OrganizationActive
Marc Greenstein Acupuncture, PLLC.
NPI 1316591969 · Acupuncturist · East Setauket, NY
Marc Greenstein Acupuncture, PLLC. is a Acupuncturist organization in East Setauket, NY (NPI 1316591969).
Provider details
- NPI number
- 1316591969
- Entity type
- Organization
- Primary specialty
- AcupuncturistOther Service Providers
- Organization subpart
- No
- Authorized official
- Marc Greenstein, President(631) 764-1284
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
6 S Jersey Ave
East Setauket, NY 11733-2021
Phone: (516) 605-4868
Street-level locationGet directions
Mailing address
34 Knoll Top Rd
Stony Brook, NY 11790-1404
Registry dates
- Enumerated
- 2019-07-31
- Last updated
- 2019-07-31
Frequently asked questions
- What is Marc Greenstein Acupuncture, PLLC.'s NPI number?
- Marc Greenstein Acupuncture, PLLC.'s National Provider Identifier (NPI) is 1316591969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc Greenstein Acupuncture, PLLC.?
- Marc Greenstein Acupuncture, PLLC. is classified in the NPPES registry as Acupuncturist (Other Service Providers).
- Where is Marc Greenstein Acupuncture, PLLC. located?
- Marc Greenstein Acupuncture, PLLC.'s practice location on file with NPPES is 6 S Jersey Ave, East Setauket, NY 11733-2021.
- What is Marc Greenstein Acupuncture, PLLC.'s phone number?
- The practice phone number listed in the NPPES registry for Marc Greenstein Acupuncture, PLLC. is (516) 605-4868.
- Who is the authorized official for Marc Greenstein Acupuncture, PLLC.?
- The authorized official listed on Marc Greenstein Acupuncture, PLLC.'s NPPES record is Marc Greenstein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc Greenstein Acupuncture, PLLC.'s NPI active?
- Yes — Marc Greenstein Acupuncture, PLLC.'s NPI (1316591969) is active in the NPPES registry as of the last update on 2019-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.