Alyssa Nielsen, MD
NPI 1417659780 · Student in an Organized Health Care Education/Training Program · New Haven, CT
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Nielsen, MD is a Student in an Organized Health Care Education/Training Program provider in New Haven, CT (NPI 1417659780).
Provider details
- NPI number
- 1417659780
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
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
83% 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
- 2023-03-20
- Last updated
- 2023-03-20
- Certified
- 2023-03-20
Frequently asked questions
- What is Alyssa Nielsen's NPI number?
- Alyssa Nielsen's National Provider Identifier (NPI) is 1417659780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Nielsen's specialty?
- Alyssa Nielsen is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Alyssa Nielsen located?
- Alyssa Nielsen's practice location on file with NPPES is 300 George St Ste 901, New Haven, CT 06511-6662.
- What is Alyssa Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Nielsen is (203) 785-2095.
- Does Alyssa Nielsen accept Medicare?
- Alyssa Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Nielsen's NPI active?
- Yes — Alyssa Nielsen's NPI (1417659780) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.