John Vassar, MD
NPI 1881489847 · Student in an Organized Health Care Education/Training Program · Los Angeles, CA
John Vassar, MD is a Student in an Organized Health Care Education/Training Program provider in Los Angeles, CA (NPI 1881489847).
Provider details
- NPI number
- 1881489847
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- 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
- 2025-04-10
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is John Vassar's NPI number?
- John Vassar's National Provider Identifier (NPI) is 1881489847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vassar's specialty?
- John Vassar 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 John Vassar located?
- John Vassar's practice location on file with NPPES is 2020 Zonal Ave Rm 115, Los Angeles, CA 90089-0121.
- What is John Vassar's phone number?
- The practice phone number listed in the NPPES registry for John Vassar is (323) 409-5610.
- Is John Vassar's NPI active?
- Yes — John Vassar's NPI (1881489847) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.