Andrew Zarker, MD
NPI 1720848450 · Student in an Organized Health Care Education/Training Program · Baltimore, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Zarker, MD is a Student in an Organized Health Care Education/Training Program provider in Baltimore, MD (NPI 1720848450).
Provider details
- NPI number
- 1720848450
- 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
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
- 2024-03-20
- Last updated
- 2024-05-06
- Certified
- 2024-05-06
Frequently asked questions
- What is Andrew Zarker's NPI number?
- Andrew Zarker's National Provider Identifier (NPI) is 1720848450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Zarker's specialty?
- Andrew Zarker 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 Andrew Zarker located?
- Andrew Zarker's practice location on file with NPPES is 1800 Orleans St, Baltimore, MD 21287-0010.
- What is Andrew Zarker's phone number?
- The practice phone number listed in the NPPES registry for Andrew Zarker is (410) 955-5000.
- Does Andrew Zarker accept Medicare?
- Andrew Zarker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Zarker's NPI active?
- Yes — Andrew Zarker's NPI (1720848450) is active in the NPPES registry as of the last update on 2024-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.