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JAMES R SISUNG II PSYD
NPI 1790921963
Clinical Neuropsychologist in Mather, CA

Active since December 18, 2008PECOS Enrolled
10535 HOSPITAL WAY, MATHER, CA 95655(707) 888-3179 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James R Sisung Ii Psyd NPPES

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

JAMES R SISUNG II PSYD (NPI 1790921963) is an individual clinical neuropsychologist in Mather, California, licensed in Maine (PS1271) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790921963
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameJAMES R SISUNG IICredential: PSYD
Location Address10535 HOSPITAL WAYMather, CA 95655-4200
Mailing Address1014 Vanilla Bean LnSacramento, CA 95814-0981 · (707) 888-3179
Phone(707) 888-3179
Sole ProprietorNo
Enumeration DateDecember 18, 2008
Last NPPES UpdateApril 20, 2026
NPPES CertifiedApril 20, 2026
✔ NPI 1790921963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in ME · PS1271
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
10535 HOSPITAL WAY, Mather, CA 95655
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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)

James R Sisung Ii Psyd 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.

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.

ALAYNA HUYNH NGUYEN
Pharmacist
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 843-7000
MS. JANE CHAN RPH
Pharmacist
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 366-5321
DR. PATRICIA L. DALTON M.D.
Specialist
10535 HOSPITAL WAY, DEPT. OF VA SACRAMENTO MEDICAL CENTER
MATHER, CA 95655
Sacramento County (916) 843-7000
SHIN SHAN CHO
Dietitian, Registered
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 843-9022
BRENDA JACKSON LMFT
Marriage & Family Therapist
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 843-2918
JEFFREY JON METER MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 843-7324
DR. DAVID SIEGEL M.D.
Internal Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (916) 843-7096
ERICKA RAMIREZ-SOLIS PH.D.
Psychologist (Clinical)
10535 HOSPITAL WAY
MATHER, CA 95655
Sacramento County (800) 382-8387

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 James Sisung's NPI number?

The NPI number for James Sisung is 1790921963. It was assigned to this individual provider in the NPPES registry on December 18, 2008.

Where is James Sisung located?

James Sisung practices at 10535 Hospital Way, Mather, CA 95655. The listed phone number is (707) 888-3179.

What is James Sisung's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is James Sisung enrolled in Medicare?

Yes. James Sisung is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Sisung was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.