OrganizationActive
Heartline Diagnostics LLC
NPI 1639543812 · Physiological Laboratory · Valley Stream, NY
Heartline Diagnostics LLC is a Physiological Laboratory organization in Valley Stream, NY (NPI 1639543812).
Provider details
- NPI number
- 1639543812
- Entity type
- Organization
- Primary specialty
- Physiological LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Sam Gormezano, Member(516) 375-2105
Specialties & taxonomies
Laboratories
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
33 W Hawthorne Ave
Suite 22
Valley Stream, NY 11580-6207
Phone: (516) 812-8844
Street-level locationGet directions
Mailing address
33 W Hawthorne Ave
Valley Stream, NY 11580-6207
Registry dates
- Enumerated
- 2015-11-25
- Last updated
- 2015-12-02
Frequently asked questions
- What is Heartline Diagnostics LLC's NPI number?
- Heartline Diagnostics LLC's National Provider Identifier (NPI) is 1639543812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Heartline Diagnostics LLC?
- Heartline Diagnostics LLC is classified in the NPPES registry as Physiological Laboratory (Laboratories).
- Where is Heartline Diagnostics LLC located?
- Heartline Diagnostics LLC's practice location on file with NPPES is 33 W Hawthorne Ave, Valley Stream, NY 11580-6207.
- What is Heartline Diagnostics LLC's phone number?
- The practice phone number listed in the NPPES registry for Heartline Diagnostics LLC is (516) 812-8844.
- Who is the authorized official for Heartline Diagnostics LLC?
- The authorized official listed on Heartline Diagnostics LLC's NPPES record is Sam Gormezano, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Heartline Diagnostics LLC's NPI active?
- Yes — Heartline Diagnostics LLC's NPI (1639543812) is active in the NPPES registry as of the last update on 2015-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.