Mark Rusznak
NPI 1639014715 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Mark Rusznak is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1639014715).
Provider details
- NPI number
- 1639014715
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- 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
Under 1 yr in 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
- 2026-04-23
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Mark Rusznak's NPI number?
- Mark Rusznak's National Provider Identifier (NPI) is 1639014715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rusznak's specialty?
- Mark Rusznak 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 Mark Rusznak located?
- Mark Rusznak's practice location on file with NPPES is 505 Parnassus Ave # M1480, San Francisco, CA 94143-2204.
- What is Mark Rusznak's phone number?
- The practice phone number listed in the NPPES registry for Mark Rusznak is (415) 476-1528.
- Is Mark Rusznak's NPI active?
- Yes — Mark Rusznak's NPI (1639014715) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.