Quick answers
- Does Steven F. Weinstein accept Medicare assignment?
- Yes. Medicare's clinician data says Steven F. Weinstein 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 Steven F. Weinstein see?
- In 2024, CMS data shows 131 Original Medicare patients and 4,079 services for Steven F. Weinstein. This counts Original Medicare only and measures volume, not quality.
- What is Steven F. Weinstein's NPI number?
- 1518035120. 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 Steven F. Weinstein, 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 | 131 |
|---|---|
| Services billed to Medicare | 4,079 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)1,776 services
- Test for allergy using allergenic extract (95004)954 services
- Professional service for multiple injections of allergen (95117)520 services
- Test for allergy using allergenic extract injected into skin (95024)246 services
- Professional service for single injection of allergen (95115)207 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%
- High blood pressure66%
- Arthritis55%
- Asthma36%
- Osteoporosis27%
- Diabetes24%
Hospitals where Steven F. Weinstein works
Medicare's Facility Affiliation Data lists Steven F. Weinstein 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.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
Practice locations
Addresses where Steven F. Weinstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 16300 Sand Canyon Ave, Suite 609Irvine, CA 92618 (714) 848‑8585
- 17742 Beach Blvd, Suite 310Huntington Beach, CA 92647 (714) 848‑8585
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1970 (56 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518035120 |
| 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