Madeline O'Sullivan, MD
NPI 1770111353 · Internal Medicine Physician · Salt Lake City, UT
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madeline O'Sullivan, MD is a Internal Medicine Physician provider in Salt Lake City, UT (NPI 1770111353).
Provider details
- NPI number
- 1770111353
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 12420088-1205 (UT)
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
6 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
- 2020-03-30
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Madeline O'Sullivan's NPI number?
- Madeline O'Sullivan's National Provider Identifier (NPI) is 1770111353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeline O'Sullivan's specialty?
- Madeline O'Sullivan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Madeline O'Sullivan located?
- Madeline O'Sullivan's practice location on file with NPPES is 30 N 1900 E Rm 4c116, Salt Lake City, UT 84132-0002.
- What is Madeline O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Madeline O'Sullivan is (801) 585-3580.
- Does Madeline O'Sullivan accept Medicare?
- Madeline O'Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madeline O'Sullivan's NPI active?
- Yes — Madeline O'Sullivan's NPI (1770111353) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.