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STEPHANIE HSIEH
NPI 1720868045
Physician Assistant in Gualala, CA

Active since October 03, 2023PECOS EnrolledAccepts Medicare Assignment
38001 OLD STAGE RD, GUALALA, CA 95445(707) 412-3176 Get Directions Write a Review

NPPES record last updated: March 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 27, 2026, Sep 18, 2025, Mar 2, 2025 and 1 more (4 updates tracked since 2023).

About Stephanie Hsieh NPPES

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

STEPHANIE HSIEH (NPI 1720868045) is an individual physician assistant in Gualala, California, licensed in California (63007) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1720868045
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameSTEPHANIE HSIEH
Location Address38001 OLD STAGE RDGualala, CA 95445-8543
Mailing AddressPo Box 1196Gualala, CA 95445-1196
Phone(707) 412-3176
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 3, 2023
Last NPPES UpdateMarch 27, 20264 updates tracked since enumeration
NPPES CertifiedMarch 27, 2026
✔ NPI 1720868045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in CA · 63007✔ Licensed in CA · PA63007
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.
38001 OLD STAGE RD, Gualala, CA 95445
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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

Stephanie Hsieh 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 ID9537600788
PECOS Enrollment IDI20240916002350
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95445 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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 2

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

SHAYE LARIE NP
Nurse Practitioner (Primary Care)
38001 OLD STAGE RD
GUALALA, CA 95445
Mendocino County (707) 412-3176
CAROLYN HAND N.P.
Nurse Practitioner
38001 OLD STAGE RD
GUALALA, CA 95445
Mendocino County (707) 412-3176

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 Stephanie Hsieh's NPI number?

The NPI number for Stephanie Hsieh is 1720868045. It was assigned to this individual provider in the NPPES registry on October 3, 2023.

Where is Stephanie Hsieh located?

Stephanie Hsieh practices at 38001 Old Stage Rd, Gualala, CA 95445. The listed phone number is (707) 412-3176.

What is Stephanie Hsieh's specialty?

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

Is Stephanie Hsieh enrolled in Medicare?

Yes. Stephanie Hsieh 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 Stephanie Hsieh was last updated on March 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.