DR. NAOMI D CHOU MD
NPI 1518487628
Internal Medicine - Gastroenterology in Issaquah, WA
About Dr. Naomi D Chou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NAOMI D CHOU MD (NPI 1518487628) is an individual gastroenterology provider in Issaquah, Washington, licensed in Washington (MD61052834) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Duke University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Naomi D Chou 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 Naomi Chou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1437202249 (Washington)
- 291 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 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 6
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.
Swedish Medical Center
Acute Care Hospitals · Seattle, WASwedish Issaquah
Acute Care Hospitals · Issaquah, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ISSAQUAH, WA 98029
ISSAQUAH, WA 98029
ISSAQUAH, WA 98029
ISSAQUAH, WA 98029
ISSAQUAH, WA 98029
ISSAQUAH, WA 98029
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 Naomi Chou's NPI number?
The NPI number for Naomi Chou is 1518487628. It was assigned to this individual provider in the NPPES registry on June 21, 2017.
Where is Naomi Chou located?
Naomi Chou practices at 751 NE Blakely Dr Ste 3020, Issaquah, WA 98029. The listed phone number is (425) 313-5345.
What is Naomi Chou's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Naomi Chou enrolled in Medicare?
Yes. Naomi Chou 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 Naomi Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Naomi Chou reassigns Medicare benefits to 2 organizations: Pacmed Clinics (Renton, WA) and Swedish Health Services (Seattle, WA). 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 Naomi Chou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Naomi Chou accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Naomi Chou 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 Naomi Chou affiliated with any hospitals?
According to CMS data, Naomi Chou is affiliated with Swedish Medical Center and Swedish Issaquah.
When was this NPI record last updated?
The NPPES record for Naomi Chou was last updated on October 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Naomi D Chou, MD · NPI 1518487628
Gastroenterology physician in Issaquah, Washington. Individual provider, active in the CMS NPPES registry since June 21, 2017.
## Identity
- **NPI:** 1518487628 (Entity type: Individual)
- **Enumerated:** June 21, 2017
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD61052834 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 751 NE BLAKELY DR STE 3020, Issaquah, WA 98029-6201
- **Phone:** (425) 313-5345 · **Fax:** (425) 313-4704
## 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): Pacmed Clinics (NPI 1720023641, Renton, WA); Swedish Health Services (NPI 1689612954, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** October 5, 2023
- **Other identifiers:** Medicaid 2159224 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1518487628) · Data from the CMS NPPES public registry.