Mohammad Athar, MD
Orthopedic Surgery · Stony Brook, NY
At a glance
2500 Nesconset Highway, Stony Brook, NY 11790
Published activity: Hip replacement · Lower limb (leg) arthroscopy (minimally invasive joint repair). View counts and coverage
NPPES record updated Dec 4, 2023. 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
2500 Nesconset Highway Building 10 Unit DStony Brook, NY 11790
Additional reported practice locations
970 Wellwood AveLindenhurst, NY 117571016
Phone: 6319812663
Fax: 2122039223 5221 Little Neck Pkwy
Little Neck, NY 113621836
Phone: 6319812663
Fax: 2122039223
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2015
- CMS specialties
- Orthopedic Surgery · Sports Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- John T Mather Memorial Hospital Of Port Jefferson Port Jefferson, NY
- North Shore University Hospital Manhasset, NY
- Ns/Lij Hs Southside Hospital Bay Shore, NY
- Peconic Bay Medical Center Riverhead, NY
- St Catherine Of Siena Hospital Smithtown, 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 | 1-10 |
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 11 |
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 |
|---|---|
| Travel and lodging | $645.47 |
| Food and beverage | $475.87 |
Reporting companies
| Company | Amount |
|---|---|
| STRYKER CORPORATION | $1,121.34 |
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
- Taxonomy code
- 207X00000X
- Enumeration date
- Aug 3, 2022
- Record updated
- Dec 4, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207XS0114X
License reported: 316870 NY
207XX0004X
License reported: 316870 NY
207X00000X · Primary
License reported: 316870 NY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2500 Nesconset HighwayBuilding 10 Unit D
Stony Brook, NY 11790
- Phone
- (631) 981-2663
- Fax
- (212) 203-9223
Mailing address
10011 70TH AVEFOREST HILLS, NY 113755132
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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