HALLENE HENGYI GUO MD
NPI 1073073425
Family Medicine in Seattle, WA
About Hallene Hengyi Guo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HALLENE HENGYI GUO MD (NPI 1073073425) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD61179243) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
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
Hallene Hengyi Guo 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 Reassignment
Medicare enrollment records show Hallene Guo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98112 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Hallene Guo's NPI number?
The NPI number for Hallene Guo is 1073073425. It was assigned to this individual provider in the NPPES registry on March 21, 2019.
Where is Hallene Guo located?
Hallene Guo practices at 125 16th Ave E # Csb545, Seattle, WA 98112. The listed phone number is (206) 326-3000.
What is Hallene Guo's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Hallene Guo enrolled in Medicare?
Yes. Hallene Guo 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 organization bills Medicare for Hallene Guo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hallene Guo 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 Hallene Guo'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 Hallene Guo was last updated on October 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Hallene Hengyi Guo, MD · NPI 1073073425
Family Medicine physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 21, 2019.
## Identity
- **NPI:** 1073073425 (Entity type: Individual)
- **Enumerated:** March 21, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD61179243 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 125 16TH AVE E # CSB545, Seattle, WA 98112-5211
- **Phone:** (206) 326-3000 · **Fax:** (206) 326-2785
## 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:** Kaiser Foundation Health Plan Of Washington (NPI 1396810701, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** October 12, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1073073425) · Data from the CMS NPPES public registry.