Gregory Ash, D.C.
NPI 1275614463 · Rehabilitation Chiropractor · Duluth, MN
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ash, D.C. is a Rehabilitation Chiropractor provider in Duluth, MN (NPI 1275614463).
Provider details
- NPI number
- 1275614463
- Entity type
- Individual
- Primary specialty
- Rehabilitation ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 1809 (MN)
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
- 2006-10-17
- Last updated
- 2011-02-16
Frequently asked questions
- What is Gregory Ash's NPI number?
- Gregory Ash's National Provider Identifier (NPI) is 1275614463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ash's specialty?
- Gregory Ash is listed in the NPPES registry with a primary specialty of Rehabilitation Chiropractor (Chiropractic Providers).
- Where is Gregory Ash located?
- Gregory Ash's practice location on file with NPPES is 1118 E Superior St, Duluth, MN 55802-2217.
- What is Gregory Ash's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ash is (218) 728-3639.
- Does Gregory Ash accept Medicare?
- Gregory Ash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ash's NPI active?
- Yes — Gregory Ash's NPI (1275614463) is active in the NPPES registry as of the last update on 2011-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.