JOANNA JANE PLUMETTAZ PA
NPI 1588062145
Physician Assistant in Napa, CA

Q: What is Joanna Plumettaz's NPI number?

The NPI number for Joanna Plumettaz is 1588062145. It was assigned to this individual provider in the NPPES registry on December 15, 2014. The provider is also known as Joanna Jane Nichols.

Q: What is Joanna Plumettaz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Joanna Plumettaz was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 December 15, 2014PECOS EnrolledAccepts Medicare Assignment

1100 TRANCAS ST STE 256, NAPA, CA 94558(707) 251-3604 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 29, 2025, Aug 10, 2023, Mar 1, 2023 and 3 more (6 updates tracked since 2020).

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About Joanna Jane Plumettaz Pa NPPES

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

JOANNA JANE PLUMETTAZ PA (NPI 1588062145) is an individual physician assistant in Napa, California, licensed in California (PA62986) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Napa, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1588062145

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameJOANNA JANE PLUMETTAZCredential: PA

Location Address1100 TRANCAS ST STE 256Napa, CA 94558-2921

Mailing Address1100 Trancas St Ste 256Napa, CA 94558-2921 · (707) 251-3604

Phone(707) 251-3604

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateDecember 15, 2014

Last NPPES UpdateDecember 29, 20256 updates tracked since enumeration

NPPES CertifiedDecember 29, 2025

✔ NPI 1588062145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in CA · PA62986✔ Licensed in TX · PA09577

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA09577 (TX)

1100 TRANCAS ST STE 256, Napa, CA 94558

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Other Names 1

Former Name (1)Joanna Jane Nichols

Secondary Practice Location 1

Location 11141 Pear Tree LnNapa, CA 94558-6484 · Phone (707) 254-1770

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

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

Joanna Jane Plumettaz Pa 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 ID4183913577

PECOS Enrollment IDI20230915002606

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 9

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.

369 services279 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.

335 services227 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

48 services48 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

27 services25 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

22 services18 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.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 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

$98.97 typical visit price

range $65.08 – $192.16

Typical copayment $24.74 (range $16.27 – $48.04)

Most-billed visit code 99203

Established Patient

$80.32 typical visit price

range $21.86 – $157.83

Typical copayment $20.08 (range $5.46 – $39.45)

Most-billed visit code 99213

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 8

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

SARAH BROOKE FLEISIG M.D.

Internal Medicine (Hematology & Oncology)