Quick answers
- Does Joseph Waterhouse accept Medicare assignment?
- Medicare's clinician data says Joseph Waterhouse may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Joseph Waterhouse see?
- In 2024, CMS data shows 155 Original Medicare patients and 699 services for Joseph Waterhouse. This counts Original Medicare only and measures volume, not quality.
- What is Joseph Waterhouse's NPI number?
- 1518490234. 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 Joseph Waterhouse, 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 | 155 |
|---|---|
| Services billed to Medicare | 699 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)285 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)102 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)72 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)69 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)29 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%
- Arthritis67%
- Diabetes60%
- Ischemic heart disease57%
- Chronic kidney disease54%
Hospitals where Joseph Waterhouse works
Medicare's Facility Affiliation Data lists Joseph Waterhouse 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.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214
Practice locations
Addresses where Joseph Waterhouse is enrolled with Medicare (CMS data updated October 2, 2026).
- 1040 Hempstead TpkeFranklin Square, NY 11010 (516) 775‑7565
- 23 Oriole WayWestbury, NY 11590 (516) 205‑9956
- 2965 Long Beach RdOceanside, NY 11572 (516) 766‑8500
- 898 Oyster Bay Rd, Unit DEast Norwich, NY 11732 (516) 624‑2101
Group practices
Medicare enrollment lists Joseph Waterhouse as a member of these groups (CMS data updated October 2, 2026).
- Waterhouse Foot and Ankle PLLC3 clinicians in the group
- Dr Michael Klein and Dr Gideon Tarrash2 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Franklin Square
Clinicians with the same Medicare primary specialty in Franklin Square, NY — not a recommendation.
Other clinicians in Waterhouse Foot and Ankle PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 2017 (9 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1518490234 |
| 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