OrganizationActive
Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates
NPI 1346394459 · Specialist · Tarzana, CA
Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates is a Specialist organization in Tarzana, CA (NPI 1346394459).
Provider details
- NPI number
- 1346394459
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Parent organization
- Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates
- Organization subpart
- Yes
- Authorized official
- Lawrence Guziel, Partner(818) 668-8869
- License
- G10627 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
18370 Burbank Blvd
#504
Tarzana, CA 91356
Phone: (818) 345-0664
Fax: (818) 345-1866
Street-level locationGet directions
Mailing address
18370 Burbank Blvd
Tarzana, CA 91356-2804
Other names (DBA / former)
- Doing business as
- G & S Dialysis Associates
Registry dates
- Enumerated
- 2007-01-23
- Last updated
- 2010-03-10
Frequently asked questions
- What is Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's NPI number?
- Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's National Provider Identifier (NPI) is 1346394459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates?
- Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates located?
- Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's practice location on file with NPPES is 18370 Burbank Blvd, Tarzana, CA 91356.
- What is Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's phone number?
- The practice phone number listed in the NPPES registry for Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates is (818) 345-0664.
- Who is the authorized official for Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates?
- The authorized official listed on Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's NPPES record is Lawrence Guziel, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's NPI active?
- Yes — Guziel & Schoenfeld Nephrology & Internal Medicine Affiliates's NPI (1346394459) is active in the NPPES registry as of the last update on 2010-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.