Dr. Eric Grigsby, M.D.
What this data tells you about Dr. Grigsby
Dr. Eric Grigsby is a pain medicine specialist in Napa, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Grigsby performed 511 Medicare services across 368 unique beneficiaries.
Between the years covered by Open Payments, Dr. Grigsby received a total of $608,908 from 19 pharmaceutical and/or device companies across 104 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in pain medicine. 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. Grigsby 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 |
|---|---|---|---|
| Unclassified drug A medication that does not fit into standard HCPCS or CPT classification categories. |
114 | $220 | $291 |
| Spinal drug pump reprogramming and refill A physician electronically adjusts the settings of a spinal drug infusion pump and refills its medication reservoir. |
82 | $29 | $200 |
| 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. |
67 | $37 | $175 |
| Monthly chronic pain management bundle A monthly service for chronic pain management that includes diagnosis, assessment, monitoring, and the development or revision of a person-centered care plan. |
62 | $59 | $223 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
57 | $61 | $125 |
| Definitive drug test using GC/MS or LC/MS A definitive drug test that identifies specific drugs and distinguishes between structural isomers using advanced methods like GC/MS or LC/MS. |
49 | $242 | $400 |
| 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. |
33 | $97 | $250 |
| COVID-19 viral test, high throughput A laboratory test to detect the SARS-CoV-2 virus using high-throughput technology. This test identifies multiple types or subtypes of the virus and is performed by non-CDC laboratories. |
22 | $74 | $250 |
| Ultrasound guidance for needle placement Use of ultrasound imaging to guide the precise placement of a needle during a medical procedure. |
13 | $45 | $125 |
| Cerebrospinal fluid aspiration and shunt injection This procedure involves removing cerebrospinal fluid and injecting medication or fluid into a shunt tube or reservoir. |
12 | $34 | $300 |
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 (79%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in pain medicine and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 2% for pain medicine in CA.
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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Grigsby is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 2% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. 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. 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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