John Marczyk
NPI 1548014848 · Student in an Organized Health Care Education/Training Program · Washington, DC
John Marczyk is a Student in an Organized Health Care Education/Training Program provider in Washington, DC (NPI 1548014848).
Provider details
- NPI number
- 1548014848
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- Yes
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
2 yrs 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
- 2024-04-15
- Last updated
- 2024-04-15
- Certified
- 2024-04-13
Frequently asked questions
- What is John Marczyk's NPI number?
- John Marczyk's National Provider Identifier (NPI) is 1548014848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Marczyk's specialty?
- John Marczyk 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 Marczyk located?
- John Marczyk's practice location on file with NPPES is 2150 Pennsylvania Ave Nw, Washington, DC 20037-3201.
- What is John Marczyk's phone number?
- The practice phone number listed in the NPPES registry for John Marczyk is (202) 741-3000.
- Is John Marczyk's NPI active?
- Yes — John Marczyk's NPI (1548014848) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.