Jason Zack, M.D.
NPI 1255745691 · Dermatology Physician · Fort Leonard Wood, MO
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Zack, M.D. is a Dermatology Physician provider in Fort Leonard Wood, MO (NPI 1255745691).
Provider details
- NPI number
- 1255745691
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD53344 (IA)
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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 901 Montgomery StDecorah, IA 52101-2325Phone: (563) 382-2911
Registry dates
- Enumerated
- 2014-06-13
- Last updated
- 2025-01-30
- Certified
- 2025-01-30
Frequently asked questions
- What is Jason Zack's NPI number?
- Jason Zack's National Provider Identifier (NPI) is 1255745691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Zack's specialty?
- Jason Zack is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Zack located?
- Jason Zack's practice location on file with NPPES is 4430 Missouri Ave, Fort Leonard Wood, MO 65473-9098.
- What is Jason Zack's phone number?
- The practice phone number listed in the NPPES registry for Jason Zack is (573) 596-1769.
- Does Jason Zack accept Medicare?
- Jason Zack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Zack's NPI active?
- Yes — Jason Zack's NPI (1255745691) is active in the NPPES registry as of the last update on 2025-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.