Hhc One Medical, LLC
NPI 1639881956 · Internal Medicine Physician · Darien, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hhc One Medical, LLC is a Internal Medicine Physician organization in Darien, CT (NPI 1639881956).
Provider details
- NPI number
- 1639881956
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Vye, Vice President(860) 972-7858
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Other names (DBA / former)
- Other name
- Hhc One Medical, LLC
Registry dates
- Enumerated
- 2022-12-19
- Last updated
- 2023-05-17
- Certified
- 2023-05-17
Frequently asked questions
- What is Hhc One Medical, LLC's NPI number?
- Hhc One Medical, LLC's National Provider Identifier (NPI) is 1639881956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Hhc One Medical, LLC?
- Hhc One Medical, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hhc One Medical, LLC located?
- Hhc One Medical, LLC's practice location on file with NPPES is 104 Heights Rd Ste R103, Darien, CT 06820-4119.
- What is Hhc One Medical, LLC's phone number?
- The practice phone number listed in the NPPES registry for Hhc One Medical, LLC is (888) 663-6331.
- Does Hhc One Medical, LLC accept Medicare?
- Hhc One Medical, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Hhc One Medical, LLC?
- The authorized official listed on Hhc One Medical, LLC's NPPES record is Mark Vye, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Hhc One Medical, LLC's NPI active?
- Yes — Hhc One Medical, LLC's NPI (1639881956) is active in the NPPES registry as of the last update on 2023-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.