Doctor profile · Federal record

Dr. Larisa Fleysher, APRN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Norwalk, CT

  • NPI 1104115989
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
34 Maple St
Norwalk, CT 068503815
(203) 852-2204
fax (203) 852-3109
Mailing address
5520 Park Ave
Trumbull, CT 066113463

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
August 2, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Connecticut #4583

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104115989. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
2
Medicare allowed
$11,287
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 152 72 $59
99214 Established patient office or other outpatient visit, 30-39 minutes 27 22 $87

In context: peer comparison

Among 7 peers in this city , average services per provider: 108. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $21.76

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$740
Drug Type Claims Patients Total cost
Anastrozole Generic 12 0 $518
Escitalopram Oxalate Generic 12 0 $222

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larisa Fleysher's medical specialty?
Dr. Larisa Fleysher practices Family Nurse Practitioner in Norwalk, CT.
Where does Dr. Larisa Fleysher practice?
Dr. Larisa Fleysher practices at 34 Maple St, Norwalk, CT 068503815. Office phone: 2038522204.
What is Dr. Larisa Fleysher's NPI?
Dr. Larisa Fleysher's National Provider Identifier (NPI) is 1104115989, issued by NPPES.
Does Dr. Larisa Fleysher accept Medicare assignment?
Yes. Dr. Larisa Fleysher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larisa Fleysher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.