Quick answers
- Does Brian Mayrsohn accept Medicare assignment?
- Yes. Medicare's clinician data says Brian Mayrsohn 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 Brian Mayrsohn see?
- In 2024, CMS data shows 168 Original Medicare patients and 4,251 services for Brian Mayrsohn. This counts Original Medicare only and measures volume, not quality.
- What is Brian Mayrsohn's NPI number?
- 1023542008. 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 Brian Mayrsohn, 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 | 168 |
|---|---|
| Services billed to Medicare | 4,251 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (Q9966)456 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)373 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)352 services
- Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml (Q9965)313 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)136 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%
- Arthritis75%
- High blood pressure74%
- Anxiety50%
- Diabetes36%
- Ischemic heart disease36%
Practice locations
Addresses where Brian Mayrsohn is enrolled with Medicare (CMS data updated October 2, 2026).
- 146 A Manetto Hill Rd, Suite 100Plainview, NY 11803 (516) 200‑4814
- 200 Belle Terre RdPort Jefferson, NY 11777 (914) 366‑6161
Group practices
Medicare enrollment lists Brian Mayrsohn as a member of this group (CMS data updated October 2, 2026).
- Brian Mayrsohn MD PLLC3 clinicians in the group
Specialties
- Pain Managementprimary
- Internal Medicinealso
Other pain management doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Brian Mayrsohn MD PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 (9 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) | 1023542008 |
| 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