Quick answers
- Does Josephus Sanjorjo accept Medicare assignment?
- Yes. Medicare's clinician data says Josephus Sanjorjo 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 Josephus Sanjorjo see?
- In 2024, CMS data shows 172 Original Medicare patients and 787 services for Josephus Sanjorjo. This counts Original Medicare only and measures volume, not quality.
- What is Josephus Sanjorjo's NPI number?
- 1073808168. 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 Josephus Sanjorjo, 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 | 172 |
|---|---|
| Services billed to Medicare | 787 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)267 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)177 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)122 services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)62 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)50 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%
- Diabetes75%
- Chronic kidney disease75%
- Ischemic heart disease58%
- Heart failure54%
Hospitals where Josephus Sanjorjo works
Medicare's Facility Affiliation Data lists Josephus Sanjorjo 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.
- AHMC Seton Medical CenterDaly City, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050289
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
- San Mateo Medical CenterSan Mateo, CA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 050113
Practice locations
Addresses where Josephus Sanjorjo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1750 El Camino Real, Suite 15Burlingame, CA 94010 (650) 692‑6302
- 1800 Sullivan Ave, Suite 507Daly City, CA 94015 (650) 817‑7188
- 22 W 39th Ave, Hos316msSan Mateo, CA 94403
- 222 W 39th AveSan Mateo, CA 94403
Group practices
Medicare enrollment lists Josephus Sanjorjo as a member of these groups (CMS data updated October 2, 2026).
- County of San Mateo310 clinicians in the group
- San Mateo Dialysis Associates7 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Burlingame
Clinicians with the same Medicare primary specialty in Burlingame, CA — not a recommendation.
Other clinicians in County of San Mateo
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073808168 |
| 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