Quick answers
- Does Alfred L. Horowitz accept Medicare assignment?
- Yes. Medicare's clinician data says Alfred L. Horowitz 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 Alfred L. Horowitz see?
- In 2024, CMS data shows 385 Original Medicare patients and 1,620 services for Alfred L. Horowitz. This counts Original Medicare only and measures volume, not quality.
- What is Alfred L. Horowitz's NPI number?
- 1336182757. 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 Alfred L. Horowitz, 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 | 385 |
|---|---|
| Services billed to Medicare | 1,620 |
| Different services or procedures | 55 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- X-ray of chest, 1 view (71045)1,161 services
- X-ray of abdomen, 1 view (74018)234 services
- Ct scan head or brain without contrast (70450)28 services
- Ct scan of chest without contrast (71250)25 services
- Ct scan of abdomen and pelvis without contrast (74176)20 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%
- Heart failure62%
- Diabetes61%
- Chronic kidney disease57%
- COPD52%
Hospitals where Alfred L. Horowitz works
Medicare's Facility Affiliation Data lists Alfred L. Horowitz 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.
- Denver Health & Hospital AuthorityDenver, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060011
- HCA HealthONE Mountain RidgeThornton, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060065
- Palomar Health Downtown CampusEscondido, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050115
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
- Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050100
Practice locations
Addresses where Alfred L. Horowitz is enrolled with Medicare (CMS data updated October 2, 2026).
- 14 Avenida AndraPalm Desert, CA 92260 (510) 507‑8528
- 2800 Benedict DrSan Leandro, CA 94577 (510) 595‑3423
- 927 Euclid AveBerkeley, CA 94708 (510) 548‑7634
Group practices
Medicare enrollment lists Alfred L. Horowitz as a member of this group (CMS data updated October 2, 2026).
- Medical Insights Diagnostic Centers Concord Professional Corporation2 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Medical Insights Diagnostic Centers Concord Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1968 (58 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336182757 |
| 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