James Sieffert, D.C.
NPI 1942308994 · Chiropractor · Mesa, AZ
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Sieffert, D.C. is a Chiropractor provider in Mesa, AZ (NPI 1942308994).
Provider details
- NPI number
- 1942308994
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 5294 (AZ)
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
- 2006-09-20
- Last updated
- 2010-10-28
Frequently asked questions
- What is James Sieffert's NPI number?
- James Sieffert's National Provider Identifier (NPI) is 1942308994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Sieffert's specialty?
- James Sieffert is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is James Sieffert located?
- James Sieffert's practice location on file with NPPES is 4540 E Baseline Rd, Mesa, AZ 85206-4613.
- What is James Sieffert's phone number?
- The practice phone number listed in the NPPES registry for James Sieffert is (480) 272-8944.
- Does James Sieffert accept Medicare?
- James Sieffert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Sieffert's NPI active?
- Yes — James Sieffert's NPI (1942308994) is active in the NPPES registry as of the last update on 2010-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.