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Home > CA Providers > Colorectal Surgeons

Dr. Siamak Milanchi, MD

Accepting New Patients

(5 Ratings)

Specializes in: Colon & Rectal Surgery

Tehran University of Medical Sciences

11100 Warner Avenue Suite 206
Fountain Valley, CA

(949) 429-0268

Dr. Siamak Milanchi, MD is a colon and rectal surgeon in Fountain Valley, CA specializing in colon & rectal surgery. He graduated from Tehran University of Medical Sciences. Dr. Siamak Milanchi, MD is affiliated with Hoag, MemorialCare, Irvine Colorectal Surgery and Siamak Milanchi, MD Inc.

Office Locations

11100 Warner Avenue Suite 206
Fountain Valley, CA

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16300 Sand Canyon Avenue Suite 604
Irvine, CA

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Siamak Milanchi, MD Inc

16300 Sand Canyon Avenue Suite 604
Irvine, CA 92618

(949) 429-0268

(949) 420-2180

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	51
gastrointestinal procedures	22
hospital care	70
inpatient care	70
minimally invasive procedures	22

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	84
gastrointestinal procedures	15
hospital care	39
inpatient care	39
minimally invasive procedures	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	36
Female	45

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2013

Hypertension	69
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	30
Asthma	15
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	36
Dementia	16
Cancer	25

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	86
gastrointestinal procedures	26
hospital care	39
inpatient care	39
minimally invasive procedures	26

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	40
Female	45

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	30
85 and over	15
Less than 65	11

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2014

Hypertension	73
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	41
Depression	27
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	15
Cancer	33

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	87

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	62
Female	78

**Ethnicity**
Non-Hispanic White	84
Black	0
Hispanic	0
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2015

Hypertension	66
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	46
Depression	30
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	29
Dementia	20
Cancer	29

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2016 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	119
gastrointestinal procedures	20
minimally invasive procedures	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	44
Female	52

**Ethnicity**
Non-Hispanic White	64
Black	0
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2016

Hypertension	65
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	20
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	40
Dementia	14
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2017 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	167
gastrointestinal procedures	28
minimally invasive procedures	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	59
Female	58

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	41
85 and over	18
Less than 65	16

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	42
Depression	30
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	15
Cancer	29

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2018 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	135
gastrointestinal procedures	20
minimally invasive procedures	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	50
Female	51

**Ethnicity**
Non-Hispanic White	58
Black	0
Hispanic	0
Asian	17
Other	14
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	32
85 and over	12
Less than 65	16

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2018

Hypertension	65
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2019 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	165
gastrointestinal procedures	41
minimally invasive procedures	41

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	67
Female	61

**Ethnicity**
Non-Hispanic White	69
Black	0
Hispanic	0
Asian	28
Other	19
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	28
85 and over	21
Less than 65	23

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2019

Hypertension	62
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	30
Depression	34
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	17
Cancer	27

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2020 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	128
gastrointestinal procedures	36
minimally invasive procedures	36

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	44
Female	37

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	0
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	17
85 and over	11
Less than 65	11

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2020

Hypertension	58
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	40
Dementia	0
Cancer	25

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

diagnostic procedures	12
doctor visit	182
gastrointestinal procedures	57
minimally invasive procedures	57
removal of lesion (e.g. growth)	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	56
Female	69

**Ethnicity**
Non-Hispanic White	74
Black	0
Hispanic	0
Asian	21
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	40
85 and over	21
Less than 65	13

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2021

Hypertension	63
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	18
Cancer	24

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA during 2022 were minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

doctor visit	188
gastrointestinal procedures	59
minimally invasive procedures	59

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	53
Female	69

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	13
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD in 2022

Hypertension	66
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	22
Depression	28
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	26
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	11
Cancer	30

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Siamak Milanchi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Siamak Milanchi, MD treated as a colon and rectal surgeon in Fountain Valley, CA were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

diagnostic procedures	12
doctor visit	126
gastrointestinal procedures	32
hospital care	49
inpatient care	49
minimally invasive procedures	32
removal of lesion (e.g. growth)	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Siamak Milanchi, MD.

**Gender**
Male	46
Female	51

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	17
Non-Hispanic White	58
Native American / Alaskan Native	0
Hispanic	1
Other	3

**Age**
75 to 84	31
85 and over	8
Less than 65	8
65 to 74	40

Average of Total of Conditions of Medicare patients treated by Dr. Siamak Milanchi, MD From 2012 - 2022

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

Hypertension	60
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	23
Asthma	4
Osteoporosis	15
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	31
Atrial Fibrillation	8
Dementia	12
Cancer	24

Education & Training

Dr. Siamak Milanchi, MD graduated from Tehran University of Medical Sciences. He completed residency at Cedars-Sinai Medical Center. He is certified by the American Board of Colon and Rectal Surgery - Colon and Rectal Surgery and has a state license in California.

Medical School: Tehran University of Medical Sciences

Residency: Cedars-Sinai Medical Center

Board Certification: American Board of Colon and Rectal Surgery - Colon and Rectal Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Siamak Milanchi, MD is associated with these hospitals and organizations:

Hoag

MemorialCare

Irvine Colorectal Surgery

Siamak Milanchi, MD Inc

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. Siamak Milanchi, MD appears to accept the following insurance providers: Cigna, Aetna, Anthem, Blue Shield, United Healthcare and Scan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Siamak Milanchi, MD accepts the following insurance providers:

Cigna

Aetna

Anthem

Blue Shield

United Healthcare

Scan

Ratings & Reviews

Dr. Siamak Milanchi, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Siamak Milanchi, MD from all over the web to help you find the right in Fountain Valley, CA.

4.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$4,803 Da Vinci Surgical System $4,803
Davol Inc.	$2,077 SURGICAL $2,077
LIFECELL CORPORATION	$193 STRATTICE $193
Ethicon Inc.	$87 STRATAFIX $87
CooperSurgical, Inc.	$54 Laparoscopic Instruments $54
Other	$71 Moviprep $24	NATURA $16	ThunderBeat $16	ENTRE $15

**Types of Payments**
Travel and Lodging	$4,398
Food and Beverage	$1,886
Education	$1,000

Biography

Dr. Siamak Milanchi specializes in colon & rectal surgery and practices in Irvine, CA and Fountain Valley, CA. Dr. Milanchi's average patient rating is 4.0 stars (out of 5). In his practice, he is particularly interested in colorectal surgery procedures. He is professionally affiliated with MemorialCare and Hoag. Blue Shield, Anthem, and Blue California appears to be the insurance carriers that Dr. Milanchi takes. According to Hoag, new patients are welcome to contact his office in Irvine, CA. After completing medical school at Tehran University of Medical Sciences, he performed his residency at Cedars-Sinai Medical Center. He has received the following distinction: Southern California Super Doctors. Dr. Milanchi is conversant in Persian.