Marc D. Dyrszka, MD
Orthopedic Surgery (CMS) · Bronxville, NY
At a glance
1 Pondfield Rd, Bronxville, NY 10708-3706
Published activity: Laminectomy or laminotomy (partial removal of spine bones) · Removal of tissue · Spinal fusion. View counts and coverage
NPPES record updated Nov 20, 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
1 Pondfield RdBronxville, NY 10708-3706
Additional reported practice locations
750 Hospital LoopCraig, CO 816258750
Phone: 9708249411
Education & affiliations
- Medical / professional school
- Columbia University College Of Physicians And Surgeons
- Graduation year
- 2010
- CMS specialties
- Orthopedic Surgery
Practice groups
Reported hospital affiliations
- Garnet Health Medical Center Middletown, 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 |
|---|---|
| Laminectomy or laminotomy (partial removal of spine bones) | 14 |
| Removal of tissue | 1-10 |
| Spinal fusion | 27 |
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 |
|---|---|
| Food and beverage | $198.54 |
Reporting companies
| Company | Amount |
|---|---|
| EXPANDING INNOVATIONS, INC. | $108.69 |
| OSSUR AMERICAS, INC. | $42.74 |
| EBI, LLC | $27.10 |
| ORTHOFIX MEDICAL, INC. | $20.01 |
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
- 207XS0117X
- Enumeration date
- Apr 21, 2010
- Record updated
- Nov 20, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207XS0117X
License reported: A136413 CA
207XS0117X · Primary
License reported: 289275-1 NY
207X00000X
License reported: 136413 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1 Pondfield RdBronxville, NY 10708-3706
- Phone
- (212) 305-5974
- Fax
- (212) 305-6193
Mailing address
622 W 168TH ST., PH 11-1130NEW YORK, NY 100323720
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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