Brightwaters Internal Medicine PLLC
NPI 1255533360 · Sleep Medicine (Internal Medicine) Physician · Bay Shore, NY
Brightwaters Internal Medicine PLLC is a Sleep Medicine (Internal Medicine) Physician organization in Bay Shore, NY (NPI 1255533360).
Provider details
- NPI number
- 1255533360
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Siegelheim, Physician(631) 665-5074
- License
- 152199 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-06-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is Brightwaters Internal Medicine PLLC's NPI number?
- Brightwaters Internal Medicine PLLC's National Provider Identifier (NPI) is 1255533360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Brightwaters Internal Medicine PLLC?
- Brightwaters Internal Medicine PLLC is classified in the NPPES registry as Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Brightwaters Internal Medicine PLLC located?
- Brightwaters Internal Medicine PLLC's practice location on file with NPPES is 200 Howells Rd, Bay Shore, NY 11706-5300.
- What is Brightwaters Internal Medicine PLLC's phone number?
- The practice phone number listed in the NPPES registry for Brightwaters Internal Medicine PLLC is (631) 665-5074.
- Who is the authorized official for Brightwaters Internal Medicine PLLC?
- The authorized official listed on Brightwaters Internal Medicine PLLC's NPPES record is Mark Siegelheim, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Brightwaters Internal Medicine PLLC's NPI active?
- Yes — Brightwaters Internal Medicine PLLC's NPI (1255533360) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.