Dr. Benjamin Greer, M.D.
What this data tells you about Dr. Greer
Dr. Benjamin Greer is an addiction medicine physician in Danville, CA, with 15 years of NPI registration. Based on federal Medicare data, Dr. Greer performed 6,187 Medicare services across 1,607 unique beneficiaries.
Between the years covered by Open Payments, Dr. Greer received a total of $238 from 4 pharmaceutical and/or device companies across 7 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in addiction medicine (psychiatry & neurology) physician. 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. Greer 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 for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
765 | $24 | $100 |
| 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. |
707 | $118 | $327 |
| Therapeutic massage, per 15 minutes A therapy procedure involving massage techniques. The code covers each 15-minute increment of the service. |
649 | $25 | $82 |
| Injection, methylprednisolone acetate, 40 mg | 592 | $6 | $104 |
| Ultrasound therapy, each 15 minutes Application of ultrasound waves to tissue for therapeutic purposes. The procedure is billed in 15-minute increments. |
449 | $10 | $44 |
| Electrical stimulation therapy, per 15 minutes Application of electrical stimulation to the body with a therapist present. The service is billed for each 15-minute increment of treatment. |
362 | $10 | $44 |
| Physical therapy exercise, per 15 min A therapy session using exercises to improve strength, endurance, range of motion, and flexibility. Each 15-minute unit is billed separately. |
347 | $21 | $74 |
| 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. |
251 | $84 | $240 |
| Additional hour of neuropsychological test evaluation This code covers the evaluation of neuropsychological testing for each additional hour beyond the initial service. It represents the time spent analyzing and interpreting test results. |
175 | $90 | $244 |
| Trigger point injection, 3 or more muscles Injection of medication into three or more specific muscle trigger points to relieve pain. |
174 | $40 | $210 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
163 | $54 | $162 |
| Bilateral facial and neck nerve muscle paralysis injection Injection of a chemical agent to paralyze muscles in the face and neck on both sides. |
156 | $122 | $330 |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | 138 | $81 | $217 |
| Additional 30 minutes of psychological or neuropsychological testing This code represents an additional 30-minute increment for administering psychological or neuropsychological tests. It is used to bill for time beyond the initial testing period. |
117 | $38 | $110 |
| Neuropsychological test evaluation, first hour A professional assessment of cognitive and behavioral functioning using standardized tests. This service covers the initial hour of the evaluation process. |
113 | $118 | $253 |
| Psychological or neuropsychological test, first 30 minutes Administration of psychological or neuropsychological testing for the first 30 minutes. |
113 | $41 | $120 |
| Prolonged office E/M service, first 15 minutes This code is used for additional time spent by a physician beyond the maximum required time of a primary office or outpatient evaluation and management service. It is billed in 15-minute increments based on total time spent on the date of the primary service. |
103 | $29 | $158 |
| 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. |
96 | $112 | $335 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
95 | $61 | $178 |
| Acupuncture with electrical stimulation, each additional 15 minutes This code represents an additional 15-minute unit of acupuncture treatment that includes the application of electrical stimulation. |
76 | $30 | $90 |
| New patient office visit, complex (60-74 min) | 71 | $190 | $620 |
| Chronic care management, first 30 minutes This service covers the initial 30 minutes of care coordination for patients with two or more chronic conditions. It is provided personally by a healthcare professional each calendar month. |
70 | $78 | $200 |
| Manual therapy (hands-on treatment), per 15 min | 63 | $22 | $67 |
| 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. |
59 | $162 | $479 |
| Application of low energy heat This procedure involves the application of low energy heat to the body. It is a therapeutic modality used to deliver heat to specific areas. |
55 | $4 | $20 |
| Assessment of and care planning for patient with impaired thought processing, typically 60 minutes | 51 | $256 | $675 |
| Psychotherapy and evaluation, 30 minutes A combined session involving psychotherapy and an evaluation and management visit lasting 30 minutes. |
45 | $62 | $200 |
| Neurobehavioral status exam, first hour A clinical assessment of neurobehavioral status lasting one hour. This evaluation examines mental and behavioral functions. |
42 | $82 | $220 |
| Acupuncture with electrical stimulation, initial 15 minutes This procedure involves inserting needles into specific points on the body and applying mild electrical currents to stimulate them. It is performed for the first 15 minutes of the treatment session. |
38 | $37 | $110 |
| Complex chronic care management, first 60 minutes This service involves clinical staff time directed by a healthcare professional to manage two or more chronic conditions over a calendar month. It covers the first 60 minutes of this coordinated care effort. |
22 | $126 | $307 |
| Chronic care management, additional 30 minutes This service covers an extra 30 minutes of care management provided by a healthcare professional for patients with two or more chronic conditions. It is billed per calendar month in addition to the standard chronic care management time. |
17 | $55 | $140 |
| Chronic care management services Comprehensive assessment and care planning for patients requiring ongoing chronic care management. |
13 | $59 | $150 |
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 ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.0 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. Greer is a clinical cardiology specialist, with above-average Medicare volume (top 5% in CA), with low-engagement industry engagement, with 15 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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