Lucy Ehrenfeld, APRN
Family Nurse Practitioner · New Haven, CT
Lucy Ehrenfeld, APRN is a family nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1912570532, issued on Jul 21, 2021. Check the license (Connecticut 9877, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lucy Ehrenfeld
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 9877 CT
Self-reported in NPPES; status is on the state search - Practice location
- 374 Grand Ave, New Haven, CT 06513
- Phone
- (203) 777-7411
- Enumerated
- Jul 21, 2021
- Record last updated
- Sep 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20240416001488); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 374 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Renu Boatright, M.D.Pediatrics Physician1407023252
Verify Lucy Ehrenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 9877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average family nurse practitioner in 2024
883 Medicare Part D claims for 132 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone92 claims
- Atorvastatin Calcium40 claims
- Amlodipine Besylate37 claims
- Albuterol Sulfate Hfa30 claims
- Pantoprazole Sodium25 claims
- Gabapentin23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $71.40
3 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fair Haven Community Health Clinic IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lucy Ehrenfeld among 2,669 family nurse practitioner records in Connecticut
Lucy Ehrenfeld, APRN is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2018 among the 1,664 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
239 family nurse practitioner records list a practice address in New Haven
They are 239 of the 9,793 NPPES records with a practice address in New Haven, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in New Haven → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Clarice Begemann, APRNNew Haven, CT 065131902900053
- Daijsia Bubb, APRNNew Haven, CT 065131023595725
- Amanda Decew, APRNNew Haven, CT 065131598010407
- Grace Hayner, APRNNew Haven, CT 065131184100745
- Raquel Pombo, APRN FNPNew Haven, CT 065131164289328
- Lynn Price, APRNNew Haven, CT 065131881713485
- Rachel Romero, APRNNew Haven, CT 065131063147627
- Jessica Thompson, NP-CNew Haven, CT 065131396096756
Common questions
What is Lucy Ehrenfeld, APRN's NPI number?
Lucy Ehrenfeld, APRN's National Provider Identifier (NPI) is 1912570532, issued on Jul 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Lucy Ehrenfeld, APRN located?
The NPPES record lists a practice address at 374 Grand Ave, New Haven, CT, 06513. Phone: (203) 777-7411. Providers update this record themselves, so call before visiting.
How can I verify Lucy Ehrenfeld, APRN's license?
NPPES lists Connecticut license number 9877, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Lucy Ehrenfeld, APRN prescribe under Medicare Part D?
In 2024, Lucy Ehrenfeld, APRN had 883 Medicare Part D claims for 132 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.