Marielle Khuen, FNP
NPI 1962002691 · Family Nurse Practitioner · Norwalk, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marielle Khuen, FNP is a Family Nurse Practitioner provider in Norwalk, CT (NPI 1962002691).
Provider details
- NPI number
- 1962002691
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2020090994 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
415 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Impacted Ear Wax69210 | 183 | $40 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 92 | $169 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $81 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 50 | $99 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 13 | $116 |
Typical Medicare-allowed amounts for these services range $40–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 130 | 61 |
| Fluticasone Propionate | 55 | 26 |
| Mupirocin | 45 | 34 |
| Levocetirizine Dihydrochloride | 43 | 13 |
| Methylprednisolone | 36 | 32 |
| Famotidine | 23 | 11 |
| Fluticasone Propionatebrand: Xhance | 18 | — |
| Ipratropium Bromide | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-10-30
- Last updated
- 2020-10-30
- Certified
- 2020-10-30
Frequently asked questions
- What is Marielle Khuen's NPI number?
- Marielle Khuen's National Provider Identifier (NPI) is 1962002691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielle Khuen's specialty?
- Marielle Khuen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marielle Khuen located?
- Marielle Khuen's practice location on file with NPPES is 39 Fifth St, Norwalk, CT 06855-2402.
- What is Marielle Khuen's phone number?
- The practice phone number listed in the NPPES registry for Marielle Khuen is (178) 145-4677.
- Does Marielle Khuen accept Medicare?
- Marielle Khuen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marielle Khuen's NPI active?
- Yes — Marielle Khuen's NPI (1962002691) is active in the NPPES registry as of the last update on 2020-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.