1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Colon Rectal Surgery
  6. NPI Profile

NORTHWEST COLON & RECTAL SURGERY, P.A.
NPI 1740200203
Colon & Rectal Surgery in Houston, TX

Active since July 20, 2006
1125 CYPRESS STATION DR STE G-3, HOUSTON, TX 77090(281) 583-1300(832) 516-6184 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 20, 2025, May 8, 2023, Aug 22, 2020 (3 updates tracked since 2020).

About Northwest Colon & Rectal Surgery, P.a. NPPES

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

NORTHWEST COLON & RECTAL SURGERY, P.A. (NPI 1740200203) is a healthcare organization registered as a colon & rectal surgery in Houston, Texas and active in the NPI registry since July 2006. The organization lists Khawaja Azimuddin, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1740200203
Entity TypeOrganization
Primary Taxonomy208C00000X
Legal Business NameNORTHWEST COLON & RECTAL SURGERY, P.A.
Location Address1125 CYPRESS STATION DR STE G-3Houston, TX 77090-3055
Mailing AddressPo Box 540088Houston, TX 77254-0088 · (713) 850-1190 · Fax (832) 516-6184
Phone(281) 583-1300
Fax(832) 516-6184
Organization SubpartNo
Authorized OfficialKhawaja AzimuddinMedical Director · (281) 583-1300
Enumeration DateJuly 20, 2006
Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1740200203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in TX · M1012
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
1125 CYPRESS STATION DR STE G-3, Houston, TX 77090
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northwest Colon & Rectal Surgery, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Northwest Colon & Rectal Surgery, P.A., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Khawaja Azimuddin, M.D.
Colorectal Surgery (Proctology)
NPI 1811946478
1125 CYPRESS STATION DR SUITE G3
Houston, TX 77090
(281) 583-1300
✔ PECOS✔ Accepts MedicareSame address
Jean Knapps, M.D.
Colorectal Surgery (Proctology)
NPI 1851559728
1125 CYPRESS STATION DR STE G-3
Houston, TX 77090
(815) 831-3002
✔ PECOS✔ Accepts MedicareSame address
Tal Raphaeli, MD
Colorectal Surgery (Proctology)
NPI 1609910009
1125 CYPRESS STATION DR STE G-3
Houston, TX 77090
(281) 583-1300
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Northwest Colon & Rectal Surgery, P.A.'s NPI number?

The NPI number for Northwest Colon & Rectal Surgery, P.A. is 1740200203. It was assigned to this organization in the NPPES registry on July 20, 2006.

Where is Northwest Colon & Rectal Surgery, P.A. located?

Northwest Colon & Rectal Surgery, P.A. is located at 1125 Cypress Station Dr Ste G-3, Houston, TX 77090. The listed phone number is (281) 583-1300.

What is Northwest Colon & Rectal Surgery, P.A.'s specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Northwest Colon & Rectal Surgery, P.A. enrolled in Medicare?

Yes. Northwest Colon & Rectal Surgery, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Northwest Colon & Rectal Surgery, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Colorectal Surgery (Proctology), reassign their Medicare billing to Northwest Colon & Rectal Surgery, P.A.. A 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 the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Northwest Colon & Rectal Surgery, P.A. accept?

Health plans from WellPoint list Northwest Colon & Rectal Surgery, P.A. 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 Northwest Colon & Rectal Surgery, P.A. was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.