John Zizzo
NPI 1013769843 · 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)
John Zizzo is a Student in an Organized Health Care Education/Training Program provider in Baltimore, MD (NPI 1013769843).
Provider details
- NPI number
- 1013769843
- 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
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
- 2024-04-04
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is John Zizzo's NPI number?
- John Zizzo's National Provider Identifier (NPI) is 1013769843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zizzo's specialty?
- John Zizzo 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 Zizzo located?
- John Zizzo's practice location on file with NPPES is 5200 Eastern Ave, Baltimore, MD 21224-2734.
- What is John Zizzo's phone number?
- The practice phone number listed in the NPPES registry for John Zizzo is (410) 550-0526.
- Does John Zizzo accept Medicare?
- John Zizzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Zizzo's NPI active?
- Yes — John Zizzo's NPI (1013769843) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.