Larisa A. Fleysher, APRN
Family Nurse Practitioner · Norwalk, CT
Larisa A. Fleysher, APRN is a family nurse practitioner with a practice address in Norwalk, Connecticut, and NPI 1104115989, issued on Apr 1, 2011. Check the license (Connecticut 4583, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larisa A. Fleysher
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 4583 CT
Self-reported in NPPES; status is on the state search - Practice location
- 34 Maple St, Norwalk, CT 06850
- Phone
- (203) 852-2204
- Enumerated
- Apr 1, 2011
- Record last updated
- Aug 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (203) 852-3109
- Medicare enrollment
- Enrolled (PECOS I20110510000373); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 34 Maple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Larisa A. Fleysher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
153 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 17 claims were for opioids.
Most prescribed
- Eliquis18 claims
- Nystatin11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.76
1 payment: food and beverage; the largest payer was Pfizer Inc. 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
- Yale UniversityTrumbull, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Larisa A. Fleysher among 2,669 family nurse practitioner records in Connecticut
Larisa A. Fleysher, 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 2011, is newer than 20% of them.
- NPI issued2011 · 20% of these records are older, 77% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2010 · median 2018 among the 1,664 with a school on file
- Record last updated2016 · 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).
54 family nurse practitioner records list a practice address in Norwalk
They are 54 of the 1,993 NPPES records with a practice address in Norwalk, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Norwalk → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Julia Barbosa, DNP, FNP-CNorwalk, CT 068501871206755
- Mary Boudreau, APRNNorwalk, CT 068501447591680
- Chandrika Brown, NPNorwalk, CT 068501780252940
- Alicia Collen Zeidan, APRNNorwalk, CT 068501992129886
- Patricia Garton, APRN-BCNorwalk, CT 068501750400396
- Verna Harmon, CRNPNorwalk, CT 068501689894362
- Suzanne Hines, APRN, FNP-CNorwalk, CT 068501194008466
- Maryellen Horan, FNPNorwalk, CT 068501346681640
Common questions
What is Larisa A. Fleysher, APRN's NPI number?
Larisa A. Fleysher, APRN's National Provider Identifier (NPI) is 1104115989, issued on Apr 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Larisa A. Fleysher, APRN located?
The NPPES record lists a practice address at 34 Maple St, Norwalk, CT, 06850. Phone: (203) 852-2204. Providers update this record themselves, so call before visiting.
How can I verify Larisa A. Fleysher, APRN's license?
NPPES lists Connecticut license number 4583, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Larisa A. Fleysher, APRN prescribe under Medicare Part D?
In 2024, Larisa A. Fleysher, APRN had 153 Medicare Part D claims for 63 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Larisa A. Fleysher, APRN's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.