Dr. Marshall Freeman, MD
What this data tells you about Dr. Freeman
Dr. Marshall Freeman is an optician specialist in Greensboro, NC, with 20 years of NPI registration. Based on federal Medicare data, Dr. Freeman performed 2,324 Medicare services across 658 unique beneficiaries.
Between the years covered by Open Payments, Dr. Freeman received a total of $504,563 from 29 pharmaceutical and/or device companies across 620 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in optician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Freeman is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
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 (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. |
263 | $88 | $220 |
| Injection of anesthetic agent and/or steroid into other nerve or branch | 214 | $42 | $440 |
| Injection of anesthetic or steroid into upper neck and back of head nerve An injection of an anesthetic agent and/or steroid into a nerve located in the upper neck and back of the head. |
213 | $42 | $480 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
213 | $0 | $3 |
| Facial nerve injection with anesthetic and/or steroid An injection of an anesthetic agent and/or steroid into the facial nerve. This procedure delivers medication directly to the nerve. |
194 | $62 | $480 |
| Brachial plexus injection with anesthetic and/or steroid An injection of an anesthetic agent and/or steroid into the brachial plexus nerve bundle in the arm. |
194 | $76 | $520 |
| Anesthetic or steroid injection into axillary nerve This procedure involves injecting a pain-relieving medication or steroid directly into the axillary nerve in the upper arm and shoulder area. |
194 | $180 | $550 |
| Suprascapular nerve injection An injection of anesthetic and/or steroid medication into the suprascapular nerve in the shoulder area. |
194 | $49 | $590 |
| Trigger point injection, 3 or more muscles Injection of medication into three or more specific muscle trigger points to relieve pain. |
193 | $23 | $152 |
| Anesthetic injection into thoracic vertebra with imaging guidance An anesthetic medication is injected into a single site in the thoracic spine while using imaging guidance to ensure accurate placement. |
193 | $72 | $600 |
| Electromyography of arm or leg muscles A test that measures the electrical activity in the muscles of the arm or leg using a needle electrode. It helps evaluate the health of muscles and the nerve cells that control them. |
44 | $73 | $280 |
| Nerve conduction studies, 11-12 A diagnostic test that measures how well nerves send electrical signals. It involves performing 11 to 12 separate nerve conduction studies. |
22 | $183 | $1,230 |
| New patient office visit, complex (60-74 min) | 16 | $158 | $420 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
13 | $8 | $12 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
13 | $13 | $41 |
| Amylase enzyme level test A blood test that measures the amount of amylase, an enzyme produced by the pancreas and salivary glands, to help evaluate pancreatic health. |
13 | $6 | $9 |
| Total bilirubin level test A blood test that measures the total amount of bilirubin, a waste product from the breakdown of red blood cells, in your body. |
13 | $5 | $7 |
| Blood glucose level test A test that measures the amount of sugar in your blood. |
13 | $4 | $6 |
| Glutamyltransferase (GGT) level test A blood test that measures the level of the liver enzyme glutamyltransferase (GGT) to help evaluate liver health. |
13 | $7 | $9 |
| Liver enzyme (SGOT) level test A blood test that measures the level of the liver enzyme SGOT to help assess liver health. |
13 | $5 | $16 |
| Liver enzyme (SGPT) level test A blood test that measures the level of the liver enzyme SGPT to assess liver function. |
13 | $5 | $16 |
| Erythrocyte sedimentation rate (ESR) test A blood test that measures how quickly red blood cells settle in a test tube to detect inflammation in the body. This specific method is performed manually rather than using an automated machine. |
13 | $4 | $15 |
| Albumin level test A blood test that measures the amount of albumin, a protein made by the liver, in your body. |
12 | $5 | $7 |
| Total calcium level test A blood test that measures the total amount of calcium in your body. |
12 | $5 | $7 |
| Alkaline phosphatase level test A blood test that measures the level of alkaline phosphatase, an enzyme found in the liver and bones. |
12 | $5 | $7 |
| Total protein blood test A blood test that measures the total amount of protein in your blood. This test helps evaluate your overall health and nutritional status. |
12 | $4 | $6 |
| Blood urea nitrogen test A blood test that measures the amount of urea nitrogen to assess kidney function. |
12 | $4 | $6 |
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)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (60%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in optician and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 0% for optician in NC.
Geographic Context
3.6 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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Freeman is a mixed practice specialist, with above-average Medicare volume (top 27% in NC), with speaking/promotional industry engagement in the top 0% of NC peers, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Freeman experienced with office visit, established patient (30-39 min)?
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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. Data Coverage reflects 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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