DR. CASSIUS IYAD N OCHOA CHAAR M.D., M.S.
NPI 1669600698
Surgery - Vascular Surgery in New Haven, CT

Q: What is Cassius Iyad Ochoa Chaar's NPI number?

The NPI number for Cassius Iyad Ochoa Chaar is 1669600698. It was assigned to this individual provider in the NPPES registry on June 29, 2009.

Q: What is Cassius Iyad Ochoa Chaar's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Active since June 29, 2009PECOS EnrolledAccepts Medicare Assignment

73.56/100

CMS Quality Rating

330 CEDAR ST, NEW HAVEN, CT 06510(203) 676-5835 Get Directions Write a Review

NPPES record last updated: October 8, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Cassius Iyad N Ochoa Chaar M.d., M.s. NPPES

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

DR. CASSIUS IYAD N OCHOA CHAAR M.D., M.S. (NPI 1669600698) is an individual vascular surgery provider in New Haven, Connecticut, licensed in Connecticut (049872) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1669600698

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. CASSIUS IYAD N OCHOA CHAARCredential: M.D., M.S.

Location Address330 CEDAR STNew Haven, CT 06510-3218

Mailing Address67 Kendal CtGuilford, CT 06437-2078 · (203) 785-4582 · Fax (203) 785-7556

Phone(203) 676-5835

Sole ProprietorYes

Medical School CMSOtherGraduated 2002

Enumeration DateJune 29, 2009

Last NPPES UpdateOctober 8, 2014

✔ NPI 1669600698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in CT · 049872

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSpecialistTaxonomy 174400000X · License MT195605 (PA)

330 CEDAR ST, New Haven, CT 06510

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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. Cassius Iyad N Ochoa Chaar M.d., M.s. 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 ID1850560509

PECOS Enrollment IDI20110815000166

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 13

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, 20-29 minutes 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.

51 services44 patients

Established patient office or other outpatient visit, 30-39 minutes 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.

41 services35 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

28 services23 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

21 services21 patients

Established patient office or other outpatient visit, 40-54 minutes 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.

21 services18 patients

Initial hospital inpatient care per day, typically 70 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.

20 services20 patients

Review by radiologist of abdominal aorta and both leg arteries image 75630

This procedure involves a radiologist examining images of your abdominal aorta and leg arteries. These images help identify any abnormalities or blockages in the arteries, ensuring proper blood flow for optimal health.

13 services13 patients

Initial hospital inpatient care per day, typically 30 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.

13 services13 patients

New patient office or other outpatient visit, 45-59 minutes 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.

12 services12 patients

New patient office or other outpatient visit, 60-74 minutes 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.

12 services12 patients

Review by radiologist of additional artery image 75774

This procedure involves a radiologist examining an extra image of your artery. It's done to gain more insight into your vascular health. The radiologist will study the image to identify any abnormalities or issues that may need further medical attention.

11 services11 patients

Leg revascularization (restoring blood flow) NAN01

Leg revascularization is a procedure aimed at restoring proper blood flow to your legs. It's often needed when blood vessels in your legs are blocked or narrowed. The process may involve surgery or less invasive methods to remove or bypass blockages, helping to alleviate pain and prevent serious complications.

0 services33 patients

Varicose vein removal NAN08

Varicose vein removal is a procedure to eliminate enlarged and twisted veins, commonly found in legs. It's performed when these veins cause discomfort or skin problems. The procedure may involve laser treatment, sclerotherapy (injecting a solution to close the veins), or surgery to remove the veins. It's generally safe and helps to alleviate symptoms.

0 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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

$93.86 typical visit price

range $60.82 – $183.10

Typical copayment $23.46 (range $15.20 – $45.77)

Most-billed visit code 99203

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

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.

73.56/100

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

Scored as part of a group practice

Quality

75.84

Promoting Interoperability

Improvement Activities

Cost

51.43

Other Providers at the Same Location NPPES 20

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

DR. ETHAN MARIN MD PHD

Internal Medicine (Nephrology)

330 CEDAR ST, BB114
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-4185

DR. DIRK C. JOHNSON MD

Surgery

330 CEDAR ST, BB 310
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2572

MRS. DANA FORLANO APRN

Nurse Practitioner (Family)

330 CEDAR ST, BB 310
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4612

LAURA DAVIS

Surgery

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-5000

DANIEL VILLAVECES MD

Student in an Organized Health Care Education/Training Program

330 CEDAR ST, FMB107
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-7890

TRACY A STURROCK APRN

Nurse Practitioner (Family)

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 875-3098

DR. PRAMOD BONDE MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

330 CEDAR ST, BOADMAN 204
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-6122

DR. ERICA SARAH SPATZ M.D.

Internal Medicine (Cardiovascular Disease)

330 CEDAR ST, DANA 3 BUILDING
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-6484

MRS. HEATHER MARIE ZELL APRN, CPNP

Nurse Practitioner (Pediatrics)

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 737-2754

DR. VLADIMIR SHUMASTER M.D.

Student in an Organized Health Care Education/Training Program

330 CEDAR ST, BOARDMAN 204
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-5000

WIBKE KARIN SCHULTE M.D.

Student in an Organized Health Care Education/Training Program

330 CEDAR ST, YNHH, DEPARTMENT OF SURGERY
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-5479

DR. KATHLEEN O'NEILL MD

Student in an Organized Health Care Education/Training Program

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-5479

MS. KRISTIN DEANNE OLIVEIRA M.D.

Surgery (Surgical Critical Care)

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 737-5684

DR. JONATHAN ANDREW CARDELLA M.D., FRCS (C)

Surgery (Vascular Surgery)

330 CEDAR ST, VASCULAR SURGERY
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2561

MS. DANIELA HOCHREITER M.D.

Pediatrics

330 CEDAR ST, DPT PEDS, FACULTY AFFAIRS, LMP 4100
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 737-3763

MS. JOLANTA JUSTYNA GORECKA M.D.

Student in an Organized Health Care Education/Training Program

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-7890

SARAH ULLRICH M.D.

Student in an Organized Health Care Education/Training Program

330 CEDAR ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-7890

SAMEH YOUSEF

Student in an Organized Health Care Education/Training Program

330 CEDAR ST, 107
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-7890

DR. DANIEL G SOLOMON M.D.

Surgery (Pediatric Surgery)

330 CEDAR ST, FMB 131
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-7643

DR. JUSTIN D BLASBERG MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

330 CEDAR ST, BB205
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-4931

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 Cassius Iyad Ochoa Chaar's NPI number?

The NPI number for Cassius Iyad Ochoa Chaar is 1669600698. It was assigned to this individual provider in the NPPES registry on June 29, 2009.

Where is Cassius Iyad Ochoa Chaar located?

Cassius Iyad Ochoa Chaar practices at 330 Cedar St, New Haven, CT 06510. The listed phone number is (203) 676-5835.

What is Cassius Iyad Ochoa Chaar's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Cassius Iyad Ochoa Chaar enrolled in Medicare?

Yes. Cassius Iyad Ochoa Chaar 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.

When was this NPI record last updated?

The NPPES record for Cassius Iyad Ochoa Chaar was last updated on October 8, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.