Doctor profile · Federal record

Dr. Lucy Ehrenfeld, APRN

Family Nurse Practitioner (CMS: Nurse Practitioner) · New Haven, CT

  • NPI 1912570532
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
374 Grand Ave
New Haven, CT 065133733
(203) 777-7411

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Profile last updated
September 26, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Connecticut #9877

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912570532. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $39.56
Exact Sciences Corporation 1 $16.34
Phadia US INC. 1 $15.50

By nature of payment

Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
444
Patients
59
Total drug cost
$11,193
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 66 18 $810
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 40 0 $4,803
Pantoprazole Sodium Generic 38 14 $519
Lisinopril Generic 34 13 $333
Amlodipine Besylate Generic 33 14 $128
Gabapentin Generic 28 0 $547
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 27 0 $881
Levothyroxine Sodium Generic 26 0 $503
Metformin Hcl ER (Metformin Hcl) Brand 26 0 $875
Rosuvastatin Calcium Generic 25 0 $434

Frequently asked questions

Auto-generated from federal data
What is Dr. Lucy Ehrenfeld's medical specialty?
Dr. Lucy Ehrenfeld practices Family Nurse Practitioner in New Haven, CT.
Where does Dr. Lucy Ehrenfeld practice?
Dr. Lucy Ehrenfeld practices at 374 Grand Ave, New Haven, CT 065133733. Office phone: 2037777411.
What is Dr. Lucy Ehrenfeld's NPI?
Dr. Lucy Ehrenfeld's National Provider Identifier (NPI) is 1912570532, issued by NPPES.
Does Dr. Lucy Ehrenfeld accept Medicare assignment?
Yes. Dr. Lucy Ehrenfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.