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DR. ANDREW THOMAS SULLIVAN MD
NPI 1245921691
General Practice in Houston, TX

Active since May 17, 2023PECOS Enrolled
6431 FANNIN STREET, MSB 1.134, HOUSTON, TX 77030(713) 500-6526 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2026, May 17, 2023 (2 updates tracked since 2023).

About Dr. Andrew Thomas Sullivan Md NPPES

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

DR. ANDREW THOMAS SULLIVAN MD (NPI 1245921691) is an individual general practice provider in Houston, Texas, licensed in Texas (W3054) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1245921691
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. ANDREW THOMAS SULLIVANCredential: MD
Location Address6431 FANNIN STREET, MSB 1.134Houston, TX 77030
Mailing Address6431 Fannin Street, Msb 1.134Houston, TX 77030 · (713) 500-6700 · Fax (713) 500-6700
Phone(713) 500-6526
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 17, 2023
Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
✔ NPI 1245921691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in TX · W3054
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
6431 FANNIN STREET, MSB 1.134, Houston, TX 77030
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Thomas Sullivan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719451103
PECOS Enrollment IDI20260707003131
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 Reassignment

Medicare enrollment records show Andrew Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ut Physicians
0.1 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325

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 20

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

LUAN HAI PHAN
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6500
SCOTT PATRICK MAYO MD
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (512) 689-3250
DR. NITISH MITTAL MD
Specialist/Technologist (Athletic Trainer)
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6526
KEVIN GEORGE
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6500
ANDREW TRAN
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6526
MARISSA NICOLAS-CAGIGAL
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6526
ABRAHAM LEE
Hospitalist
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6526
RAWAN ELAKSHER
Student in an Organized Health Care Education/Training Program
6431 FANNIN STREET, MSB 1.134
HOUSTON, TX 77030
Harris County (713) 500-6526

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 Andrew Sullivan's NPI number?

The NPI number for Andrew Sullivan is 1245921691. It was assigned to this individual provider in the NPPES registry on May 17, 2023.

Where is Andrew Sullivan located?

Andrew Sullivan practices at 6431 Fannin Street, Msb 1.134, Houston, TX 77030. The listed phone number is (713) 500-6526.

What is Andrew Sullivan's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Andrew Sullivan enrolled in Medicare?

Yes. Andrew Sullivan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Sullivan reassigns Medicare benefits to Ut Physicians (Houston, TX). The 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 Andrew Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Sullivan was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.