Mark Heintzkill, DC
NPI 1427118413 · Chiropractor · Manitowoc, WI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Heintzkill, DC is a Chiropractor provider in Manitowoc, WI (NPI 1427118413).
Provider details
- NPI number
- 1427118413
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 1697012 (WI)
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
- 2006-12-11
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is Mark Heintzkill's NPI number?
- Mark Heintzkill's National Provider Identifier (NPI) is 1427118413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Heintzkill's specialty?
- Mark Heintzkill is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Mark Heintzkill located?
- Mark Heintzkill's practice location on file with NPPES is 3509 Dewey St, Manitowoc, WI 54220-5813.
- What is Mark Heintzkill's phone number?
- The practice phone number listed in the NPPES registry for Mark Heintzkill is (920) 686-5732.
- Does Mark Heintzkill accept Medicare?
- Mark Heintzkill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Heintzkill's NPI active?
- Yes — Mark Heintzkill's NPI (1427118413) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.