DR. NADIM MICHELL ZACCA M.D.
NPI 1114019346
Specialist in Houston, TX

Q: What is Nadim Zacca's NPI number?

The NPI number for Nadim Zacca is 1114019346. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Q: What is Nadim Zacca's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Nadim Zacca was last updated on January 3, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 September 28, 2006PECOS EnrolledAccepts Medicare Assignment

81.16/100

CMS Quality Rating

6550 FANNIN ST STE 2229, HOUSTON, TX 77030(713) 795-4059(713) 795-5732 Get Directions Write a Review

NPPES record last updated: January 3, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Nadim Michell Zacca M.d. NPPES

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

DR. NADIM MICHELL ZACCA M.D. (NPI 1114019346) is an individual specialist in Houston, Texas, licensed in Texas (F5420) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Baylor College Of Medicine (1979).

NPPES Registry Identity

NPI1114019346

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. NADIM MICHELL ZACCACredential: M.D.

Location Address6550 FANNIN ST STE 2229Houston, TX 77030-2709

Mailing Address6550 Fannin St Ste 2229Houston, TX 77030-2709 · (713) 795-4059 · Fax (713) 795-5732

Phone(713) 795-4059

Fax(713) 795-5732

Sole ProprietorYes

Medical School CMSBaylor College Of MedicineGraduated 1979

Enumeration DateSeptember 28, 2006

Last NPPES UpdateJanuary 3, 2008

✔ NPI 1114019346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in TX · F5420

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

6550 FANNIN ST STE 2229, Houston, TX 77030

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Other Identifiers 3

Medicaid115444502TX

Medicare UPINB27757

Medicare PIN00LA14TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Community Health Choice, WellPoint.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. Nadim Michell Zacca 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 ID9830221571

PECOS Enrollment IDI20100716000063

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 16

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.

Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) J0153

An adenosine injection is a quick-acting medication used to manage irregular heart rhythms. It works by slowing down the electrical activity in your heart, allowing it to return to its regular rhythm. This procedure is safe and typically performed under medical supervision.

1,980 services33 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.

640 services132 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.

220 services151 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.

145 services35 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.

133 services126 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.

131 services125 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.

116 services112 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.

108 services102 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.

97 services73 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.

86 services86 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.

84 services51 patients

Nuclear medicine study of heart muscle at rest and with stress and spect 78451

A nuclear medicine study of the heart muscle, both at rest and under stress, along with SPECT, helps assess heart health. A safe radioactive substance is injected, which the heart absorbs. Then, a special camera captures images of the heart. This procedure can detect heart disease or other issues.

73 services72 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.

55 services43 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.

42 services41 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.

22 services22 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.

17 services17 patients

Hospital Affiliations CMS Care Compare

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

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.

81.16/100

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

Individually scored

Quality

52.32

Improvement Activities

Reported Quality Measures

Controlling High Blood Pressure

36%190 patients2/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%1,092 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

45%184 patients2/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

21%738 patients1/55-star benchmark: 98%

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

14%581 patients1/55-star benchmark: 61%

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

Patients screened: 45% · 102 patients

43%102 patients

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 194 patients

Patients totalRate: 1% · 194 patients

1%194 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier18 claims18 services$910.39 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

NADIM M ZACCA MD PA

Specialist

6550 FANNIN ST STE 2229
HOUSTON, TX 77030

Harris County (713) 795-4059

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 Zacca's NPI number?

The NPI number for Nadim Zacca is 1114019346. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Nadim Zacca located?

Nadim Zacca practices at 6550 Fannin St Ste 2229, Houston, TX 77030. The listed phone number is (713) 795-4059.

What is Nadim Zacca's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Nadim Zacca enrolled in Medicare?

Yes. Nadim Zacca 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 Nadim Zacca accept?

Health plans from Community Health Choice and WellPoint list Nadim Zacca 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 Nadim Zacca affiliated with any hospitals?

According to CMS data, Nadim Zacca is affiliated with Houston Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Nadim Zacca was last updated on January 3, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.