Nephrology Associates
NPI 1063462950 · Specialist · Santa Rosa, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nephrology Associates is a Specialist organization in Santa Rosa, CA (NPI 1063462950).
Provider details
- NPI number
- 1063462950
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Letty Ramirez, Office Manager/Administrator(707) 526-2027
Specialties & taxonomies
Other Service Providers
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
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Nephrology Associates's NPI number?
- Nephrology Associates's National Provider Identifier (NPI) is 1063462950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nephrology Associates?
- Nephrology Associates is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Nephrology Associates located?
- Nephrology Associates's practice location on file with NPPES is 2301 Circadian Way, Santa Rosa, CA 95407-5416.
- What is Nephrology Associates's phone number?
- The practice phone number listed in the NPPES registry for Nephrology Associates is (707) 526-2027.
- Does Nephrology Associates accept Medicare?
- Nephrology Associates 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 Nephrology Associates?
- The authorized official listed on Nephrology Associates's NPPES record is Letty Ramirez, Office Manager/Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nephrology Associates's NPI active?
- Yes — Nephrology Associates's NPI (1063462950) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.