Gregory Nystrom, DC
NPI 1871572321 · Chiropractor · Green Bay, WI
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Nystrom, DC is a Chiropractor provider in Green Bay, WI (NPI 1871572321).
Provider details
- NPI number
- 1871572321
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- DC
- Sex
- Male
- Sole proprietor
- No
- License
- 3062 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1441 Bellevue StBellevue Chiropractic ClinicGreen Bay, WI 54311-5605Phone: (920) 465-7772Fax: (920) 468-9785
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Gregory Nystrom's NPI number?
- Gregory Nystrom's National Provider Identifier (NPI) is 1871572321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Nystrom's specialty?
- Gregory Nystrom is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Gregory Nystrom located?
- Gregory Nystrom's practice location on file with NPPES is 1110 Kepler Dr, Green Bay, WI 54311-8306.
- What is Gregory Nystrom's phone number?
- The practice phone number listed in the NPPES registry for Gregory Nystrom is (920) 288-5555.
- Does Gregory Nystrom accept Medicare?
- Gregory Nystrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Nystrom's NPI active?
- Yes — Gregory Nystrom's NPI (1871572321) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.