MRS. KARMEN A NGUYEN NP-C
NPI 1700455714
Nurse Practitioner in Sherman Oaks, CA

Q: What is Karmen Nguyen's NPI number?

The NPI number for Karmen Nguyen is 1700455714. It was assigned to this individual provider in the NPPES registry on June 23, 2021.

Q: What is Karmen Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Karmen Nguyen was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 23, 2021PECOS EnrolledAccepts Medicare Assignment

15200 RAYNETA DR, SHERMAN OAKS, CA 91403(424) 312-3830 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 18, 2026, Jun 23, 2021 (2 updates tracked since 2021).

On this page

About Mrs. Karmen A Nguyen Np-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KARMEN A NGUYEN NP-C (NPI 1700455714) is an individual nurse practitioner in Sherman Oaks, California, licensed in California (95016215) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1700455714

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. KARMEN A NGUYENCredential: NP-C

Location Address15200 RAYNETA DRSherman Oaks, CA 91403-4430

Mailing Address15200 Rayneta DrSherman Oaks, CA 91403-4430 · (424) 312-3830

Phone(424) 312-3830

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateJune 23, 2021

Last NPPES UpdateMay 18, 20262 updates tracked since enumeration

NPPES CertifiedMay 18, 2026

✔ NPI 1700455714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 95016215

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

15200 RAYNETA DR, Sherman Oaks, CA 91403

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Karmen A Nguyen Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820487465

PECOS Enrollment IDI20211119000891

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Karmen Nguyen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mend Health Inc

1.9 mi

Urgent Care

4312 WOODMAN AVE, SUITE 102
Sherman Oaks, CA 91423

Reassigned Medicare billing, California enrollment
37 clinicians in this Medicare group

NPI 1467849745 (310) 488-2830

Mend & Restore LLC

5.4 mi

Multi-Specialty

11026 VENTURA BLVD STE 17
Studio City, CA 91604

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1760371363 (818) 205-7231

Onsite Medical Solutions Inc

6.9 mi

Family Medicine

4100 W ALAMEDA AVE STE 300
Burbank, CA 91505

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1952286569 (818) 698-1401

Optimum Wound Care Inc

8.4 mi

Surgery

22151 VENTURA BLVD STE 101
Woodland Hills, CA 91364

Reassigned Medicare billing, California enrollment
16 clinicians in this Medicare group

NPI 1578217451 (877) 343-6885

Wound Saviors Advanced Medical Group Inc

27 mi

Family

3605 LONG BEACH BLVD STE 210F
Long Beach, CA 90807

Reassigned Medicare billing, California enrollment
9 clinicians in this Medicare group

NPI 1013809854 (714) 698-9826

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

346 services126 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

304 services105 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

303 services122 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

279 services41 patients

Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less 15271

This procedure involves applying a skin substitute graft to a wound on the trunk, arms, or legs. The graft, a lab-grown skin, is used to cover a wound area of 25.0 sq cm or less, within a total wound area of 100.0 sq cm or less. It aids in healing and regeneration.

272 services70 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

264 services194 patients

Application of skin substitute graft to wound of trunk, arms, or legs, each additional 25.0 sq cm of wound 100.0 sq cm or less 15272

This procedure involves applying a skin substitute graft to a wound on your trunk, arms, or legs. The graft, which is a type of artificial skin, helps promote healing by covering the wound. This description refers to additional grafts for wounds up to 100 sq cm.

108 services25 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

89 services89 patients

Removal of inflamed or infected skin, up to 10% of body surface 11000

This procedure involves the surgical removal of inflamed or infected skin covering up to 10% of your body surface. It's done to prevent the spread of infection and promote healing. Local or general anesthesia is used to ensure comfort during the process.

60 services20 patients

Application of skin substitute graft to wound of face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 25.0 sq cm or less of wound 100.0 sq cm or less 15275

This procedure involves applying a skin substitute graft to a wound that's 25.0 sq cm or less, located on areas such as the face, scalp, eyelids, mouth, neck, ears, around eyes, hands, feet, fingers, or toes. The graft aids in wound healing and tissue regeneration.

40 services15 patients

Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes 99342

A new patient home visit is a 30-minute appointment where a healthcare provider comes to your home to assess your health needs. This can include discussing your medical history, current conditions, and treatment plans. It's a convenient way to receive care in your own environment.

36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID KAY DO

Family Medicine

15200 RAYNETA DR
SHERMAN OAKS, CA 91403

Los Angeles County (413) 626-3610

SUMMIT MEDICAL SOLUTIONS INC

Psychiatry & Neurology (Psychiatry)

15200 RAYNETA DR
SHERMAN OAKS, CA 91403

Los Angeles County (332) 330-3903

HORIZON HEALTH SOLUTIONS INC

Family Medicine (Sleep Medicine)

15200 RAYNETA DR
SHERMAN OAKS, CA 91403

Los Angeles County (917) 331-7866

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karmen Nguyen's NPI number?

The NPI number for Karmen Nguyen is 1700455714. It was assigned to this individual provider in the NPPES registry on June 23, 2021.

Where is Karmen Nguyen located?

Karmen Nguyen practices at 15200 Rayneta Dr, Sherman Oaks, CA 91403. The listed phone number is (424) 312-3830.

What is Karmen Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Karmen Nguyen enrolled in Medicare?

Yes. Karmen Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karmen Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karmen Nguyen reassigns Medicare benefits to 5 organizations: Mend Health Inc (Sherman Oaks, CA), Mend & Restore LLC (Studio City, CA), Onsite Medical Solutions Inc (Burbank, CA), Optimum Wound Care Inc (Woodland Hills, CA) and Wound Saviors Advanced Medical Group Inc (Long Beach, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karmen Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karmen Nguyen was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.