Quick answers
- Does Peter G. Cardiello accept Medicare assignment?
- Yes. Medicare's clinician data says Peter G. Cardiello 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 Peter G. Cardiello see?
- In 2024, CMS data shows 107 Original Medicare patients and 195 services for Peter G. Cardiello. This counts Original Medicare only and measures volume, not quality.
- What is Peter G. Cardiello's NPI number?
- 1659432722. 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 Peter G. Cardiello, 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 | 107 |
|---|---|
| Services billed to Medicare | 195 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)91 services
- Administration of influenza virus vaccine (G0008)20 services
- Admn sarscov2 vacc 1 dose (90480)15 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)15 services
- Influenza vaccine split virus, preservative free (90662)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 cholesterol75%
- High blood pressure55%
- Arthritis30%
- Osteoporosis19%
- Depression18%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
Practice locations
Addresses where Peter G. Cardiello is enrolled with Medicare (CMS data updated October 2, 2026).
- 1823 Union StSan Francisco, CA 94123 (415) 590‑6148
Group practices
Medicare enrollment lists Peter G. Cardiello as a member of this group (CMS data updated October 2, 2026).
- One Medical Group Inc331 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in One Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659432722 |
| 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
- 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