ARZHANG FALLAHI M.D.
NPI 1679734800
Internal Medicine - Interventional Cardiology in Stamford, CT

Q: What is Arzhang Fallahi's NPI number?

The NPI number for Arzhang Fallahi is 1679734800. It was assigned to this individual provider in the NPPES registry on June 20, 2008.

Q: What is Arzhang Fallahi'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 Arzhang Fallahi was last updated on May 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 June 20, 2008PECOS EnrolledAccepts Medicare Assignment

79.07/100

CMS Quality Rating

29 HOSPITAL PLZ, SUITE 502, STAMFORD, CT 06902(203) 348-7410(203) 961-8488 Get Directions Write a Review

NPPES record last updated: May 10, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Arzhang Fallahi M.d. NPPES

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

ARZHANG FALLAHI M.D. (NPI 1679734800) is an individual interventional cardiology provider in Stamford, Connecticut, licensed in Connecticut (55507) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2008).

NPPES Registry Identity

NPI1679734800

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameARZHANG FALLAHICredential: M.D.

Location Address29 HOSPITAL PLZ, SUITE 502Stamford, CT 06902-3602

Mailing Address29 Hospital Plz, Suite 502Stamford, CT 06902-3602 · (203) 348-7410 · Fax (203) 961-8488

Phone(203) 348-7410

Fax(203) 961-8488

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2008

Enumeration DateJune 20, 2008

Last NPPES UpdateMay 10, 2017

✔ NPI 1679734800 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 CT · 55507

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.

29 HOSPITAL PLZ, Stamford, CT 06902

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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

Arzhang Fallahi 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 ID244526549

PECOS Enrollment IDI20160913001995

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 Arzhang Fallahi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stamford Health Medical Group Inc

2.8 mi

General Practice

ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907

Reassigned Medicare billing, Connecticut enrollment
496 clinicians in this Medicare group

NPI 1154633980 (203) 276-7447

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 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.

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.

363 services297 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.

154 services108 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.

118 services113 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.

108 services62 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.

85 services79 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.

83 services83 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.

75 services43 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.

73 services71 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.

54 services54 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.

48 services48 patients

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

42 services41 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

41 services41 patients

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

27 services27 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.

24 services23 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

17 services17 patients

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06902 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

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.

79.07/100

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

Scored as part of a group practice

Quality

73.19

Promoting Interoperability

Improvement Activities

Cost

57.89

Other Providers at the Same Location NPPES 2

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

DR. OFER MENACHEM WELLISCH M.D.

Anesthesiology (Pain Medicine)

29 HOSPITAL PLZ, SUITE 602
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-2451

CATHERINE ASHTON

Nurse Practitioner (Acute Care)

29 HOSPITAL PLZ, SUITE 501
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-2321

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 Arzhang Fallahi's NPI number?

The NPI number for Arzhang Fallahi is 1679734800. It was assigned to this individual provider in the NPPES registry on June 20, 2008.

Where is Arzhang Fallahi located?

Arzhang Fallahi practices at 29 Hospital Plz Suite 502, Stamford, CT 06902. The listed phone number is (203) 348-7410.

What is Arzhang Fallahi's specialty?

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

Is Arzhang Fallahi enrolled in Medicare?

Yes. Arzhang Fallahi 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 organization bills Medicare for Arzhang Fallahi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arzhang Fallahi reassigns Medicare benefits to Stamford Health Medical Group Inc (Stamford, CT). 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 Arzhang Fallahi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Arzhang Fallahi was last updated on May 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.