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DR. CHRISTOPHER MATHIAS GUNAWAN MD
NPI 1104355049
Pediatrics in Port Orchard, WA

Active since June 05, 2017PECOS Enrolled
1400 POTTERY AVE, PORT ORCHARD, WA 98366(360) 895-5000(877) 516-9023 Get Directions Write a Review

NPPES record last updated: October 18, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2020, Jun 5, 2017 (2 updates tracked since 2017).

About Dr. Christopher Mathias Gunawan Md NPPES

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

DR. CHRISTOPHER MATHIAS GUNAWAN MD (NPI 1104355049) is an individual pediatrics provider in Port Orchard, Washington, licensed in Washington (MD61537259) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1104355049
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CHRISTOPHER MATHIAS GUNAWANCredential: MD
Location Address1400 POTTERY AVEPort Orchard, WA 98366-3711
Mailing Address1400 Pottery AvePort Orchard, WA 98366-3768 · (360) 895-5000 · Fax (877) 516-9023
Phone(360) 895-5000
Fax(877) 516-9023
Sole ProprietorNo
Enumeration DateJune 5, 2017
Last NPPES UpdateOctober 18, 20242 updates tracked since enumeration
NPPES CertifiedOctober 18, 2024
✔ NPI 1104355049 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in WA · MD61537259✔ Licensed in CA · A157790
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1400 POTTERY AVE, Port Orchard, WA 98366
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11 Jarrett White RdTripler Army Medical Center, HI 96859-5001 · Phone (808) 433-6345
Location 236065 Santa Fe AveFort Hood, TX 76544-5060 · Phone (254) 553-1327 · Fax (254) 287-7690
Location 39040A Jackson AveJoint Base Lewis McChord, WA 98431-5060 · Phone (253) 968-0020 · Fax (253) 968-0384

Other Identifiers 1

OtherVAD000Medicare Upin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christopher Mathias Gunawan Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Gunawan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of Washington
16 mi
Multi-Specialty
320 WESTLAKE AVE. N., SUITE 100
Seattle, WA 98109
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1396810701 (206) 448-6561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98366 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
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 20

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

KAISER FOUNDATION HEALTH PLAN OF WASHINGTON
Clinic/Center (Multi-Specialty)
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
BARBARA T HEPFER ARNP
Nurse Practitioner (Family)
1400 POTTERY AVE, OC MED
PORT ORCHARD, WA 98366
Kitsap County (253) 895-5000
CHRISTINE AGBAYANI LOMOTAN M.D.
Family Medicine
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
DR. PHILIP NATHANAEL ISENBERG M.D.
Internal Medicine
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
MRS. REBECCA ABAGAIL HUNT M.S.
Counselor (Mental Health)
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
DR. GREGORY HOWARD CAIN MD
Pediatrics
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
RONALD C PURBAUGH
Pharmacist
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000
EMILY ASSAVAPISITKUL
Family Medicine
1400 POTTERY AVE
PORT ORCHARD, WA 98366
Kitsap County (360) 895-5000

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 Christopher Gunawan's NPI number?

The NPI number for Christopher Gunawan is 1104355049. It was assigned to this individual provider in the NPPES registry on June 5, 2017.

Where is Christopher Gunawan located?

Christopher Gunawan practices at 1400 Pottery Ave, Port Orchard, WA 98366. The listed phone number is (360) 895-5000.

What is Christopher Gunawan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Christopher Gunawan enrolled in Medicare?

Yes. Christopher Gunawan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christopher Gunawan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Gunawan reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Gunawan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Gunawan was last updated on October 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.