TERRENCE C. WONG MD
NPI 1811047525
Internal Medicine - Interventional Cardiology in Oak Harbor, WA
About Terrence C. Wong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TERRENCE C. WONG MD (NPI 1811047525) is an individual interventional cardiology provider in Oak Harbor, Washington, licensed in Washington (MD70043939) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Island Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Terrence C. Wong Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Terrence Wong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Harbor, WA 98277
- Reassigned Medicare billing, Washington enrollment
- 142 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Island Hospital
Acute Care Hospitals · Anacortes, WAWhidbeyhealth Medical Center
Critical Access Hospitals · Coupeville, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98277 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAK HARBOR, WA 98277
OAK HARBOR, WA 98277
OAK HARBOR, WA 98277
OAK HARBOR, WA 98277
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 Terrence Wong's NPI number?
The NPI number for Terrence Wong is 1811047525. It was assigned to this individual provider in the NPPES registry on January 12, 2007.
Where is Terrence Wong located?
Terrence Wong practices at 275 SE Cabot Dr Ste B101, Oak Harbor, WA 98277. The listed phone number is (360) 246-4752.
What is Terrence Wong's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Terrence Wong enrolled in Medicare?
Yes. Terrence Wong 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.
Which organizations bill Medicare for Terrence Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terrence Wong reassigns Medicare benefits to 2 organizations: Whidbey Island Public Hospital District (Oak Harbor, WA) and Permanente Medical Group Inc (Vallejo, CA). Each 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 Terrence Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Terrence Wong accept?
Health plans from Ambetter Health and Premera Blue Cross Blue Shield of Alaska list Terrence Wong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Terrence Wong affiliated with any hospitals?
According to CMS data, Terrence Wong is affiliated with Island Hospital and Whidbeyhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Terrence Wong was last updated on June 2, 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.
# Terrence C. Wong, MD · NPI 1811047525
Interventional Cardiology physician in Oak Harbor, Washington. Individual provider, active in the CMS NPPES registry since January 12, 2007.
## Identity
- **NPI:** 1811047525 (Entity type: Individual)
- **Enumerated:** January 12, 2007
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** MD70043939 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 275 SE CABOT DR STE B101, Oak Harbor, WA 98277-3740
- **Phone:** (360) 246-4752 · **Fax:** (360) 240-8350
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Whidbey Island Public Hospital District (NPI 1184615627, Oak Harbor, WA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 1984
## Record status
- **NPPES last updated:** June 2, 2026
- **Other identifiers:** Medicaid 00G562750 (CA); Medicaid 2364359 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1811047525) · Data from the CMS NPPES public registry.