DR. GARRY W LAMBERT D.O.
NPI 1942303904
Internal Medicine - Critical Care Medicine in Houston, TX

Active since September 06, 2006PECOS Enrolled
1500 CITYWEST BLVD STE 300, HOUSTON, TX 77042(713) 620-4000 Get Directions Write a Review

NPPES record last updated: October 24, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 24, 2022, Mar 17, 2018 (2 updates tracked since 2018).

About Dr. Garry W Lambert D.o. NPPES

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

DR. GARRY W LAMBERT D.O. (NPI 1942303904) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (Q8539) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942303904
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. GARRY W LAMBERTCredential: D.O.
Location Address1500 CITYWEST BLVD STE 300Houston, TX 77042-2549
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000
Sole ProprietorNo
Enumeration DateSeptember 6, 2006
Last NPPES UpdateOctober 24, 20222 updates tracked since enumeration
NPPES CertifiedOctober 24, 2022
✔ NPI 1942303904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in TX · Q8539✔ Licensed in CO · 26884
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 26884 (CO), Q8539 (TX)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License Q8539 (TX), 26884 (CO)
1500 CITYWEST BLVD STE 300, Houston, TX 77042

Secondary Practice Locations 2

Location 11050 Wellington AveGrand Junction, CO 81501-8121 · Phone (970) 298-5864 · Fax (970) 298-5888
Location 2106 Vision Park BlvdShenandoah, TX 77384-3000 · Phone (713) 442-1800

Other Identifiers 2

Medicaid01268846CO
MedicaidT0689UT

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. Garry W Lambert D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Garry Lambert reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group
Hospitalist
1800 W 26TH ST
Houston, TX 77008
  • Reassigned Medicare billing, Texas enrollment
  • 121 clinicians in this Medicare group
Critical Care Medicine
2830 CALDER ST
Beaumont, TX 77702
  • Reassigned Medicare billing, Texas enrollment
  • 84 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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
104 services44 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77042 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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 20

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

Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Anesthesiologist Assistant
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042

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 Garry Lambert's NPI number?

The NPI number for Garry Lambert is 1942303904. It was assigned to this individual provider in the NPPES registry on September 6, 2006.

Where is Garry Lambert located?

Garry Lambert practices at 1500 Citywest Blvd Ste 300, Houston, TX 77042. The listed phone number is (713) 620-4000.

What is Garry Lambert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Garry Lambert enrolled in Medicare?

Yes. Garry Lambert is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Garry Lambert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garry Lambert reassigns Medicare benefits to 3 organizations: Kelsey-Seybold Medical Group, PLLC (Houston, TX), Knd Development 59 LLC (Houston, TX) and Southeast Texas Intensivists, PLLC (Beaumont, 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 Garry Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Garry Lambert accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Garry Lambert 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 Garry Lambert was last updated on October 24, 2022. 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.