DR. MAY CHI LAU MD
NPI 1881708915
Pediatrics - Adolescent Medicine in Portland, OR
About Dr. May Chi Lau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAY CHI LAU MD (NPI 1881708915) is an individual adolescent medicine provider in Portland, Oregon, licensed in Oregon (MD226655) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Dallas.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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 (PECOS)
Dr. May Chi Lau Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show May Lau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
El Paso, TX 79902
- Reassigned Medicare billing, Texas enrollment
- 5,299 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.
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 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 May Lau's NPI number?
The NPI number for May Lau is 1881708915. It was assigned to this individual provider in the NPPES registry on August 18, 2006.
Where is May Lau located?
May Lau practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 418-5700.
What is May Lau's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.
Is May Lau enrolled in Medicare?
Yes. May Lau is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for May Lau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May Lau reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and University Of Texas Southwestern Medical Center At Dallas (El Paso, TX). 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 May Lau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does May Lau accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list May Lau 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.
When was this NPI record last updated?
The NPPES record for May Lau was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. May Chi Lau, MD · NPI 1881708915
Adolescent Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 18, 2006.
## Identity
- **NPI:** 1881708915 (Entity type: Individual)
- **Enumerated:** August 18, 2006
- **Primary specialty:** Pediatrics - Adolescent Medicine · taxonomy 2080A0000X
- **State license:** MD226655 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 418-5700 · **Fax:** (503) 418-5704
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): University Professional Services (NPI 1376709535, Portland, OR); University Of Texas Southwestern Medical Center At Dallas (NPI 1235384199, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1881708915) · Data from the CMS NPPES public registry.