Portola Dialysis LLC
NPI 1841597689 · End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Saginaw, MI
Enrolled with Medicare as Part a Provider - End-Stage Renal Disease Facility (esrd) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Portola Dialysis LLC is a End-Stage Renal Disease (ESRD) Treatment Clinic/Center organization in Saginaw, MI (NPI 1841597689).
Provider details
- NPI number
- 1841597689
- Entity type
- Organization
- Primary specialty
- End-Stage Renal Disease (ESRD) Treatment Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- John Winstel, Chief Accounting Officer(253) 733-4501
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
15 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
- Town Center Dialysis
- Doing business as
- Town Center Dialysis
Registry dates
- Enumerated
- 2011-02-14
- Last updated
- 2021-03-04
- Certified
- 2021-03-04
Frequently asked questions
- What is Portola Dialysis LLC's NPI number?
- Portola Dialysis LLC's National Provider Identifier (NPI) is 1841597689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Portola Dialysis LLC?
- Portola Dialysis LLC is classified in the NPPES registry as End-Stage Renal Disease (ESRD) Treatment Clinic/Center (Ambulatory Health Care Facilities).
- Where is Portola Dialysis LLC located?
- Portola Dialysis LLC's practice location on file with NPPES is 323 N Michigan Ave, Saginaw, MI 48602-4240.
- What is Portola Dialysis LLC's phone number?
- The practice phone number listed in the NPPES registry for Portola Dialysis LLC is (989) 791-3624.
- Does Portola Dialysis LLC accept Medicare?
- Portola Dialysis LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Portola Dialysis LLC?
- The authorized official listed on Portola Dialysis LLC's NPPES record is John Winstel, Chief Accounting Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Portola Dialysis LLC's NPI active?
- Yes — Portola Dialysis LLC's NPI (1841597689) is active in the NPPES registry as of the last update on 2021-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.