Thomas Siwa, D.C.
NPI 1770665895 · Chiropractor · Omaha, NE
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Siwa, D.C. is a Chiropractor provider in Omaha, NE (NPI 1770665895).
Provider details
- NPI number
- 1770665895
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 1110 (NE)
Specialties & taxonomies
Chiropractic 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
- 2006-10-19
- Last updated
- 2007-07-09
Frequently asked questions
- What is Thomas Siwa's NPI number?
- Thomas Siwa's National Provider Identifier (NPI) is 1770665895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Siwa's specialty?
- Thomas Siwa is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Thomas Siwa located?
- Thomas Siwa's practice location on file with NPPES is 5148 N 90th St, Omaha, NE 68134-2830.
- What is Thomas Siwa's phone number?
- The practice phone number listed in the NPPES registry for Thomas Siwa is (402) 933-2273.
- Does Thomas Siwa accept Medicare?
- Thomas Siwa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Siwa's NPI active?
- Yes — Thomas Siwa's NPI (1770665895) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.