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Home > CA Providers > Internists & Internal Medicine Doctors

Dr. Sima Yaftali, MD

(3 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

3180 Willow Lane #200
Thousand Oaks, CA 91361

(805) 497-3239

Dr. Sima Yaftali, MD is an internist in Thousand Oaks, CA specializing in internal medicine (adult medicine). Dr. Sima Yaftali, MD is affiliated with CONEJO MEDICAL AND BREAST CARE CENTER A MEDICAL CORPORATION.

Office Locations

3180 Willow Lane #200
Thousand Oaks, CA 91361

(805) 497-3239

(805) 497-3110

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Noteworthy Medicare Patient Procedures Performed by Dr. Sima Yaftali, MD in 2023

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

Top 10%

By Volume:

lab tests

preventive care

urinalysis

In 2023, Dr. Sima Yaftali, MD performed more lab tests, preventive care, and urinalysis procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

A1C test

blood draw

flu shot

phlebotomy for lab tests

In 2013, Dr. Sima Yaftali, MD performed more A1C test, blood draw, flu shot, and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2013 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	362
breast procedures	81
diabetes management	45
doctor visit	614
lab tests	1144
musculoskeletal imaging	19
preventive care	385
thoracic (chest) imaging	63
vaccines	55
women's imaging	81
X-rays	163

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	47
Female	168

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	69
85 and over	31
Less than 65	11

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2013

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2013 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	60
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	27
Depression	10
Chronic Kidney Disease	8
Asthma	7
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2014 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

abdominal imaging	31
blood draw	614
breast exam	12
breast procedures	92
cardiac procedures	27
diabetes management	145
doctor visit	914
gynecologic procedures	12
lab tests	1847
musculoskeletal imaging	29
neck imaging	24
preventive care	653
stress testing	12
thoracic (chest) imaging	112
ultrasound (sonogram)	70
vaccines	76
women's imaging	92
X-rays	233

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	88
Female	261

**Ethnicity**
Non-Hispanic White	304
Black	0
Hispanic	13
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	172
From 75 to 84	111
85 and over	48
Less than 65	18

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2014

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2014 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	60
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	29
Depression	14
Chronic Kidney Disease	8
Asthma	7
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2015 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	431
breast procedures	63
diabetes management	110
doctor visit	656
lab tests	1373
musculoskeletal imaging	13
preventive care	512
thoracic (chest) imaging	76
vaccines	101
women's imaging	63
X-rays	152

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	184
Female	472

**Ethnicity**
Non-Hispanic White	556
Black	0
Hispanic	38
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	178
85 and over	100
Less than 65	22

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2015

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2015 were high cholesterol, hypertension, ischemic heart disease and depression.

Hypertension	57
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	8
Asthma	7
Osteoperosis	7
Atrial Fibrilation	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2016 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	458
breast procedures	85
diabetes management	103
doctor visit	708
lab tests	1468
musculoskeletal imaging	36
neck imaging	30
preventive care	499
thoracic (chest) imaging	99
ultrasound (sonogram)	30
vaccines	90
women's imaging	85
X-rays	220

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	86
Female	225

**Ethnicity**
Non-Hispanic White	267
Black	0
Hispanic	17
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	77
85 and over	44
Less than 65	11

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2016

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	59
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	9
Asthma	12
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	15
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2017 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	481
breast exam	16
breast procedures	98
cardiac procedures	13
cytology	16
diabetes management	133
doctor visit	751
gynecologic pathology	16
gynecologic procedures	16
lab tests	1596
musculoskeletal imaging	31
neck imaging	26
preventive care	606
thoracic (chest) imaging	81
ultrasound (sonogram)	39
vaccines	104
women's imaging	98
X-rays	210

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	86
Female	220

**Ethnicity**
Non-Hispanic White	268
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	88
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2017

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2017 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	61
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	17
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2018 were lab tests, preventive care, blood draw and X-rays.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	475
breast procedures	97
diabetes management	127
doctor visit	732
lab tests	1516
musculoskeletal imaging	36
preventive care	559
spinal procedures	11
vaccines	82
women's imaging	97
X-rays	144

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	85
Female	220

**Ethnicity**
Non-Hispanic White	261
Black	0
Hispanic	14
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	91
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2018

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2018 were high cholesterol, hypertension, depression and chronic kidney disease.

Hypertension	61
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	17
Depression	21
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2019 were lab tests, preventive care, blood draw and vaccines.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	225
breast exam	11
breast procedures	32
cardiac procedures	18
cytology	11
diabetes management	108
doctor visit	739
gynecologic pathology	11
gynecologic procedures	11
lab tests	717
musculoskeletal imaging	39
preventive care	370
ultrasound (sonogram)	18
vaccines	118
women's imaging	32
X-rays	71

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	76
Female	209

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2019

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2019 were high cholesterol, hypertension, chronic kidney disease and depression.

Hypertension	65
High Cholesterol	73
Stroke	4
Ischemic Heart Disease	19
Depression	20
Chronic Kidney Disease	22
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2020 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

anorectal procedures	15
blood draw	276
breast exam	12
diabetes management	89
doctor visit	691
gynecologic procedures	12
lab tests	496
mental health therapy	30
musculoskeletal imaging	44
preventive care	246
vaccines	68
weight management	30
X-rays	44

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	82
Female	207

**Ethnicity**
Non-Hispanic White	256
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	78
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2020

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2020 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	58
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	6
Atrial Fibrilation	6
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2021 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

anorectal procedures	16
blood draw	341
breast exam	11
cytology	11
diabetes management	119
doctor visit	736
gynecologic pathology	11
gynecologic procedures	11
lab tests	521
mental health therapy	36
musculoskeletal imaging	38
preventive care	292
spinal procedures	16
vaccines	63
weight management	36
X-rays	54

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	81
Female	201

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	13
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	86
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2021

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2021 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	18
Depression	13
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2022 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

blood draw	308
diabetes management	100
doctor visit	827
lab tests	463
musculoskeletal imaging	14
preventive care	187
vaccines	59
X-rays	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	83
Female	209

**Ethnicity**
Non-Hispanic White	252
Black	0
Hispanic	12
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	93
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2022

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	15
Depression	14
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA during 2023 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

anorectal procedures	37
blood draw	281
diabetes management	98
doctor visit	923
lab tests	432
mental health therapy	11
musculoskeletal imaging	11
preventive care	250
vaccines	91
weight management	11
X-rays	11

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	120
Female	232

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	0
Asian	17
Other	17
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	118
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sima Yaftali, MD in 2023

The most common conditions of Medicare patients that Dr. Sima Yaftali, MD treated during 2023 were high cholesterol, hypertension, depression and diabetes.

Hypertension	73
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	18
Depression	21
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	16
Atrial Fibrilation	15
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	3
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Sima Yaftali, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sima Yaftali, MD treated as an internist in Thousand Oaks, CA were lab tests, preventive care, blood draw and X-rays.

abdominal imaging	31
anorectal procedures	22
blood draw	386
breast exam	12
breast procedures	78
cardiac procedures	19
cytology	12
diabetes management	107
doctor visit	753
gynecologic pathology	12
gynecologic procedures	12
lab tests	1052
mental health therapy	25
musculoskeletal imaging	28
neck imaging	26
preventive care	414
spinal procedures	13
stress testing	12
thoracic (chest) imaging	86
ultrasound (sonogram)	39
vaccines	82
weight management	25
women's imaging	78
X-rays	119

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Sima Yaftali, MD.

**Gender**
Male	92
Female	238

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	10
Non-Hispanic White	285
Native American / Alaskan Native	0
Hispanic	13
Other	1

**Age**
75 to 84	98
85 and over	20
Less than 65	5
65 to 74	179

Average of Total of Conditions of Medicare patients treated by Dr. Sima Yaftali, MD From 2013 - 2023

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

Hypertension	63
High Cholesterol	64
Stroke	2
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	15
Asthma	8
Osteoporosis	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Atrial Fibrillation	8
Cancer	8
Dementia	6

Education & Training

She has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Sima Yaftali, MD is associated with these hospitals and organizations:

CONEJO MEDICAL AND BREAST CARE CENTER A MEDICAL CORPORATION

Ratings & Reviews

Dr. Sima Yaftali, MD has a high overall rating with an average of 3.67 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Sima Yaftali, MD from all over the web to help you find the right in Thousand Oaks, CA.

3.67

Overall Rating

(3 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$243 BYDUREON $124	SYMBICORT $102	BYDUREON WEEKLY $16
Kowa Pharmaceuticals America, Inc.	$225 Vascepa $124	LIPOFEN $71	LIVALO $29
Takeda Pharmaceuticals America, Inc.	$115 Brintellix $115
AbbVie, Inc.	$89 Synthroid $89
Abbott Laboratories	$62 FREESTYLE LIBRE 3 $25	Proclaim IPG $23	Freestyle Libre 2 $14
Other	$253 Vascepa $44	Prolia $35	JARDIANCE $32	NURTEC ODT $29	ELIQUIS $25	Other $87