physician, 11-20 minutes | 17 | $64 | $175 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 15 | $41 | $100 |
| Removal of impacted ear wax by washing | 11 | $14 | $29 |
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 ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 2% for family medicine 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. Williams is a mixed practice specialist, with above-average Medicare volume (top 1% in FL), with low-engagement industry engagement in the top 2% 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
Is Dr. Williams experienced with contrast dye for imaging (iodine-based)?
Does Dr. Williams receive payments from pharmaceutical companies?
How do Dr. Williams's costs compare to other family medicine physicians in Ocala?
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Explore related providers
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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