HONG Y LUO MD
NPI 1629085527
Pathology - Anatomic Pathology & Clinical Pathology in Napa, CA
About Hong Y Luo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HONG Y LUO MD (NPI 1629085527) is an individual anatomic pathology & clinical pathology provider in Napa, California, licensed in California (A61057) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
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
Hong Y Luo 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
3Medicare enrollment records show Hong Luo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Eureka, CA 95501
- Reassigned Medicare billing, California enrollment
- 4 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 15
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94558 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.
Reported Quality Measures
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 Hong Luo's NPI number?
The NPI number for Hong Luo is 1629085527. It was assigned to this individual provider in the NPPES registry on August 2, 2006.
Where is Hong Luo located?
Hong Luo practices at 1000 Trancas St Ste H, Napa, CA 94558. The listed phone number is (707) 252-4411.
What is Hong Luo's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Hong Luo enrolled in Medicare?
Yes. Hong Luo 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 Hong Luo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hong Luo reassigns Medicare benefits to 3 organizations: Pacific Path Inc (Napa, CA), Marin Medical Laboratories (Sonoma, CA) and Rachel Donohue MD PC (Eureka, 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 Hong Luo'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 Hong Luo was last updated on July 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.