DR. KOUSHIK NAG DO
NPI 1699892059
Internal Medicine - Interventional Cardiology in Avondale, AZ

Q: What is Koushik Nag's NPI number?

The NPI number for Koushik Nag is 1699892059. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Q: What is Koushik Nag's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Koushik Nag was last updated on August 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 March 23, 2007PECOS EnrolledAccepts Medicare Assignment

10815 W MCDOWELL RD, SUITE 202, AVONDALE, AZ 85392(623) 433-0202(623) 433-0204 Get Directions Write a Review

NPPES record last updated: August 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2024, Apr 29, 2019 (2 updates tracked since 2019).

On this page

About Dr. Koushik Nag Do NPPES

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

DR. KOUSHIK NAG DO (NPI 1699892059) is an individual interventional cardiology provider in Avondale, Arizona, licensed in Arizona (005149) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Osteopathic Medicine (2002).

NPPES Registry Identity

NPI1699892059

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. KOUSHIK NAGCredential: DO

Location Address10815 W MCDOWELL RD, SUITE 202Avondale, AZ 85392-5007

Mailing Address3815 E Bell Rd Ste 4500Phoenix, AZ 85032-2171 · (602) 633-3848 · Fax (602) 633-3841

Phone(623) 433-0202

Fax(623) 433-0204

Sole ProprietorNo

Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2002

Enumeration DateMarch 23, 2007

Last NPPES UpdateAugust 5, 20242 updates tracked since enumeration

NPPES CertifiedAugust 5, 2024

✔ NPI 1699892059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in AZ · 005149

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

10815 W MCDOWELL RD, Avondale, AZ 85392

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Other Identifiers 1

Medicaid441542AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona 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

Dr. Koushik Nag Do 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 ID4981759107

PECOS Enrollment IDI20090911000045

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 Koushik Nag reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospital Development Of West Phoenix Inc

3.5 mi

Cardiovascular Disease

13677 W MCDOWELL RD
Goodyear, AZ 85395

Reassigned Medicare billing, Arizona enrollment
22 clinicians in this Medicare group

NPI 1013100692 (623) 882-1500

Sjhmc Physician Services

12 mi

Multi-Specialty

350 W THOMAS RD
Phoenix, AZ 85013

Reassigned Medicare billing, Arizona enrollment
773 clinicians in this Medicare group

NPI 1326098005 (602) 406-3729

St. Joseph's Hospital And Medical Center

12 mi

Emergency Care

350 W THOMAS RD
Phoenix, AZ 85013

Reassigned Medicare billing, Arizona enrollment
126 clinicians in this Medicare group

NPI 1255382412 (602) 406-3000

Privia Medical Group Arizona, LLC

21 mi

Family Medicine

3815 E BELL RD STE 4500
Phoenix, AZ 85032

Reassigned Medicare billing, Arizona enrollment
99 clinicians in this Medicare group

NPI 1760441141 (602) 633-3838

Summit Healthcare Medical Associates

120 mi

Rural Health

2352 QUARTER HORSE TRAIL
Overgaard, AZ 85933

Reassigned Medicare billing, Arizona enrollment
99 clinicians in this Medicare group

NPI 1770700767 (928) 535-3616

Summit Healthcare Association

140 mi

Rural

2200 E SHOW LOW LAKE RD
Show Low, AZ 85901

Reassigned Medicare billing, Arizona enrollment
104 clinicians in this Medicare group

NPI 1144209271 (928) 537-4375

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 28

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.

1,375 services567 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.

532 services519 patients

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.

482 services390 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.

282 services256 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.

188 services185 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.

117 services114 patients

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

115 services115 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.

103 services102 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.

102 services91 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.

93 services92 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.

74 services74 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.

73 services48 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

64 services21 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.

44 services30 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

36 services14 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.

32 services32 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.

30 services29 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.

28 services19 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.

28 services23 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

28 services28 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

25 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.

22 services22 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.

19 services16 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.

15 services13 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.

13 services13 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

12 services11 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

12 services12 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85392 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

Reported Quality Measures

Breast Cancer Screening

Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer

1%566 patients1/55-star benchmark: 92%

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

7%1,172 patients1/55-star benchmark: 85%

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

86%449 patients4/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

90%3,924 patients4/55-star benchmark: 100%

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.

95%3,532 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

90%569 patients4/55-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.

8%1,976 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

22%959 patients1/55-star benchmark: 90%

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…

22%1,994 patients1/55-star benchmark: 97%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

14%1,633 patients1/55-star benchmark: 88%

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…

91%1,976 patients4/55-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…

4%1,976 patients1/55-star benchmark: 59%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

Percentage of the following patients - all considered at high risk of cardiovascular events - who were prescribed or were on statin therapy during the measurement period: - Adults aged >= 21 years who were previously diagnosed with or currently have an active…

75%1,266 patients4/55-star benchmark: 89%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 1% · 959 patients

4%959 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 19

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

LISA M POORMON P.T.

Physical Medicine & Rehabilitation

10815 W MCDOWELL RD
AVONDALE, AZ 85392

Maricopa County (623) 433-0199

LUNA MEDICAL SERVICES LLC

Anesthesiology

10815 W MCDOWELL RD
AVONDALE, AZ 85392

Maricopa County (209) 956-7732

DR. STEVEN RUSH SUMPTER DO

Family Medicine

10815 W MCDOWELL RD, 201
AVONDALE, AZ 85392

Maricopa County (602) 433-0155

ARUN S. PATIL M.D.

Internal Medicine (Cardiovascular Disease)

10815 W MCDOWELL RD, SUITE 202
AVONDALE, AZ 85392

Maricopa County (623) 433-0202

RIYAZ A SUMAR MD

Internal Medicine (Cardiovascular Disease)

10815 W MCDOWELL RD, SUITE 202
AVONDALE, AZ 85392

Maricopa County (623) 433-0202

ADHAR SETH MD

Internal Medicine (Cardiovascular Disease)

10815 W MCDOWELL RD, SUITE 202
AVONDALE, AZ 85392

Maricopa County (623) 433-0202

PAINCARE HEALTH INSTITUTE LLC

Clinic/Center (Ambulatory Surgical)

10815 W MCDOWELL RD, STE 304
AVONDALE, AZ 85392

Maricopa County (623) 433-0199

ARIZONA COLLEGE OF ORTHOPEDIC SURGEONS, PLLC

Orthopaedic Surgery

10815 W MCDOWELL RD, SUITE 303
AVONDALE, AZ 85392

Maricopa County (602) 424-0935

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 Koushik Nag's NPI number?

The NPI number for Koushik Nag is 1699892059. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Koushik Nag located?

Koushik Nag practices at 10815 W Mcdowell Rd Suite 202, Avondale, AZ 85392. The listed phone number is (623) 433-0202.

What is Koushik Nag's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Koushik Nag enrolled in Medicare?

Yes. Koushik Nag 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 Koushik Nag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Koushik Nag reassigns Medicare benefits to 6 organizations: Hospital Development Of West Phoenix Inc (Goodyear, AZ), Sjhmc Physician Services (Phoenix, AZ), St. Joseph's Hospital And Medical Center (Phoenix, AZ), Privia Medical Group Arizona, LLC (Phoenix, AZ), Summit Healthcare Medical Associates (Overgaard, AZ) and 1 more organization, listed in the Medicare section above. 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 Koushik Nag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Koushik Nag accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Koushik Nag 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 Koushik Nag was last updated on August 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.