Hallmark Chiropractic in Riverhead, NY
This organization bills under NPI 1942248489, an organization record issued on Jun 4, 2006 with the primary taxonomy Chiropractor. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1942248489
- Legal name
- Hallmark Chiropractic
- Entity
- Type 2 · organization
- Primary taxonomy
- Chiropractor 111N00000X
- Practice location
- 633 ROANOKE AVE, Riverhead, NY 11901
- Phone
- 631-727-3795
- Enumerated
- Jun 4, 2006
- Record updated
- Mar 8, 2011
- Authorized official
- Partner (title as filed)
2 clinicians CMS lists with Hallmark Chiropractic in Riverhead
- Glen Mark, DCChiropractor1669415238
- Nancy Mark, DCChiropractor1225398860
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the New York secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.