Harold Seiler, D.D.S.
NPI 1063521227 · Dentist · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Seiler, D.D.S. is a Dentist provider in San Antonio, TX (NPI 1063521227).
Provider details
- NPI number
- 1063521227
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 011387 (TX)
Specialties & taxonomies
Dental Providers
Dental Providers
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
- 2006-08-30
- Last updated
- 2009-12-30
Frequently asked questions
- What is Harold Seiler's NPI number?
- Harold Seiler's National Provider Identifier (NPI) is 1063521227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Seiler's specialty?
- Harold Seiler is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Harold Seiler located?
- Harold Seiler's practice location on file with NPPES is 8110 Windway Dr, San Antonio, TX 78239-2433.
- What is Harold Seiler's phone number?
- The practice phone number listed in the NPPES registry for Harold Seiler is (210) 657-0101.
- Does Harold Seiler accept Medicare?
- Harold Seiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Seiler's NPI active?
- Yes — Harold Seiler's NPI (1063521227) is active in the NPPES registry as of the last update on 2009-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.