XIAOYAN HUANG MD
NPI 1346232857
Internal Medicine - Cardiovascular Disease in Portland, OR
About Xiaoyan Huang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XIAOYAN HUANG MD (NPI 1346232857) is an individual cardiovascular disease provider in Portland, Oregon, licensed in Oregon (MD20120) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Portland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Xiaoyan Huang 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
8Medicare enrollment records show Xiaoyan Huang reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97213
- Reassigned Medicare billing, Washington enrollment
- 77 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 clinicians in this Medicare group
Milwaukie, OR 97222
- Reassigned Medicare billing, Oregon enrollment
- 229 clinicians in this Medicare group
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 753 clinicians in this Medicare group
Oregon City, OR 97045
- Reassigned Medicare billing, Oregon enrollment
- 206 clinicians in this Medicare group
Newberg, OR 97132
- Reassigned Medicare billing, Oregon enrollment
- 198 clinicians in this Medicare group
Mt Hood, OR 97041
- Reassigned Medicare billing, Oregon enrollment
- Medicare enrollment name: Providence Health & Services Oregon
- Also billed through NPI 1255429338 (Oregon)
- 267 clinicians in this Medicare group
Cannon Beach, OR 97110
- Reassigned Medicare billing, Oregon enrollment
- 301 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 21
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORProvidence Willamette Falls Medical Center
Acute Care Hospitals · Oregon City, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, ORProvidence Milwaukie Hospital
Acute Care Hospitals · Milwaukie, ORProvidence Hood River Memorial Hospital
Critical Access Hospitals · Hood River, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97213 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97213
PORTLAND, OR 97213
PORTLAND, OR 97213
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 Xiaoyan Huang's NPI number?
The NPI number for Xiaoyan Huang is 1346232857. It was assigned to this individual provider in the NPPES registry on August 19, 2005.
Where is Xiaoyan Huang located?
Xiaoyan Huang practices at 4400 NE Halsey St Ste 102, Portland, OR 97213. The listed phone number is (503) 962-1000.
What is Xiaoyan Huang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Xiaoyan Huang enrolled in Medicare?
Yes. Xiaoyan Huang 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 Xiaoyan Huang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xiaoyan Huang reassigns Medicare benefits to 8 organizations: Providence Health & Services Oregon (Portland, OR), Providence Health & Services - Oregon (Portland, OR), Providence Health & Services Oregon (Milwaukie, OR), Providence Health & Services - Oregon (Portland, OR), Providence Health & Services - Oregon (Oregon City, OR) and 3 more organizations, listed in the Medicare section above. 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 Xiaoyan Huang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xiaoyan Huang accept?
Health plans from Providence Health Plan list Xiaoyan Huang 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 Xiaoyan Huang affiliated with any hospitals?
According to CMS data, Xiaoyan Huang is affiliated with Providence St Vincent Medical Center, Providence Willamette Falls Medical Center, Providence Portland Medical Center, Providence Milwaukie Hospital and Providence Hood River Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Xiaoyan Huang was last updated on June 20, 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.
# Xiaoyan Huang, MD · NPI 1346232857
Cardiovascular Disease physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 19, 2005.
## Identity
- **NPI:** 1346232857 (Entity type: Individual)
- **Enumerated:** August 19, 2005
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD20120 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 4400 NE HALSEY ST STE 102, Portland, OR 97213-1545
- **Phone:** (503) 962-1000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services Oregon (NPI 1164623401, Portland, OR); Providence Health & Services - Oregon (NPI 1003991845, Portland, OR); Providence Health & Services Oregon (NPI 1366536963, Milwaukie, OR); Providence Health & Services - Oregon (NPI 1235259532, Portland, OR); Providence Health & Services - Oregon (NPI 1003368911, Oregon City, OR); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** June 20, 2023
- **Other identifiers:** Medicaid 130197 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1346232857) · Data from the CMS NPPES public registry.