Marcelyn Molloy, MD
NPI 1053301358 · Internal Medicine Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcelyn Molloy, MD is a Internal Medicine Physician provider in Greenwich, CT (NPI 1053301358).
Provider details
- NPI number
- 1053301358
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 052486 (CT)
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
20 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
- 2005-10-27
- Last updated
- 2014-07-18
Frequently asked questions
- What is Marcelyn Molloy's NPI number?
- Marcelyn Molloy's National Provider Identifier (NPI) is 1053301358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcelyn Molloy's specialty?
- Marcelyn Molloy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcelyn Molloy located?
- Marcelyn Molloy's practice location on file with NPPES is 75 Holly Hill Ln, Greenwich, CT 06830-6098.
- What is Marcelyn Molloy's phone number?
- The practice phone number listed in the NPPES registry for Marcelyn Molloy is (203) 869-6960.
- Does Marcelyn Molloy accept Medicare?
- Marcelyn Molloy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcelyn Molloy's NPI active?
- Yes — Marcelyn Molloy's NPI (1053301358) is active in the NPPES registry as of the last update on 2014-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.