CARMEN RAE ERNST NP
NPI 1679292015
Nurse Practitioner - Adult Health in Sunnyvale, CA

Q: What is Carmen Ernst's NPI number?

The NPI number for Carmen Ernst is 1679292015. It was assigned to this individual provider in the NPPES registry on August 26, 2022.

Q: What is Carmen Ernst's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Carmen Ernst was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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 August 26, 2022PECOS EnrolledAccepts Medicare Assignment

301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 524-4116 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 9, 2023, Aug 26, 2022 (2 updates tracked since 2022).

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About Carmen Rae Ernst Np NPPES

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

CARMEN RAE ERNST NP (NPI 1679292015) is an individual adult health provider in Sunnyvale, California, licensed in California (95022371) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1679292015

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameCARMEN RAE ERNSTCredential: NP

Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386

Mailing Address325 Distel CirLos Altos, CA 94022-1408

Phone(408) 524-4116

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateAugust 26, 2022

Last NPPES UpdateMay 9, 20232 updates tracked since enumeration

NPPES CertifiedMay 9, 2023

✔ NPI 1679292015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CA · 95022371

301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carmen Rae Ernst Np 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 ID6709241227

PECOS Enrollment IDI20230504002324

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.

Areas of Expertise CMS Part B claims 4

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.

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.

63 services39 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

54 services41 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

52 services50 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94086 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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Other Providers at the Same Location NPPES 20

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

DR. TAN MICHAEL NGUYEN MD

Internal Medicine