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MUZAMIL AHMED KHAWAJA
NPI 1023570876
Internal Medicine - Cardiovascular Disease in Spring, TX

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
26424 STRAKE DR, SPRING, TX 77389(936) 270-5500(936) 270-5505 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 12, 2025, Sep 9, 2025, Apr 2, 2019 (3 updates tracked since 2019).

About Muzamil Ahmed Khawaja NPPES

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

MUZAMIL AHMED KHAWAJA (NPI 1023570876) is an individual cardiovascular disease provider in Spring, Texas, licensed in Texas (S9328) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and maintains a secondary practice location in The Woodlands.

NPPES Registry Identity

NPI1023570876
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMUZAMIL AHMED KHAWAJA
Location Address26424 STRAKE DRSpring, TX 77389-1916
Mailing Address10710 Flamingo Feather CtCypress, TX 77433-8624 · (601) 613-6632
Phone(936) 270-5500
Fax(936) 270-5505
Sole ProprietorYes
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2019
Enumeration DateApril 2, 2019
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1023570876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · S9328
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
26424 STRAKE DR, Spring, TX 77389
Open in Google Maps ↗

Secondary Practice Location 1

Location 117201 I 45 SThe Woodlands, TX 77385-3311 · Phone (936) 270-2000

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Muzamil Ahmed Khawaja 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 ID6204223480
PECOS Enrollment IDI20250925002050
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 Muzamil Khawaja reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC
23 mi
Ophthalmology
6550 FANNIN ST, SUITE 447
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,407 clinicians in this Medicare group
NPI 1275779225 (713) 441-7389
Houston Methodist Specialty Physicians
24 mi
Otolaryngology
7550 GREENBRIAR DR STE 600
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 1,579 clinicians in this Medicare group
NPI 1902614332 (281) 414-6055

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

Hospital Affiliations CMS Care Compare 2

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670122
Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77389 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
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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 3

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

DR. XIAOLEI CHEN M.D.
Internal Medicine
26424 STRAKE DR
THE WOODLANDS, TX 77389
Harris County (936) 270-5500
ZARA MUSTAJAB SIDDIQUI D.O.
Family Medicine
26424 STRAKE DR
THE WOODLANDS, TX 77389
Harris County (936) 270-5500
KAYLA ANNE FILAN MCENERY MD
Family Medicine
26424 STRAKE DR
THE WOODLANDS, TX 77389
Harris County (936) 270-5500

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 Muzamil Khawaja's NPI number?

The NPI number for Muzamil Khawaja is 1023570876. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Muzamil Khawaja located?

Muzamil Khawaja practices at 26424 Strake Dr, Spring, TX 77389. The listed phone number is (936) 270-5500.

What is Muzamil Khawaja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Muzamil Khawaja enrolled in Medicare?

Yes. Muzamil Khawaja 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.

Which organizations bill Medicare for Muzamil Khawaja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Muzamil Khawaja reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, 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 Muzamil Khawaja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Muzamil Khawaja affiliated with any hospitals?

According to CMS data, Muzamil Khawaja is affiliated with Houston Methodist Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Muzamil Khawaja was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.