Denise Fitzsimon, MD
NPI 1861525636 · Pediatrics Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Fitzsimon, MD is a Pediatrics Physician provider in Round Rock, TX (NPI 1861525636).
Provider details
- NPI number
- 1861525636
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 3954 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2022-11-09
- Certified
- 2022-11-09
Frequently asked questions
- What is Denise Fitzsimon's NPI number?
- Denise Fitzsimon's National Provider Identifier (NPI) is 1861525636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Fitzsimon's specialty?
- Denise Fitzsimon is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Denise Fitzsimon located?
- Denise Fitzsimon's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Denise Fitzsimon's phone number?
- The practice phone number listed in the NPPES registry for Denise Fitzsimon is (512) 509-0200.
- Does Denise Fitzsimon accept Medicare?
- Denise Fitzsimon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Fitzsimon's NPI active?
- Yes — Denise Fitzsimon's NPI (1861525636) is active in the NPPES registry as of the last update on 2022-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.