OrganizationActive
Ack Back
NPI 1467845867 · Chiropractor · Nantucket, MA
Ack Back is a Chiropractor organization in Nantucket, MA (NPI 1467845867).
Provider details
- NPI number
- 1467845867
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Walter Lester, Owner(917) 664-0425
- License
- 3484 (MA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
14 S Shore Rd
Nantucket, MA 02554-4410
Phone: (917) 664-0425
Street-level locationGet directions
Mailing address
144 Pleasant St Unit 3256
Nantucket, MA 02584-0158
Registry dates
- Enumerated
- 2015-03-09
- Last updated
- 2015-04-01
Frequently asked questions
- What is Ack Back's NPI number?
- Ack Back's National Provider Identifier (NPI) is 1467845867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ack Back?
- Ack Back is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Ack Back located?
- Ack Back's practice location on file with NPPES is 14 S Shore Rd, Nantucket, MA 02554-4410.
- What is Ack Back's phone number?
- The practice phone number listed in the NPPES registry for Ack Back is (917) 664-0425.
- Who is the authorized official for Ack Back?
- The authorized official listed on Ack Back's NPPES record is Walter Lester, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ack Back's NPI active?
- Yes — Ack Back's NPI (1467845867) is active in the NPPES registry as of the last update on 2015-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.