John Griswold, DC
NPI 1720706062 · Chiropractor · Jackson, MI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Griswold, DC is a Chiropractor provider in Jackson, MI (NPI 1720706062).
Provider details
- NPI number
- 1720706062
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 2301401284 (MI)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2022-08-22
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is John Griswold's NPI number?
- John Griswold's National Provider Identifier (NPI) is 1720706062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griswold's specialty?
- John Griswold is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is John Griswold located?
- John Griswold's practice location on file with NPPES is 2522 Lansing Ave, Jackson, MI 49202-1647.
- What is John Griswold's phone number?
- The practice phone number listed in the NPPES registry for John Griswold is (517) 879-2055.
- Does John Griswold accept Medicare?
- John Griswold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Griswold's NPI active?
- Yes — John Griswold's NPI (1720706062) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.