William Meiser, D.O.
NPI 1962428482 · Family Medicine Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Meiser, D.O. is a Family Medicine Physician provider in Round Rock, TX (NPI 1962428482).
Provider details
- NPI number
- 1962428482
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- F6941 (TX)
Specialties & taxonomies
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
- 2006-07-15
- Last updated
- 2009-08-25
Frequently asked questions
- What is William Meiser's NPI number?
- William Meiser's National Provider Identifier (NPI) is 1962428482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Meiser's specialty?
- William Meiser is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Meiser located?
- William Meiser's practice location on file with NPPES is 16906 Bar Harbor Bnd, Round Rock, TX 78681-3408.
- What is William Meiser's phone number?
- The practice phone number listed in the NPPES registry for William Meiser is (512) 535-6999.
- Does William Meiser accept Medicare?
- William Meiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Meiser's NPI active?
- Yes — William Meiser's NPI (1962428482) is active in the NPPES registry as of the last update on 2009-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.