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Home > WA Providers > Family Physicians & Family Medicine Specialists

Dr. Siyavash Mohandessi, MD

Accepting New Patients

(Siyavash Mohandessi MD)

(1 Rating)

Specializes in: Physician and Family Medicine

University of Washington School of Medicine (2004)

700 Ne 87th Avenue Suite 120
Vancouver, WA 98664

(360) 882-2778

Dr. Siyavash Mohandessi, MD is a physician provider in Vancouver, WA specializing in physician and family medicine. He graduated from University of Washington School of Medicine in 2004 and has 22 years of experience. Dr. Siyavash Mohandessi, MD is affiliated with Legacy Salmon Creek Medical Center, Legacy Health, Vancouver Clinic and THE VANCOUVER CLINIC INC PS.

Office Locations

2525 NE 139th Street
Vancouver, WA 98686

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700 Ne 87th Avenue Suite 120
Vancouver, WA 98664

(360) 882-2778

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Noteworthy Medicare Patient Procedures Performed by Dr. Siyavash Mohandessi, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

cancer prevention

cancer screening

cholesterol screening

creatinine test

creatinine urine test

lipid profile

prostate screening

screening PSA test

In 2024, Dr. Siyavash Mohandessi, MD had a list price for cancer prevention, cancer screening, cholesterol screening, creatinine test, creatinine urine test, lipid profile, prostate screening, and screening PSA test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Washington. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Volume:

preventive care

In 2024, Dr. Siyavash Mohandessi, MD performed more preventive care procedures for Medicare patients than 90% of providers in related specialties within Washington.

Top 25%

By Volume:

A1C test

blood draw

blood tests

phlebotomy for lab tests

screening PSA test

By Affordability:

albumin test

metabolic panel

microalbumin test

microalbumin urine test

In 2012, among providers in related specialties within Washington, Dr. Siyavash Mohandessi, MD performed more A1C test, blood draw, blood tests, phlebotomy for lab tests, and screening PSA test procedures for Medicare patients than 75% of them and he also had a list price for albumin test, metabolic panel, microalbumin test, and microalbumin urine test that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2012 were blood draw and lab tests.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	70
doctor visit	157
lab tests	30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2013 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	93
diabetes management	13
doctor visit	196
lab tests	101
preventive care	33
thyroid function tests	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	54
Female	48

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	14
85 and over	15
Less than 65	34

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2013

Hypertension	61
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	25
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	25
Diabetes	29
Dementia	11
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2014 were blood draw, lab tests, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	123
diabetes management	17
doctor visit	224
lab tests	112
preventive care	53
thyroid function tests	30
vaccines	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	66
Female	52

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	18
85 and over	16
Less than 65	44

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2014

Hypertension	49
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	21
Depression	25
Chronic Kidney Disease	18
Asthma	15
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2015 were blood draw, lab tests, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	142
diabetes management	21
doctor visit	172
lab tests	140
preventive care	42
thyroid function tests	27

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	110
Female	120

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	26
85 and over	22
Less than 65	86

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2015

Hypertension	50
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	19
Depression	24
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2016 were lab tests, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	150
diabetes management	21
doctor visit	198
lab tests	216
preventive care	75
thyroid function tests	20
vaccines	31

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	55
Female	58

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	0
85 and over	0
Less than 65	30

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2016

Hypertension	46
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2017 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	84
diabetes management	35
doctor visit	186
lab tests	158
preventive care	98
thyroid function tests	21
vaccines	31

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	64
Female	52

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	13
85 and over	12
Less than 65	34

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2017

Hypertension	44
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2018 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	133
diabetes management	35
doctor visit	202
lab tests	184
preventive care	92
thyroid function tests	34
vaccines	16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	70
Female	52

**Ethnicity**
Non-Hispanic White	103
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	0
85 and over	0
Less than 65	36

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2018

Hypertension	44
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2019 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	164
diabetes management	36
doctor visit	212
lab tests	194
preventive care	133
thyroid function tests	24
vaccines	31

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	79
Female	51

**Ethnicity**
Non-Hispanic White	114
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	17
85 and over	11
Less than 65	28

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2019

Hypertension	48
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	20
Depression	15
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2020 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	164
diabetes management	47
doctor visit	220
lab tests	280
preventive care	134
thyroid function tests	30
vaccines	30

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	92
Female	51

**Ethnicity**
Non-Hispanic White	123
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	0
85 and over	0
Less than 65	24

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2020

Hypertension	48
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2021 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	175
diabetes management	53
doctor visit	235
lab tests	315
preventive care	133
thyroid function tests	29
vaccines	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	163
Female	118

**Ethnicity**
Non-Hispanic White	243
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	64
85 and over	23
Less than 65	38

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2021

Hypertension	39
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	16
Depression	12
Chronic Kidney Disease	14
Asthma	4
Osteoperosis	0
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Dementia	4
Cancer	5

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2022 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	180
diabetes management	43
doctor visit	176
lab tests	310
preventive care	166
thyroid function tests	33
vaccines	35

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	87
Female	58

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	29
85 and over	11
Less than 65	16

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2022

Hypertension	68
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	12
Asthma	9
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2023 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	180
diabetes management	49
doctor visit	177
lab tests	342
preventive care	173
thyroid function tests	29
vaccines	21

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	83
Female	50

**Ethnicity**
Non-Hispanic White	119
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	24
85 and over	11
Less than 65	13

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2023

Hypertension	68
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA during 2024 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

blood draw	178
diabetes management	63
doctor visit	146
lab tests	360
preventive care	165
thyroid function tests	26
vaccines	22

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	76
Female	44

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD in 2024

Hypertension	67
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	21
Depression	18
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Siyavash Mohandessi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Siyavash Mohandessi, MD treated as a physician provider in Vancouver, WA were lab tests, blood draw, preventive care and diabetes management.

blood draw	141
diabetes management	36
doctor visit	192
lab tests	210
preventive care	108
thyroid function tests	27
vaccines	24

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Siyavash Mohandessi, MD.

**Gender**
Male	76
Female	58

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	114
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	17
85 and over	9
Less than 65	29
65 to 74	71

Average of Total of Conditions of Medicare patients treated by Dr. Siyavash Mohandessi, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Siyavash Mohandessi, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	48
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	16
Asthma	5
Osteoporosis	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	4
Diabetes	25
Atrial Fibrillation	7
Cancer	3
Dementia	1

Education & Training

Dr. Siyavash Mohandessi, MD graduated from University of Washington School of Medicine in 2004. He is certified by the Family Medicine, Board-certified and has a state license in Washington.

Medical School: University of Washington School of Medicine (2004)

Board Certification: Family Medicine, Board-certified

Licensed In: Washington

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Siyavash Mohandessi, MD appears to accept the following insurance providers: First Choice Health Network, MultiPlan, CCN, UnitedHealthcare AARP Medicare Advantage 2, Aetna, Tricare, Humana Choice PPO, Coventry, Cigna, UnitedHealthcare AARP Medicare Advantage 1, Providence Preferred, First Health, PHCS, HealthNet, Molina Marketplace, Three Rivers Provider Network, BlueAdvantage HMO, MedAdvantage PPO, Eyemed, Tapani Employee Benefits, Regence Valiance PPO, PacificSource PPO, Walgreens HMO, Regence Access, Regence PPP, Regence PPO, Regence Valiance HMO, Vision Service Plan, Lifewise Health Plan of Washington, Premera Blue Cross of Washington, PacificSource MyCare HMO, MODA and HealthCare Direct.

Insurance Accepted by Provider includes:

According to our sources, Dr. Siyavash Mohandessi, MD accepts the following insurance providers:

First Choice Health Network

MultiPlan

CCN

UnitedHealthcare AARP Medicare Advantage 2

Aetna

Tricare

Humana Choice PPO

Coventry

Cigna

UnitedHealthcare AARP Medicare Advantage 1

Providence Preferred

First Health

PHCS

HealthNet

Molina Marketplace

Three Rivers Provider Network

BlueAdvantage HMO

MedAdvantage PPO

Eyemed

Tapani Employee Benefits

Regence Valiance PPO

PacificSource PPO

Walgreens HMO

Regence Access

Regence PPP

Regence PPO

Regence Valiance HMO

Vision Service Plan

Lifewise Health Plan of Washington

Premera Blue Cross of Washington

PacificSource MyCare HMO

MODA

HealthCare Direct

Ratings & Reviews

Dr. Siyavash Mohandessi, MD has an average of 1.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Siyavash Mohandessi, MD from all over the web to help you find the right in Vancouver, WA.

Overall Rating

(1 Rating)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2018-03-30

THE worst Doctor I have ever been too, rude, no help with any of my concerns. He should not be practicing medicine, should be somewhere where he has no public contact.
I work in the medical field and I know a thing or to about patient care, this "doctor" does not!!

General Payments

These charts describe general payments received by Dr. Siyavash Mohandessi, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Organon LLC	$29 NEXPLANON $29
SANOFI-AVENTIS U.S. LLC	$21 LANTUS $21
FOREST PHARMACEUTICALS, INC.	$17 VIIBRYD $17
Pfizer Inc.	$16 CHANTIX $16

**Types of Payments**
Food and Beverage	$83

Biography

Dr. Mohandessi values patient education, evidence-based medicine, and a close collaboration with patients in medical decision making. He enjoys caring for patients of all ages.