NADIM NASIR JR. M.D.
NPI 1952364788
Internal Medicine - Clinical Cardiac Electrophysiology in Houston, TX

Q: What is Nadim Nasir's NPI number?

The NPI number for Nadim Nasir is 1952364788. It was assigned to this individual provider in the NPPES registry on April 11, 2006.

Q: What is Nadim Nasir's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Nadim Nasir was last updated on January 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 11, 2006PECOS Enrolled

45.6/100

CMS Quality Rating

13300 HARGRAVE RD, SUITE 500, HOUSTON, TX 77070(281) 890-4848(281) 890-4885 Get Directions Write a Review

NPPES record last updated: January 6, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Nadim Nasir Jr. M.d. NPPES

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

NADIM NASIR JR. M.D. (NPI 1952364788) is an individual clinical cardiac electrophysiology provider in Houston, Texas, licensed in Texas (207RC0001X) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952364788

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameNADIM NASIR JR.Credential: M.D.

Location Address13300 HARGRAVE RD, SUITE 500Houston, TX 77070-4373

Mailing Address6560 Fannin St, Suite 620Houston, TX 77030-2725 · (713) 791-1978 · Fax (713) 791-1870

Phone(281) 890-4848

Fax(281) 890-4885

Sole ProprietorNo

Enumeration DateApril 11, 2006

Last NPPES UpdateJanuary 6, 2012

✔ NPI 1952364788 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

Licenses✔ Licensed in TX · 207RC0001X✔ Licensed in TX · H2637

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

13300 HARGRAVE RD, Houston, TX 77070

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Other Identifiers 4

Medicaid127749307TX

OtherH2637TX · License

Medicare PIN8728B6TX

Medicare UPINC19785TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nadim Nasir Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Nadim Nasir reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hcva ASC LLC

19 mi

Ambulatory Surgical

5115 FANNIN ST STE 103
Houston, TX 77004

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

NPI 1477234979 (713) 937-8160

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 39

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.

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

1,090 services156 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.

1,034 services635 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.

1,009 services344 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.

744 services253 patients

Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012

A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.

518 services273 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

511 services75 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.

440 services336 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.

372 services92 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

317 services181 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

270 services96 patients

Programming of cardiac rhythm monitor system 93285

Programming of a cardiac rhythm monitor system involves setting up a device to track your heart's activity. This helps identify irregular heartbeats or rhythms. The data collected assists your healthcare team in making accurate treatment decisions.

244 services134 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.

219 services215 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.

117 services62 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.

115 services111 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

85 services70 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.

83 services77 patients

Programming of multiple lead implantable defibrillator system 93284

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

79 services54 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.

72 services72 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

71 services69 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

67 services67 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.

62 services61 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.

62 services61 patients

Programming of dual lead implantable defibrillator system 93283

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

49 services27 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.

43 services24 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

43 services36 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.

35 services35 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.

35 services35 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.

30 services30 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

26 services26 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

25 services25 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

25 services23 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

22 services22 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

21 services14 patients

Programming of multiple lead pacemaker system 93281

Programming of a multiple lead pacemaker system involves adjusting settings on your pacemaker device to optimize its function. This device uses electrical impulses to regulate your heart's rhythm. The procedure ensures it's working effectively for your specific needs.

20 services14 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.

20 services20 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.

19 services19 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

19 services14 patients

Insertion of heart rhythm monitor under skin 33285

14 services14 patients

Removal and replacement of dual lead permanent pacemaker 33228

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

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.

45.6/100

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

Individually scored

Quality

85.19

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

66%562 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

92%2,740 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

99%1,148 patients4/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

30%1,250 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 97% · 1,081 patients

Patients screened: 97% · 1,081 patients

97%34 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 1,191 patients

Patients totalRate: 1% · 1,191 patients

1%1,191 patients4/55-star benchmark: 100%

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 17

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

BONNIE BEAM PTA

Physical Therapy Assistant

13300 HARGRAVE RD, SUITE 400
HOUSTON, TX 77070

Harris County (281) 955-7577

WILLOWBROOK MRI

Clinic/Center (Magnetic Resonance Imaging (MRI))

13300 HARGRAVE RD, SUITE 110
HOUSTON, TX 77070

Harris County (281) 955-7577

DR. MASROOR RAHMANI M.D.

Hospitalist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 737-0587

WILLOWBROOK CARDIOVASCULAR ASSOCIATES, P.A.

Internal Medicine (Cardiovascular Disease)

13300 HARGRAVE RD, STE 500
HOUSTON, TX 77070

Harris County (281) 890-4848

MISS BRITTNEY NICHELLE RICHARD ACNP

Nurse Practitioner (Acute Care)

13300 HARGRAVE RD, SUITE 500
HOUSTON, TX 77070

Harris County (281) 890-4848

NORTH EAST REHAB CENTER WILLOWBROOK

Physical Therapist

13300 HARGRAVE RD, SUITE 490
HOUSTON, TX 77070

Harris County (281) 646-1935

DR. MARTINA SHARI QUIVERS P.T., D.P.T

Physical Therapist

13300 HARGRAVE RD
HOUSTON, TX 77070

Harris County (281) 955-0512

AMY NAQUIN-CHAPPEL MD

Psychiatry & Neurology (Neurology)

13300 HARGRAVE RD, SUITE 505
HOUSTON, TX 77070

Harris County (281) 737-1167

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 Nadim Nasir's NPI number?

The NPI number for Nadim Nasir is 1952364788. It was assigned to this individual provider in the NPPES registry on April 11, 2006.

Where is Nadim Nasir located?

Nadim Nasir practices at 13300 Hargrave Rd Suite 500, Houston, TX 77070. The listed phone number is (281) 890-4848.

What is Nadim Nasir's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Nadim Nasir enrolled in Medicare?

Yes. Nadim Nasir is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nadim Nasir's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadim Nasir reassigns Medicare benefits to Hcva ASC LLC (Houston, TX). The 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 Nadim Nasir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadim Nasir accept?

Health plans from Blue Cross and Blue Shield of Texas list Nadim Nasir 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 Nadim Nasir was last updated on January 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.