SIAMAC YAZDCHI MD
NPI 1457746018
Internal Medicine - Cardiovascular Disease in Chandler, AZ

Q: What is Siamac Yazdchi's NPI number?

The NPI number for Siamac Yazdchi is 1457746018. It was assigned to this individual provider in the NPPES registry on March 31, 2015.

Q: What is Siamac Yazdchi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Siamac Yazdchi was last updated on October 4, 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 31, 2015PECOS EnrolledAccepts Medicare Assignment

88.44/100

CMS Quality Rating

1125 S ALMA SCHOOL RD STE 310, CHANDLER, AZ 85286(480) 733-7305(480) 733-7306 Get Directions Write a Review

NPPES record last updated: October 4, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 4, 2024, May 4, 2020 (2 updates tracked since 2020).

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About Siamac Yazdchi Md NPPES

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

SIAMAC YAZDCHI MD (NPI 1457746018) is an individual cardiovascular disease provider in Chandler, Arizona, licensed in Arizona (57012) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Mesa, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1457746018

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameSIAMAC YAZDCHICredential: MD

Location Address1125 S ALMA SCHOOL RD STE 310Chandler, AZ 85286-2812

Mailing Address1125 S Alma School Rd Ste 310Chandler, AZ 85286-2812 · (480) 733-7305 · Fax (480) 733-7305

Phone(480) 733-7305

Fax(480) 733-7306

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateMarch 31, 2015

Last NPPES UpdateOctober 4, 20242 updates tracked since enumeration

NPPES CertifiedOctober 4, 2024

✔ NPI 1457746018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in AZ · 57012

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.

1125 S ALMA SCHOOL RD STE 310, Chandler, AZ 85286

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Secondary Practice Location 1

Location 16424 E Broadway Rd Ste 105Mesa, AZ 85206-1750 · Phone (480) 733-7350 · Fax (480) 896-3374

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc., UnitedHealthcare.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

Siamac Yazdchi Md 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 ID1759632946

PECOS Enrollment IDI20180927001319

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 Siamac Yazdchi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner - University Hospital Based Physicians LLC

18 mi

General Acute Care Hospital

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

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

NPI 1750751566 (602) 747-4000

Banner - University Physician Specialists LLC

18 mi

Multi-Specialty

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

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

NPI 1417312760 (602) 747-4000

Banner Physician Specialists Arizona LLC

18 mi

Multi-Specialty

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

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

NPI 1033730429 (602) 747-4000

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 8

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.

60 services43 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.

42 services42 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.

42 services31 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.

41 services39 patients

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

26 services26 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.

19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85286 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

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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.

88.44/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Cost

59.36

Referred Medical Equipment & Supplies CMS DME claims 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$62.04 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$32.99 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 6

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

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