Peninsula Nephrology, Inc.
NPI 1235130352 · End-Stage Renal Disease (ESRD) Treatment Clinic/Center · San Mateo, CA
Peninsula Nephrology, Inc. is a End-Stage Renal Disease (ESRD) Treatment Clinic/Center organization in San Mateo, CA (NPI 1235130352).
Provider details
- NPI number
- 1235130352
- Entity type
- Organization
- Primary specialty
- End-Stage Renal Disease (ESRD) Treatment Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Cynthia Jansen, Ceo(650) 377-0200
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- San Mateo Dialysis Center
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2020-08-22
Frequently asked questions
- What is Peninsula Nephrology, Inc.'s NPI number?
- Peninsula Nephrology, Inc.'s National Provider Identifier (NPI) is 1235130352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peninsula Nephrology, Inc.?
- Peninsula Nephrology, Inc. is classified in the NPPES registry as End-Stage Renal Disease (ESRD) Treatment Clinic/Center (Ambulatory Health Care Facilities).
- Where is Peninsula Nephrology, Inc. located?
- Peninsula Nephrology, Inc.'s practice location on file with NPPES is 2000 S El Camino Real, San Mateo, CA 94403-1805.
- What is Peninsula Nephrology, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Peninsula Nephrology, Inc. is (650) 377-0200.
- Who is the authorized official for Peninsula Nephrology, Inc.?
- The authorized official listed on Peninsula Nephrology, Inc.'s NPPES record is Cynthia Jansen, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peninsula Nephrology, Inc.'s NPI active?
- Yes — Peninsula Nephrology, Inc.'s NPI (1235130352) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.