Jack Mizelle, MD
NPI 1629710157 · Family Medicine Physician · Mason City, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Mizelle, MD is a Family Medicine Physician provider in Mason City, IA (NPI 1629710157).
Provider details
- NPI number
- 1629710157
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 93144 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2022-04-13
- Last updated
- 2025-07-15
- Certified
- 2025-07-15
Frequently asked questions
- What is Jack Mizelle's NPI number?
- Jack Mizelle's National Provider Identifier (NPI) is 1629710157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Mizelle's specialty?
- Jack Mizelle is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Mizelle located?
- Jack Mizelle's practice location on file with NPPES is 1010 4th St Sw Ste 240, Mason City, IA 50401-2856.
- What is Jack Mizelle's phone number?
- The practice phone number listed in the NPPES registry for Jack Mizelle is (641) 428-7766.
- Does Jack Mizelle accept Medicare?
- Jack Mizelle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Mizelle's NPI active?
- Yes — Jack Mizelle's NPI (1629710157) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.