Specialty Medical Group Central California Inc - Dept of Oncology
NPI 1598952137 · Pediatric Hematology & Oncology Physician · Madera, CA
Specialty Medical Group Central California Inc - Dept of Oncology is a Pediatric Hematology & Oncology Physician organization in Madera, CA (NPI 1598952137).
Provider details
- NPI number
- 1598952137
- Entity type
- Organization
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Specialty Medical Group Central California, Inc.
- Organization subpart
- Yes
- Authorized official
- Ralph Diaz, President and Medical Director(559) 353-5700
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-09-27
- Last updated
- 2007-09-27
Frequently asked questions
- What is Specialty Medical Group Central California Inc - Dept of Oncology's NPI number?
- Specialty Medical Group Central California Inc - Dept of Oncology's National Provider Identifier (NPI) is 1598952137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Specialty Medical Group Central California Inc - Dept of Oncology?
- Specialty Medical Group Central California Inc - Dept of Oncology is classified in the NPPES registry as Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Specialty Medical Group Central California Inc - Dept of Oncology located?
- Specialty Medical Group Central California Inc - Dept of Oncology's practice location on file with NPPES is 9300 Valley Childrens Pl, Madera, CA 93636-8761.
- What is Specialty Medical Group Central California Inc - Dept of Oncology's phone number?
- The practice phone number listed in the NPPES registry for Specialty Medical Group Central California Inc - Dept of Oncology is (559) 353-5480.
- Who is the authorized official for Specialty Medical Group Central California Inc - Dept of Oncology?
- The authorized official listed on Specialty Medical Group Central California Inc - Dept of Oncology's NPPES record is Ralph Diaz, President and Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Specialty Medical Group Central California Inc - Dept of Oncology's NPI active?
- Yes — Specialty Medical Group Central California Inc - Dept of Oncology's NPI (1598952137) is active in the NPPES registry as of the last update on 2007-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.