Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AHMAD SAMIR AL-TAWEEL MD
NPI 1255775748
Internal Medicine - Cardiovascular Disease in Pasadena, TX

Q: What is Ahmad Al-taweel's NPI number?

The NPI number for Ahmad Al-taweel is 1255775748. It was assigned to this individual provider in the NPPES registry on April 26, 2013.

Q: What is Ahmad Al-taweel's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ahmad Al-taweel was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.

Active since April 26, 2013PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

5010 CRENSHAW RD STE 110, PASADENA, TX 77505(832) 399-0400(832) 399-0401 Get Directions Write a Review

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

Record update history: Oct 8, 2026, Jul 22, 2026, May 8, 2026 and 9 more (12 updates tracked since 2016).

On this page

About Ahmad Samir Al-taweel Md NPPES

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

AHMAD SAMIR AL-TAWEEL MD (NPI 1255775748) is an individual cardiovascular disease provider in Pasadena, Texas, licensed in Texas (R4802) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Southeast, and maintains 14 additional practice locations.

NPPES Registry Identity

NPI1255775748

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameAHMAD SAMIR AL-TAWEELCredential: MD

Location Address5010 CRENSHAW RD STE 110Pasadena, TX 77505-4614

Mailing AddressPo Box 58538Webster, TX 77598-8538 · (281) 338-4004 · Fax (281) 332-6524

Phone(832) 399-0400

Fax(832) 399-0401

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateApril 26, 2013

Last NPPES UpdateOctober 8, 202612 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1255775748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in TX · R4802

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 Medicine · Interventional CardiologyTaxonomy 207RI0011X · License R4802 (TX)

5010 CRENSHAW RD STE 110, Pasadena, TX 77505

Open in Google Maps ↗

Secondary Practice Locations 14

Location 1905 W Medical Center Blvd Ste 104Webster, TX 77598-4009 · Phone (346) 200-4612 · Fax (346) 200-3843

Location 2600 N Kobayashi Ste 110Webster, TX 77598-4841 · Phone (281) 338-1701

Location 3905 W Medical Center Blvd Ste 401Webster, TX 77598-4009 · Phone (346) 486-3344 · Fax (346) 200-3952

Location 410905 Memorial Hermann Dr Ste 130Pearland, TX 77584-3773 · Phone (346) 712-7020 · Fax (346) 207-0502

Location 5404 W Fairmont PkwyLA Porte, TX 77571-6308 · Phone (346) 201-6913

Location 6905 W Medical Center Blvd Ste 102Webster, TX 77598-4009 · Phone (346) 688-0043 · Fax (346) 610-9002

Location 7600 N Kobayashi Ste 309Webster, TX 77598-4841 · Phone (281) 724-8332 · Fax (281) 724-8332

Location 8780 Clear Lake City Blvd Bldg 2Webster, TX 77598-5500 · Phone (346) 201-6912

Location 92910 Province Village DrPearland, TX 77581 · Phone (346) 215-0185

Location 1010970 Shadow Creek Pkwy Ste 360Pearland, TX 77584-0123 · Phone (346) 215-0185

Location 11905 W Medical Center Blvd Ste 204Webster, TX 77598-4009 · Phone (346) 301-6900

Location 12500 N Kobayashi Ste CWebster, TX 77598-4722 · Phone (281) 816-3092 · Fax (281) 816-3092

Location 135010 Crenshaw Rd Ste 130Pasadena, TX 77505-4615 · Phone (832) 743-6922 · Fax (832) 761-9738

Location 14905 W Medical Center Blvd Ste 306Webster, TX 77598-4009 · Phone (281) 724-8332

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Ahmad Samir Al-taweel Md 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 ID8325303142

PECOS Enrollment IDI20180529001415

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

Medicare enrollment records show Ahmad Al-taweel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

David Hamer MD PA

7.0 mi

Cardiovascular Disease

530 ORCHARD ST
Webster, TX 77598

Reassigned Medicare billing, Texas enrollment
8 clinicians in this Medicare group

NPI 1275574139 (281) 338-4004

Cls Health PLLC

7.6 mi

Pulmonary Disease

500 N KOBAYASHI STE A
Webster, TX 77598

Reassigned Medicare billing, Texas enrollment
275 clinicians in this Medicare group

NPI 1750305355 (281) 724-1860

Hospitalist Medicine Physicians Of Texas, PLLC

25 mi

Internal Medicine

18951 N MEMORIAL DR
Humble, TX 77338

Reassigned Medicare billing, Texas enrollment
2,009 clinicians in this Medicare group

NPI 1629307095 (281) 540-7700

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

Areas of Expertise CMS Part B claims 30

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

852 services687 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

423 services163 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

264 services226 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

234 services110 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

182 services164 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

176 services44 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

163 services104 patients

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.

125 services51 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

68 services68 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

49 services19 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

49 services35 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

47 services47 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

37 services16 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

31 services31 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

27 services27 patients

Technetium tc-99m tetrofosmin, diagnostic, per study dose A9502

Technetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.

27 services27 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

26 services23 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

24 services18 patients

Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries A9555

Rubidium Rb-82 is a radioactive drug used in a PET scan to help visualize the heart. It helps detect areas with poor blood flow, aiding in diagnosing heart conditions. The dose is up to 60 millicuries per study.

23 services22 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 78431

This is a diagnostic test where a tiny amount of radioactive material is used to examine your heart's blood flow at rest & during stress, alongside a CT scan for detailed images. It helps identify any heart-related issues like blockages or damage.

22 services22 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

18 services16 patients

Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 92978

This procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.

17 services14 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

17 services17 patients

Nuclear medicine study of heart muscle blood flow by pet 78434

A nuclear medicine study of heart muscle blood flow by PET is a non-invasive test that uses a small amount of radioactive substance to create detailed images of your heart's blood flow and function. It helps assess heart health and diagnose heart conditions.

15 services15 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

15 services13 patients

Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 93224

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.

14 services14 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

14 services14 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

14 services14 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

14 services14 patients

Ultrasound of both sides of head and neck blood flow 93880

12 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Hca Houston Healthcare Southeast

Acute Care Hospitals · Pasadena, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450097

Location4000 Spencer HwyPasadena, TX 77504 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450617

Location500 W Medical Center BlvdWebster, TX 77598 · Harris County

Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450709

Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77505 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

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.

DAVID HAMER MD

Internal Medicine (Cardiovascular Disease)

5010 CRENSHAW RD STE 110
PASADENA, TX 77505

Harris County (832) 399-0400

CAROLINA ROCK

Nurse Practitioner (Family)

5010 CRENSHAW RD STE 110
PASADENA, TX 77505

Harris County (832) 520-2080

PHILOMINA IBE

Nurse Practitioner (Family)

5010 CRENSHAW RD STE 110
PASADENA, TX 77505

Harris County (832) 399-0400

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 Ahmad Al-taweel's NPI number?

The NPI number for Ahmad Al-taweel is 1255775748. It was assigned to this individual provider in the NPPES registry on April 26, 2013.

Where is Ahmad Al-taweel located?

Ahmad Al-taweel practices at 5010 Crenshaw Rd Ste 110, Pasadena, TX 77505. The listed phone number is (832) 399-0400.

What is Ahmad Al-taweel's specialty?

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

Is Ahmad Al-taweel enrolled in Medicare?

Yes. Ahmad Al-taweel 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 Ahmad Al-taweel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ahmad Al-taweel reassigns Medicare benefits to 3 organizations: David Hamer MD PA (Webster, TX), Cls Health PLLC (Webster, TX) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, 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 Ahmad Al-taweel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ahmad Al-taweel 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 5 other insurers list Ahmad Al-taweel 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 Ahmad Al-taweel affiliated with any hospitals?

According to CMS data, Ahmad Al-taweel is affiliated with Hca Houston Healthcare Southeast, Memorial Hermann Hospital System, Hca Houston Healthcare Clear Lake and Houston Methodist Clear Lake Hospital.

When was this NPI record last updated?

The NPPES record for Ahmad Al-taweel was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.