Eric Laurence Grossman, M.D.
Orthopedic Surgery (CMS) · Harrison, NY
At a glance
450 Mamaroneck Ave Ste 200, Harrison, NY 10528-2430
Published activity: Hip replacement · Knee replacement. View counts and coverage
NPPES record updated Feb 19, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
450 Mamaroneck Ave Ste 200Harrison, NY 10528-2430
Additional reported practice locations
645 Madison Ave Fl 3New York, NY 100221010
Phone: 8003219999 658 White Plains Rd
Tarrytown, NY 105915104
Phone: 8003219999
Education & affiliations
- Medical / professional school
- Jefferson Medical College Of Thomas Jefferson University
- Graduation year
- 2003
- CMS specialties
- Orthopedic Surgery
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Hospital For Special Surgery New York, NY
- Hudson Valley Hospital Center Cortlandt Manor, NY
- New York-Presbyterian Hospital New York, NY
- Nyu Langone Hospitals New York, NY
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Hip replacement | 114 |
| Knee replacement | 94 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Consulting fee | $28,850.00 |
| Travel and lodging | $3,303.42 |
| Food and beverage | $1,508.89 |
Reporting companies
| Company | Amount |
|---|---|
| DEPUY SYNTHES PRODUCTS, INC. | $10,948.21 |
| MEDICAL DEVICE BUSINESS SERVICES, INC. | $10,791.72 |
| MEDACTA USA, INC. | $9,931.04 |
| GLOBUS MEDICAL, INC. | $1,390.66 |
| SMITH+NEPHEW, INC. | $262.60 |
| STRYKER CORPORATION | $150.00 |
| DEPUY SYNTHES SALES INC. | $110.50 |
| ZIMMER BIOMET HOLDINGS, INC. | $77.58 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Orthopedic Surgery (CMS)
- Taxonomy code
- 207XS0114X
- Enumeration date
- Jun 13, 2007
- Record updated
- Feb 19, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207X00000X
License reported: MD427967 PA
207XS0114X · Primary
License reported: 251534 NY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
450 Mamaroneck Ave Ste 200Harrison, NY 10528-2430
- Phone
- (800) 321-9999
Mailing address
833 CHESTNUT ST STE 520PHILADELPHIA, PA 191074430
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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