Lucy Ehrenfeld, APRN
NPI 1912570532 · Family Nurse Practitioner · New Haven, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lucy Ehrenfeld, APRN is a Family Nurse Practitioner provider in New Haven, CT (NPI 1912570532).
Provider details
- NPI number
- 1912570532
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 9877 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 92 | — |
| Atorvastatin Calcium | 40 | 14 |
| Amlodipine Besylate | 37 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 11 |
| Pantoprazole Sodium | 25 | — |
| Gabapentin | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-21
- Last updated
- 2025-09-26
- Certified
- 2025-09-26
Frequently asked questions
- What is Lucy Ehrenfeld's NPI number?
- Lucy Ehrenfeld's National Provider Identifier (NPI) is 1912570532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lucy Ehrenfeld's specialty?
- Lucy Ehrenfeld is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lucy Ehrenfeld located?
- Lucy Ehrenfeld's practice location on file with NPPES is 374 Grand Ave, New Haven, CT 06513-3733.
- What is Lucy Ehrenfeld's phone number?
- The practice phone number listed in the NPPES registry for Lucy Ehrenfeld is (203) 777-7411.
- Does Lucy Ehrenfeld accept Medicare?
- Lucy Ehrenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lucy Ehrenfeld's NPI active?
- Yes — Lucy Ehrenfeld's NPI (1912570532) is active in the NPPES registry as of the last update on 2025-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.