DR. DAVID GARY LEIMAN M.D.
NPI 1184925703
Anesthesiology - Pain Medicine in Houston, TX

Active since November 12, 2010PECOS Enrolled
2001 HERMANN DR, HOUSTON, TX 77004(713) 367-8548(281) 833-3323 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2026, Aug 23, 2021, Mar 1, 2017 and 2 more (5 updates tracked since 2015).

About Dr. David Gary Leiman M.d. NPPES

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

DR. DAVID GARY LEIMAN M.D. (NPI 1184925703) is an individual pain medicine provider in Houston, Texas, licensed in Texas (N7828) and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1184925703
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. DAVID GARY LEIMANCredential: M.D.
Location Address2001 HERMANN DRHouston, TX 77004-7643
Mailing AddressPo Box 1732Bellaire, TX 77402-1732 · (713) 367-8548 · Fax (281) 833-3323
Fax(281) 833-3323
Sole ProprietorYes
Enumeration DateNovember 12, 2010
Last NPPES UpdateMay 21, 20265 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1184925703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in TX · N7828
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedAnesthesiologyTaxonomy 207L00000X · License N7828 (TX)
2001 HERMANN DR, Houston, TX 77004

Secondary Practice Locations 2

Location 11355 W Gray St Ste 102Houston, TX 77019-4019 · Phone (713) 829-6021 · Fax (281) 833-3323
Location 21500 Citywest Blvd Ste 300Houston, TX 77042-2549 · Phone (713) 620-4000

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. David Gary Leiman M.d. 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

2

Medicare enrollment records show David Leiman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pain Medicine
2001 HERMANN DR
Houston, TX 77004
  • Reassigned Medicare billing, Texas enrollment
  • 19 clinicians in this Medicare group
Anesthesiology
333 N TEXAS AVE STE 1000
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 543 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.

Other Providers at the Same Location NPPES 9

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

General Acute Care Hospital
2001 HERMANN DR
HOUSTON, TX 77004
Anesthesiology (Pain Medicine)
2001 HERMANN DR
HOUSTON, TX 77004
Long Term Care Hospital
2001 HERMANN DR
HOUSTON, TX 77004
Anesthesiology (Pain Medicine)
2001 HERMANN DR
HOUSTON, TX 77004
General Acute Care Hospital
2001 HERMANN DR
HOUSTON, TX 77004
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
2001 HERMANN DR
HOUSTON, TX 77004
General Acute Care Hospital
2001 HERMANN DR, SUITE 100
HOUSTON, TX 77004
Long Term Care Hospital
2001 HERMANN DR
HOUSTON, TX 77004

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 David Leiman's NPI number?

The NPI number for David Leiman is 1184925703. It was assigned to this individual provider in the NPPES registry on November 12, 2010.

Where is David Leiman located?

David Leiman practices at 2001 Hermann Dr, Houston, TX 77004. The listed phone number is (713) 367-8548.

What is David Leiman's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is David Leiman enrolled in Medicare?

Yes. David Leiman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for David Leiman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Leiman reassigns Medicare benefits to 2 organizations: Aipm Of Houston, PLLC (Houston, TX) and Texans Anesthesia Associates PLLC (Webster, 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 David Leiman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Leiman accept?

Health plans from Blue Cross and Blue Shield of Texas list David Leiman 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 David Leiman was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.