Quick answers
- Does Zachary D. Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary D. Weiss 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 Zachary D. Weiss see?
- In 2024, CMS data shows 77 Original Medicare patients and 421 services for Zachary D. Weiss. This counts Original Medicare only and measures volume, not quality.
- What is Zachary D. Weiss's NPI number?
- 1336487941. 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 Zachary D. Weiss, 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 | 77 |
|---|---|
| Services billed to Medicare | 421 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)272 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)60 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)23 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 services
- Hospital discharge day management, more than 30 minutes (99239)14 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%
- Diabetes60%
- Ischemic heart disease58%
- Arthritis56%
- Heart failure52%
Hospitals where Zachary D. Weiss works
Medicare's Facility Affiliation Data lists Zachary D. Weiss 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.
- Mount Sinai Medical Center of Florida, IncMiami Beach, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100034
Practice locations
Addresses where Zachary D. Weiss is enrolled with Medicare (CMS data updated October 2, 2026).
- 4300 Alton RdMiami, FL 33140 (305) 674‑2121
- 4302 Alton Rd, Suite 900Miami, FL 33140 (305) 674‑2242
- 5200 NE 2nd AveMiami, FL 33137 (609) 585‑1122
- 6731 SW 48th TerMiami, FL 33155
Group practices
Medicare enrollment lists Zachary D. Weiss as a member of these groups (CMS data updated October 2, 2026).
- First Docs PC180 clinicians in the group
- Kostoroski Healthcare3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Miami
Clinicians with the same Medicare primary specialty in Miami, FL — not a recommendation.
Other clinicians in First Docs PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336487941 |
| 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