Leslie Stark, M.D.
NPI 1124155155 · Gastroenterology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Stark, M.D. is a Gastroenterology Physician provider in Denver, CO (NPI 1124155155).
Provider details
- NPI number
- 1124155155
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 39300 (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
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 277 | 272 |
| Omeprazole | 196 | 85 |
| Mesalamine | 162 | 46 |
| Budesonidebrand: Budesonide Dr | 135 | 28 |
| Adalimumab-Attobrand: Amjevita(cf) Autoinjector | 68 | — |
| Upadacitinibbrand: Rinvoq | 60 | — |
| Ustekinumabbrand: Stelara | 54 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2021-04-22
- Certified
- 2021-04-22
Frequently asked questions
- What is Leslie Stark's NPI number?
- Leslie Stark's National Provider Identifier (NPI) is 1124155155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Stark's specialty?
- Leslie Stark is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Leslie Stark located?
- Leslie Stark's practice location on file with NPPES is 2045 N Franklin St, Denver, CO 80205-5437.
- What is Leslie Stark's phone number?
- The practice phone number listed in the NPPES registry for Leslie Stark is (303) 338-4545.
- Does Leslie Stark accept Medicare?
- Leslie Stark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Stark's NPI active?
- Yes — Leslie Stark's NPI (1124155155) is active in the NPPES registry as of the last update on 2021-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.