Quick answers
- Does Matthew J. Sherman accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew J. Sherman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Matthew J. Sherman see?
- In 2024, CMS data shows 147 Original Medicare patients and 598 services for Matthew J. Sherman. This counts Original Medicare only and measures volume, not quality.
- What is Matthew J. Sherman's NPI number?
- 1851710628. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Matthew J. Sherman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 147 |
|---|---|
| Services billed to Medicare | 598 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 59 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)264 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)223 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
- Psychiatric diagnostic evaluation with medical services (90792)31 services
- Telephone medical discussion with physician, 11-20 minutes (99442)22 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Anxiety75%
- Depression73%
- High blood pressure67%
- Diabetes41%
- Arthritis41%
Practice locations
Addresses where Matthew J. Sherman is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Nicolls RdStony Brook, NY 11794 (631) 444‑2990
- 169 Putnam Hall, South CampusStony Brook, NY 11794 (631) 632‑8850
- Lauterbur DrStony Brook, NY 11794 (631) 638‑1000
Group practices
Medicare enrollment lists Matthew J. Sherman as a member of this group (CMS data updated October 2, 2026).
- Stony Brook Psychiatric Associates University Faculty Practice Corpor104 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Stony Brook
Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.
Other clinicians in Stony Brook Psychiatric Associates University Faculty Practice Corpor
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1851710628 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians