David Marr, DC
NPI 1538117726 · Chiropractor · Chicago, IL
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Marr, DC is a Chiropractor provider in Chicago, IL (NPI 1538117726).
Provider details
- NPI number
- 1538117726
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 038010188 (IL)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-04
- Last updated
- 2016-04-05
Frequently asked questions
- What is David Marr's NPI number?
- David Marr's National Provider Identifier (NPI) is 1538117726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marr's specialty?
- David Marr is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is David Marr located?
- David Marr's practice location on file with NPPES is 2732 N Lincoln Ave, Chicago, IL 60614-7431.
- What is David Marr's phone number?
- The practice phone number listed in the NPPES registry for David Marr is (312) 235-6773.
- Does David Marr accept Medicare?
- David Marr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Marr's NPI active?
- Yes — David Marr's NPI (1538117726) is active in the NPPES registry as of the last update on 2016-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.