SIAMAK BARKHORDARIAN M.D.
NPI 1760564702
Surgery - Vascular Surgery in Los Angeles, CA

Q: What is the provider's specialty?

The provider's specialty is Surgery with taxonomy code 2086S0129X and a focus in Vascular Surgery.

Active since October 19, 2006PECOS Enrolled

33.73/100

CMS Quality Rating

8631 W 3RD ST STE 540E, LOS ANGELES, CA 90048(310) 880-3933(310) 693-2480 Get Directions Write a Review

NPPES record last updated: September 4, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Siamak Barkhordarian M.d. NPPES

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

SIAMAK BARKHORDARIAN M.D. (NPI 1760564702) is an individual vascular surgery provider in Los Angeles, California, licensed in California (A94148) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1760564702

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameSIAMAK BARKHORDARIANCredential: M.D.

Location Address8631 W 3RD ST STE 540ELos Angeles, CA 90048-5909

Mailing AddressPo Box 24218Los Angeles, CA 90024-0218 · (310) 880-3933 · Fax (310) 693-2480

Phone(310) 880-3933

Fax(310) 693-2480

Sole ProprietorYes

Medical School CMSOtherGraduated 1995

Enumeration DateOctober 19, 2006

Last NPPES UpdateSeptember 4, 2014

✔ NPI 1760564702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in CA · A94148

Definition

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

8631 W 3RD ST STE 540E, Los Angeles, CA 90048

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Other Identifiers 1

Medicare UPINH84048RI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Siamak Barkhordarian M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820198468

PECOS Enrollment IDI20070711000440

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 33

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.

Initial hospital inpatient care per day, typically 50 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.

319 services258 patients

Follow-up hospital inpatient care per day, typically 25 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.

247 services132 patients

Established patient office or other outpatient visit, 10-19 minutes 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

154 services112 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.

153 services132 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

117 services90 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.

110 services81 patients

Balloon dilation of dialysis segment with review by radiologist 36907

Balloon dilation of a dialysis segment is a procedure where a tiny balloon is inserted and inflated in a narrowed area of your dialysis access site, improving blood flow. A radiologist reviews images to ensure success.

84 services60 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

74 services65 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

74 services63 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.

73 services58 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

70 services58 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

66 services60 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

62 services58 patients

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.

61 services52 patients

Follow-up hospital inpatient care per day, typically 15 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

61 services43 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.

58 services58 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

52 services42 patients

Removal of plaque in artery of leg, initial vessel 37229

This procedure involves removing plaque from the initial vessel in your leg. Plaque, a build-up of fat, cholesterol, and other substances, can block blood flow. The removal process, known as an angioplasty, restores healthy blood circulation in your leg.

46 services37 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.

43 services35 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

40 services35 patients

Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube 36905

This procedure involves eliminating a blood clot in your hemodialysis circuit, ensuring smooth blood flow. A balloon tube is used to widen the dialysis segment if needed. Images are taken and reviewed by a radiologist to confirm successful completion.

35 services28 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

32 services28 patients

Creation of artery-vein connection using tube graft for hemodialysis 36830

This procedure involves connecting an artery to a vein using a tube graft. It's typically done for hemodialysis, a treatment for kidney disease. The connection allows blood to flow from the artery into the graft, then into the vein, and back to your body.

25 services25 patients

Removal of plaque in artery of leg, each additional vessel 37233

This procedure involves eliminating plaque buildup in your leg arteries to improve blood flow. If more than one vessel is affected, each additional vessel will also be treated in the same session. This can help alleviate symptoms and prevent serious complications.

25 services18 patients

Relocation of arm vein with connection to arm artery for hemodialysis 36821

This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.

23 services23 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.

22 services21 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.

19 services19 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.

18 services17 patients

Insertion of needle and/or tube into hemodialysis circuit and insertion of stent in dialysis segment with review by radiologist 36903

This procedure involves placing a needle or tube into your hemodialysis circuit, a system used to clean your blood when kidneys are not working properly. A stent, a small tube, is then inserted into the dialysis segment to keep it open. A radiologist reviews the process to ensure accuracy.

15 services15 patients

Review by radiologist of both arms or legs arteries image 75716

This procedure involves a radiologist examining images of your arm or leg arteries. These images help identify any blockages or abnormalities in the blood vessels that could affect circulation. It's a vital step in diagnosing conditions related to blood flow.

14 services14 patients

Amputation of thigh through thigh bone 27590

Amputation of the thigh through the thigh bone is a surgical procedure performed to remove a portion of the thigh, usually due to disease or injury. The surgeon cuts through the thigh bone, removes the necessary part, and then shapes the remaining limb for a prosthesis.

13 services13 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch 36246

This procedure involves the placement of a tube into an artery in your abdomen, pelvis, or leg. The tube is inserted into a secondary branch of the main artery. This helps doctors access the artery to diagnose or treat certain conditions.

12 services12 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 services94 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

33.73/100

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

Individually scored

Quality

35.45

Improvement Activities

Cost

31.82

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections

Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…

100%116 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%35 patients

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 3

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

SOUTHERN CALIFORNIA SURGICAL ASSOCIATES PC

Surgery

8631 W 3RD ST STE 540E
LOS ANGELES, CA 90048

Los Angeles County (424) 999-5677

PROHEALTH PARTNERS A MEDICAL GROUP

Internal Medicine (Cardiovascular Disease)

8631 W 3RD ST STE 540E
LOS ANGELES, CA 90048

Los Angeles County (310) 424-5750

DAVID M FILSOOF MD INC

Internal Medicine (Cardiovascular Disease)

8631 W 3RD ST STE 540E
LOS ANGELES, CA 90048

Los Angeles County (310) 854-4995

SIAMAK BARKHORDARIAN M.D.
NPI 1760564702
Surgery - Vascular Surgery in Los Angeles, CA

About Siamak Barkhordarian M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 1

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 33

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Other Providers at the Same Location NPPES 3

Frequently Asked Questions

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