MUSTAFA DHEYAULDEEN ALQAYSI M.D.
NPI 1790217537
Internal Medicine - Cardiovascular Disease in Cypress, TX

Active since March 30, 2017PECOS EnrolledAccepts Medicare Assignment
24518 NORTHWEST FWY STE 355, CYPRESS, TX 77429(832) 688-8400(832) 688-8430 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 13, 2026, Nov 17, 2025, May 20, 2025 and 4 more (7 updates tracked since 2017).

About Mustafa Dheyauldeen Alqaysi M.d. NPPES

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

MUSTAFA DHEYAULDEEN ALQAYSI M.D. (NPI 1790217537) is an individual cardiovascular disease provider in Cypress, Texas, licensed in Texas (S4591) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Kingwood, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790217537
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMUSTAFA DHEYAULDEEN ALQAYSICredential: M.D.
Location Address24518 NORTHWEST FWY STE 355Cypress, TX 77429-2358
Mailing AddressPo Box 3686Houston, TX 77253-3686 · (832) 688-8400 · Fax (832) 688-8430
Fax(832) 688-8430
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 30, 2017
Last NPPES UpdateFebruary 25, 20267 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2026
NPI 1790217537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in TX · S4591
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.

Also ListedInternal MedicineTaxonomy 207R00000X · License S4591 (TX)
Also ListedHospitalistTaxonomy 208M00000X · License S4591 (TX)
24518 NORTHWEST FWY STE 355, Cypress, TX 77429

Other Names 1

Former Name (1)Mustafa Dheyauldeen Alqaysi M.d.

Secondary Practice Locations 2

Location 116100 South FwyPearland, TX 77584-1895 · Phone (281) 929-6184
Location 221212 Northwest Fwy Ste 285Cypress, TX 77429-5883 · Phone (832) 688-8400 · Fax (832) 688-8430

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mustafa Dheyauldeen Alqaysi M.d. 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 ID5799054227
PECOS Enrollment IDI20200731000591
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.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
41 services20 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Hca Houston Healthcare Kingwood

Acute Care Hospitals · Kingwood, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450775
Location22999 Us Hwy 59Kingwood, TX 77325 · Harris County
Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77429 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 5

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

Internal Medicine (Gastroenterology)
24518 NORTHWEST FWY STE 355
CYPRESS, TX 77429
Internal Medicine (Cardiovascular Disease)
24518 NORTHWEST FWY STE 355
CYPRESS, TX 77429
Internal Medicine (Interventional Cardiology)
24518 NORTHWEST FWY STE 355
CYPRESS, TX 77429
Internal Medicine (Interventional Cardiology)
24518 NORTHWEST FWY STE 355
CYPRESS, TX 77429
Internal Medicine (Gastroenterology)
24518 NORTHWEST FWY STE 355
CYPRESS, TX 77429

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 Mustafa Alqaysi's NPI number?

The NPI number for Mustafa Alqaysi is 1790217537. It was assigned to this individual provider in the NPPES registry on March 30, 2017. The provider is also known as Mustafa Dheyauldeen Alqaysi M.D..

Where is Mustafa Alqaysi located?

Mustafa Alqaysi practices at 24518 Northwest Fwy Ste 355, Cypress, TX 77429. The listed phone number is (832) 688-8400.

What is Mustafa Alqaysi's specialty?

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

Is Mustafa Alqaysi enrolled in Medicare?

Yes. Mustafa Alqaysi 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.

What insurance does Mustafa Alqaysi accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Mustafa Alqaysi 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.

Is Mustafa Alqaysi affiliated with any hospitals?

According to CMS data, Mustafa Alqaysi is affiliated with Hca Houston Healthcare Kingwood and Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Mustafa Alqaysi was last updated on February 25, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.