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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HAYLEY ILENE RISSE PA
NPI 1982352852
Physician Assistant in Fairfield, CA

Active since March 10, 2022PECOS Enrolled
1860 PENNSYLVANIA AVE STE 110, FAIRFIELD, CA 94533(707) 646-4692(707) 646-4867 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2026, Jun 13, 2024, Sep 5, 2023 and 2 more (5 updates tracked since 2022).

About Hayley Ilene Risse Pa NPPES

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

HAYLEY ILENE RISSE PA (NPI 1982352852) is an individual physician assistant in Fairfield, California and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982352852
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHAYLEY ILENE RISSECredential: PA
Location Address1860 PENNSYLVANIA AVE STE 110Fairfield, CA 94533-3550
Mailing Address782 Braydon Pl Unit 203Napa, CA 94559-3070
Phone(707) 646-4692
Fax(707) 646-4867
Sole ProprietorNo
Enumeration DateMarch 10, 2022
Last NPPES UpdateJuly 24, 20265 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1982352852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
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.
1860 PENNSYLVANIA AVE STE 110, Fairfield, CA 94533
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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 (PECOS)

Hayley Ilene Risse Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 94533 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
$98.85 typical visit price
range $65.02 – $191.95
Typical copayment $24.71 (range $16.25 – $47.98)
Most-billed visit code 99203
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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.

TEODOR DURO MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1860 PENNSYLVANIA AVE STE 110
FAIRFIELD, CA 94533
Solano County (707) 646-4114

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 Hayley Risse's NPI number?

The NPI number for Hayley Risse is 1982352852. It was assigned to this individual provider in the NPPES registry on March 10, 2022.

Where is Hayley Risse located?

Hayley Risse practices at 1860 Pennsylvania Ave Ste 110, Fairfield, CA 94533. The listed phone number is (707) 646-4692.

What is Hayley Risse's specialty?

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

Is Hayley Risse enrolled in Medicare?

Yes. Hayley Risse is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Hayley Risse was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.