BRIAN LAM MD
NPI 1649899881
Internal Medicine - Rheumatology in Katy, TX

Active since April 08, 2020PECOS EnrolledAccepts Medicare Assignment
23920 KATY FWY STE 440, KATY, TX 77494(346) 257-4299(210) 664-3942 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jul 21, 2026, Apr 8, 2020 (2 updates tracked since 2020).

About Brian Lam Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN LAM MD (NPI 1649899881) is an individual rheumatology provider in Katy, Texas, licensed in Texas (V8312) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Katy Hospital, and maintains a secondary practice location in Richmond.

NPPES Registry Identity

NPI1649899881
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameBRIAN LAMCredential: MD
Location Address23920 KATY FWY STE 440Katy, TX 77494-0881
Mailing Address23920 Katy Fwy Ste 440Katy, TX 77494-0881 · (346) 257-4299 · Fax (210) 664-3942
Fax(210) 664-3942
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2020
Enumeration DateApril 8, 2020
Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1649899881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in TX · V8312
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
23920 KATY FWY STE 440, Katy, TX 77494

Secondary Practice Location 1

Location 118901 West Airport Blvd Suite 600Richmond, TX 77406 · Phone (346) 257-4299 · Fax (210) 664-3942

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Brian Lam 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.

PECOS PAC ID8729576988
PECOS Enrollment IDI20251021002643
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450847
Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77494 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
23920 KATY FWY STE 440
KATY, TX 77494
Obstetrics & Gynecology
23920 KATY FWY STE 440
KATY, TX 77494
Physician Assistant
23920 KATY FWY STE 440
KATY, TX 77494
Internal Medicine (Rheumatology)
23920 KATY FWY STE 440
KATY, TX 77494
Internal Medicine (Rheumatology)
23920 KATY FWY STE 440
KATY, TX 77494
Nurse Practitioner (Family)
23920 KATY FWY STE 440
KATY, TX 77494
Internal Medicine (Rheumatology)
23920 KATY FWY STE 440
KATY, TX 77494
Internal Medicine
23920 KATY FWY STE 440
KATY, TX 77494

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 Brian Lam's NPI number?

The NPI number for Brian Lam is 1649899881. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Brian Lam located?

Brian Lam practices at 23920 Katy Fwy Ste 440, Katy, TX 77494. The listed phone number is (346) 257-4299.

What is Brian Lam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Brian Lam enrolled in Medicare?

Yes. Brian 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.

Is Brian Lam affiliated with any hospitals?

According to CMS data, Brian Lam is affiliated with Memorial Hermann Katy Hospital.

When was this NPI record last updated?

The NPPES record for Brian Lam was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.