Doctor profile · Federal record

Dr. Ariel Lefland, MD

Neurology Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · New Haven, CT

  • NPI 1508362385
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(203) 688-4242
Additional location
2301 Erwin Road
Durham, NC 27710
(919) 684-8111

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 23, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Connecticut #69797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508362385. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$219,448
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Genentech, Inc. 1 $219,277.00
Biogen, Inc. 1 $90.70
Amgen Inc. 2 $49.70
Novartis Pharmaceuticals Corporation 1 $30.71

By nature of payment

Grant
$219,277
Food and Beverage
$171

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
414
Patients
103
Total drug cost
$953,767
Drug Type Claims Patients Total cost
Baclofen Generic 87 37 $3,549
Gabapentin Generic 82 28 $2,479
Dalfampridine Er (Dalfampridine) Brand 60 25 $51,364
Copaxone (Glatiramer Acetate) Brand 24 0 $173,257
Pregabalin Generic 24 13 $3,009
Aubagio (Teriflunomide) Brand 23 0 $224,170
Tizanidine Hcl Generic 23 0 $865
Avonex (Interferon Beta-1a) Brand 21 0 $182,826
Dimethyl Fumarate Generic 19 0 $39,646
Glatiramer Acetate Generic 16 0 $52,587

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ariel Lefland's medical specialty?
Dr. Ariel Lefland practices Neurology Physician in New Haven, CT.
Where does Dr. Ariel Lefland practice?
Dr. Ariel Lefland practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884242.
What is Dr. Ariel Lefland's NPI?
Dr. Ariel Lefland's National Provider Identifier (NPI) is 1508362385, issued by NPPES.
Does Dr. Ariel Lefland accept Medicare assignment?
Yes. Dr. Ariel Lefland accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.