MICHAEL KAI-JIA LAM M.D.
NPI 1548200835
Ophthalmology - Retina Specialist in Houston, TX
About Michael Kai-jia Lam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL KAI-JIA LAM M.D. (NPI 1548200835) is an individual retina specialist in Houston, Texas, licensed in Texas (K6076) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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
Michael Kai-jia Lam M.d. 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 Michael Lam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77074
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 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 14
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77074 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77074
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 Michael Lam's NPI number?
The NPI number for Michael Lam is 1548200835. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Michael Lam located?
Michael Lam practices at 7789 Southwest Fwy Ste 530, Houston, TX 77074. The listed phone number is (281) 495-2222.
What is Michael Lam's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is Michael Lam enrolled in Medicare?
Yes. Michael Lam 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 Michael Lam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lam reassigns Medicare benefits to 2 organizations: Houston Retina Associates PA (Houston, TX) and Baylor College Of Medicine (Houston, 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 Michael Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Lam accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Michael Lam 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 Michael Lam affiliated with any hospitals?
According to CMS data, Michael Lam is affiliated with Houston Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Michael Lam was last updated on March 23, 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.