Mary Zahnle, MDI
NPI 1598517716 · Student in an Organized Health Care Education/Training Program · Mason City, IA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Zahnle, MDI is a Student in an Organized Health Care Education/Training Program provider in Mason City, IA (NPI 1598517716).
Provider details
- NPI number
- 1598517716
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MDI
- Sex
- Female
- 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
- 2024-04-02
- Last updated
- 2025-07-14
- Certified
- 2025-07-14
Frequently asked questions
- What is Mary Zahnle's NPI number?
- Mary Zahnle's National Provider Identifier (NPI) is 1598517716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Zahnle's specialty?
- Mary Zahnle 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 Mary Zahnle located?
- Mary Zahnle's practice location on file with NPPES is 1010 4th St Sw, Mason City, IA 50401-2856.
- What is Mary Zahnle's phone number?
- The practice phone number listed in the NPPES registry for Mary Zahnle is (641) 428-5700.
- Does Mary Zahnle accept Medicare?
- Mary Zahnle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Zahnle's NPI active?
- Yes — Mary Zahnle's NPI (1598517716) is active in the NPPES registry as of the last update on 2025-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.