Mark Wiesner, D.O.
NPI 1154304939 · Pediatrics Physician · Estes Park, CO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wiesner, D.O. is a Pediatrics Physician provider in Estes Park, CO (NPI 1154304939).
Provider details
- NPI number
- 1154304939
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 31069 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-11-25
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is Mark Wiesner's NPI number?
- Mark Wiesner's National Provider Identifier (NPI) is 1154304939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wiesner's specialty?
- Mark Wiesner is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wiesner located?
- Mark Wiesner's practice location on file with NPPES is 122 Stanley Circle Dr, Estes Park, CO 80517-6302.
- What is Mark Wiesner's phone number?
- The practice phone number listed in the NPPES registry for Mark Wiesner is (970) 685-1148.
- Does Mark Wiesner accept Medicare?
- Mark Wiesner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wiesner's NPI active?
- Yes — Mark Wiesner's NPI (1154304939) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.