Warren Nakazawa, MD
NPI 1508668658 · Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Nakazawa, MD is a Student in an Organized Health Care Education/Training Program provider in Los Angeles, CA (NPI 1508668658).
Provider details
- NPI number
- 1508668658
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-03-26
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Warren Nakazawa's NPI number?
- Warren Nakazawa's National Provider Identifier (NPI) is 1508668658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Nakazawa's specialty?
- Warren Nakazawa is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Warren Nakazawa located?
- Warren Nakazawa's practice location on file with NPPES is 1520 San Pablo St Ste 1300, Los Angeles, CA 90033-5312.
- What is Warren Nakazawa's phone number?
- The practice phone number listed in the NPPES registry for Warren Nakazawa is (323) 442-5900.
- Does Warren Nakazawa accept Medicare?
- Warren Nakazawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Nakazawa's NPI active?
- Yes — Warren Nakazawa's NPI (1508668658) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.