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MS. ROSEANNA M DUENAS P.A.-C
NPI 1417488073
Physician Assistant in Sebastopol, CA

Active since March 24, 2017PECOS EnrolledAccepts Medicare Assignment
6400 LONE PINE RD, SEBASTOPOL, CA 95472(707) 861-1187(707) 261-0786 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 10, 2026, Mar 31, 2026, Mar 10, 2026 and 2 more (5 updates tracked since 2017).

About Ms. Roseanna M Duenas P.a.-c NPPES

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

MS. ROSEANNA M DUENAS P.A.-C (NPI 1417488073) is an individual physician assistant in Sebastopol, California, licensed in California (53976) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mill Valley, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1417488073
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. ROSEANNA M DUENASCredential: P.A.-C
Location Address6400 LONE PINE RDSebastopol, CA 95472-5623
Mailing AddressPo Box 7019Cotati, CA 94931-7019
Phone(707) 861-1187
Fax(707) 261-0786
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 24, 2017
Last NPPES UpdateApril 10, 20265 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
✔ NPI 1417488073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 53976
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.
6400 LONE PINE RD, Sebastopol, CA 95472
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Secondary Practice Location 1

Location 1655 Redwood Hwy Frontage Rd Ste 240Mill Valley, CA 94941-3055 · Phone (866) 247-4292 · Fax (866) 247-4293

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

Ms. Roseanna M Duenas P.a.-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 ID8224467733
PECOS Enrollment IDI20200404000408
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 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.
158 services32 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
36 services26 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
25 services25 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.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95472 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
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$77.94 typical visit price
range $21.02 – $153.40
Typical copayment $19.48 (range $5.25 – $38.35)
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

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

PHYSICIAN ASSISTANT CONSULTS, INC.
Clinic/Center (Mental Health (Including Community Mental Health Center))
6400 LONE PINE RD
SEBASTOPOL, CA 95472
Sonoma County (707) 861-1187

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 Roseanna Duenas's NPI number?

The NPI number for Roseanna Duenas is 1417488073. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Roseanna Duenas located?

Roseanna Duenas practices at 6400 Lone Pine Rd, Sebastopol, CA 95472. The listed phone number is (707) 861-1187.

What is Roseanna Duenas's specialty?

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

Is Roseanna Duenas enrolled in Medicare?

Yes. Roseanna Duenas 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.

When was this NPI record last updated?

The NPPES record for Roseanna Duenas was last updated on April 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.