Dr. Mark Grossman, MD
What this data tells you about Dr. Grossman
Dr. Mark Grossman is an orthopedic surgery specialist in Garden City, NY, with 20 years of NPI registration. Based on federal Medicare data, Dr. Grossman performed 6,930 Medicare services across 1,570 unique beneficiaries.
Between the years covered by Open Payments, Dr. Grossman received a total of $16,674 from 23 pharmaceutical and/or device companies across 133 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in orthopedic surgery. 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. Grossman 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 |
|---|---|---|---|
| Joint lubricant injection (Durolane) An injection of hyaluronan or its derivative, specifically Durolane, administered directly into a joint space. |
4,140 | $5 | $80 |
| 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. |
635 | $80 | $375 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
564 | $1 | $60 |
| Extended-release steroid injection (Zilretta) An injection of triamcinolone acetonide using a preservative-free, extended-release microsphere formulation. The dosage is measured in milligrams. |
545 | $13 | $42 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
489 | $64 | $1,062 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
169 | $94 | $560 |
| 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. |
121 | $146 | $997 |
| 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. |
91 | $108 | $550 |
| Injection, methylprednisolone acetate, 40 mg | 69 | $6 | $30 |
| Hyaluronan injection (Euflexxa) for joint An injection of hyaluronan or its derivative, specifically Euflexxa, administered directly into a joint space. |
32 | $100 | $410 |
| Hyaluronan intra-articular injection An injection of hyaluronan or a derivative into a joint to provide lubrication and cushioning. |
27 | $559 | $2,629 |
| 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. |
23 | $52 | $270 |
| Joint fluid aspiration or injection, medium joint Removal of fluid from a medium-sized joint or injection of medication into the joint space. |
14 | $43 | $802 |
| Arthroscopic shoulder surgery for bone shaving and ligament repair A minimally invasive procedure using a small camera to shave part of the shoulder bone and repair a ligament. |
11 | $173 | $5,895 |
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 (54%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in orthopedic surgery and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
2.6 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. Grossman is a clinical cardiology specialist, with above-average Medicare volume (top 6% in NY), with speaking/promotional industry engagement, 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
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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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