Quick answers
- Does Brett A. Gerstman accept Medicare assignment?
- Yes. Medicare's clinician data says Brett A. Gerstman 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 Brett A. Gerstman see?
- In 2024, CMS data shows 570 Original Medicare patients and 2,033 services for Brett A. Gerstman. This counts Original Medicare only and measures volume, not quality.
- What is Brett A. Gerstman's NPI number?
- 1760687636. 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 Brett A. Gerstman, 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 | 570 |
|---|---|
| Services billed to Medicare | 2,033 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)764 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)494 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)199 services
- Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level (64484)96 services
- Aspiration and/or injection of fluid from large joint (20610)73 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 blood pressure75%
- High cholesterol75%
- Arthritis74%
- Anxiety34%
- Diabetes31%
- Ischemic heart disease31%
Hospitals where Brett A. Gerstman works
Medicare's Facility Affiliation Data lists Brett A. Gerstman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310028
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 310019
Practice locations
Addresses where Brett A. Gerstman is enrolled with Medicare (CMS data updated October 2, 2026).
- 40 Main StChatham, NJ 07928 (973) 635‑0800
Group practices
Medicare enrollment lists Brett A. Gerstman as a member of this group (CMS data updated October 2, 2026).
- New Jersey Spine Center, LLC11 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in New Jersey →
Other rehabilitation doctors in Chatham
Clinicians with the same Medicare primary specialty in Chatham, NJ — not a recommendation.
Other clinicians in New Jersey Spine Center, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 2006 (20 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) | 1760687636 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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