Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. NAWAR TAYYAN M.D.
NPI 1649258963
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since January 06, 2006PECOS EnrolledAccepts Medicare Assignment
46.18/100
CMS Quality Rating
11920 ASTORIA BLVD, SUITE 220, HOUSTON, TX 77089(281) 484-0900(281) 484-0904 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Nawar Tayyan M.d. NPPES

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

DR. NAWAR TAYYAN M.D. (NPI 1649258963) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (L2692) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1649258963
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. NAWAR TAYYANCredential: M.D.
Location Address11920 ASTORIA BLVD, SUITE 220Houston, TX 77089-6043
Mailing Address11920 Astoria Blvd, Suite 220Houston, TX 77089-6043 · (281) 484-0900 · Fax (281) 484-0904
Fax(281) 484-0904
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJanuary 6, 2006
Last NPPES UpdateJuly 8, 2026
NPPES CertifiedJuly 8, 2026
NPI 1649258963 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 · L2692
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 ListedSpecialistTaxonomy 174400000X · License L2692 (TX)
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License L2692 (TX)
11920 ASTORIA BLVD, Houston, TX 77089

Other Identifiers 2

Medicaid183628001TX
Other8V5320TX · Bcbstx

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

Dr. Nawar Tayyan 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 ID749278919
PECOS Enrollment IDI20040505000854
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 17

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.

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.
399 services228 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.
346 services222 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.
215 services214 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.
214 services211 patients
Ultrasound of leg arteries or artery grafts 93925
An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.
206 services202 patients
Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
157 services141 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77089 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.

46.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality50
Improvement Activities0
Cost77.17

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
45%356 patients1/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
3%352 patients1/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
100%250 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%273 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%268 patients5/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
74%352 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
9%352 patients1/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Psychiatry & Neurology (Neurology)
11920 ASTORIA BLVD, SUITE 290
HOUSTON, TX 77089
Internal Medicine (Gastroenterology)
11920 ASTORIA BLVD, STE 410
HOUSTON, TX 77089
Orthopaedic Surgery
11920 ASTORIA BLVD, SUITE 390
HOUSTON, TX 77089
Specialist
11920 ASTORIA BLVD, SUITE 290
HOUSTON, TX 77089
Long Term Care Hospital
11920 ASTORIA BLVD, SUITE 110
HOUSTON, TX 77089
Internal Medicine
11920 ASTORIA BLVD, SUITE 280
HOUSTON, TX 77089
Psychiatry & Neurology (Neurology)
11920 ASTORIA BLVD, SUITE 290
HOUSTON, TX 77089
Nurse Practitioner (Adult Health)
11920 ASTORIA BLVD, STE 400
HOUSTON, TX 77089

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 Nawar Tayyan's NPI number?

The NPI number for Nawar Tayyan is 1649258963. It was assigned to this individual provider in the NPPES registry on January 6, 2006.

Where is Nawar Tayyan located?

Nawar Tayyan practices at 11920 Astoria Blvd Suite 220, Houston, TX 77089. The listed phone number is (281) 484-0900.

What is Nawar Tayyan's specialty?

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

Is Nawar Tayyan enrolled in Medicare?

Yes. Nawar Tayyan 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 Nawar Tayyan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Nawar Tayyan 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 Nawar Tayyan affiliated with any hospitals?

According to CMS data, Nawar Tayyan is affiliated with Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for Nawar Tayyan was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.