Marielle Hellerud Khuen, FNP
Family Nurse Practitioner · Norwalk, CT
Marielle Hellerud Khuen, FNP is a family nurse practitioner with a practice address in Norwalk, Connecticut, and NPI 1962002691, issued on Oct 30, 2020. Check the license (Connecticut 2020090994, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marielle Hellerud Khuen
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2020090994 CT
Self-reported in NPPES; status is on the state search - Practice location
- 39 Fifth St, Norwalk, CT 06855
- Phone
- (178) 145-4677
- Enumerated
- Oct 30, 2020
- Record last updated
- Oct 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230824002198); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Verify Marielle Hellerud Khuen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 2020090994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family nurse practitioner in 2024
456 Medicare Part D claims for 169 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Azelastine Hcl130 claims
- Fluticasone Propionate55 claims
- Mupirocin45 claims
- Levocetirizine Dihydrochloride43 claims
- Methylprednisolone36 claims
- Famotidine23 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: $229.11
11 payments; by number, the most common kind was food and beverage; the largest payer was Optinose US, 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
- Ear Nose And Throat Specialists OF CT PCMadison, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marielle Hellerud Khuen among 2,669 family nurse practitioner records in Connecticut
Marielle Hellerud Khuen, FNP 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 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 35% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2018 among the 1,664 with a school on file
- Record last updated2020 · 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
- Terri Fleming, FNP-BCNorwalk, CT 068541265916746
- Kandree Hicks, APRNNorwalk, CT 068541215169578
- Rebecca Kaplan, FNP-BCNorwalk, CT 068541275899346
- Garrett Matlick, APRNNorwalk, CT 068541134600232
- Barbara McCabe, APRNNorwalk, CT 068541306094396
- Alphonse Paolillo, DNP, APRN, FNP-BCNorwalk, CT 068541215642673
- Lissette Rivas Siracusa, APRNNorwalk, CT 068541750804316
- Marta Sarzynski, APRNNorwalk, CT 068541134753080
Common questions
What is Marielle Hellerud Khuen, FNP's NPI number?
Marielle Hellerud Khuen, FNP's National Provider Identifier (NPI) is 1962002691, issued on Oct 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marielle Hellerud Khuen, FNP located?
The NPPES record lists a practice address at 39 Fifth St, Norwalk, CT, 06855. Phone: (178) 145-4677. Providers update this record themselves, so call before visiting.
How can I verify Marielle Hellerud Khuen, FNP's license?
NPPES lists Connecticut license number 2020090994, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Marielle Hellerud Khuen, FNP prescribe under Medicare Part D?
In 2024, Marielle Hellerud Khuen, FNP had 456 Medicare Part D claims for 169 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.