Hallie Nelson, MD
NPI 1417513722 · Obstetrics & Gynecology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hallie Nelson, MD is a Obstetrics & Gynecology Physician provider in New Haven, CT (NPI 1417513722).
Provider details
- NPI number
- 1417513722
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 82469 (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
7 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
- 2019-05-13
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Hallie Nelson's NPI number?
- Hallie Nelson's National Provider Identifier (NPI) is 1417513722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hallie Nelson's specialty?
- Hallie Nelson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Hallie Nelson located?
- Hallie Nelson's practice location on file with NPPES is 789 Howard Ave, New Haven, CT 06519-1304.
- What is Hallie Nelson's phone number?
- The practice phone number listed in the NPPES registry for Hallie Nelson is (877) 925-3637.
- Does Hallie Nelson accept Medicare?
- Hallie Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hallie Nelson's NPI active?
- Yes — Hallie Nelson's NPI (1417513722) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.