Michelle Sia, FNP-C
NPI 1881585388 · Family Nurse Practitioner · Round Rock, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Sia, FNP-C is a Family Nurse Practitioner provider in Round Rock, TX (NPI 1881585388).
Provider details
- NPI number
- 1881585388
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1009759 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-07-12
- Last updated
- 2025-07-17
- Certified
- 2025-07-17
Frequently asked questions
- What is Michelle Sia's NPI number?
- Michelle Sia's National Provider Identifier (NPI) is 1881585388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Sia's specialty?
- Michelle Sia is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Sia located?
- Michelle Sia's practice location on file with NPPES is 4105 Teravista Club Dr, Round Rock, TX 78665-1525.
- What is Michelle Sia's phone number?
- The practice phone number listed in the NPPES registry for Michelle Sia is (877) 384-3106.
- Does Michelle Sia accept Medicare?
- Michelle Sia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Sia's NPI active?
- Yes — Michelle Sia's NPI (1881585388) is active in the NPPES registry as of the last update on 2025-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.