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Home > CA Providers > Internists & Internal Medicine Doctors

Dr. Mary Ann Diaz Pagulayan-Sy, MD

(Dr. Maryann Diaz Pagulayan-Sy, M.D.)

(4 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Santo Tomas Faculty of Medicine and Surgery

41689 Road 128
Orosi, CA 93647

(559) 528-1777

Dr. Mary Ann Diaz Pagulayan-Sy, MD is an internist in Porterville, CA specializing in internal medicine (adult medicine). She graduated from University of Santo Tomas Faculty of Medicine and Surgery. Dr. Mary Ann Diaz Pagulayan-Sy, MD is affiliated with Dignity Health.

Office Locations

198 W Cherry Avenue Unit A
Porterville, CA 93257

(559) 781-7980

(559) 788-0544

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Dignity Health

41689 Road 128
Orosi, CA 93647

(559) 528-1777

(559) 528-1778

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA during 2012 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

diabetes management	331
doctor visit	1276
hospital care	11
inpatient care	11
lab tests	372
preventive care	93
vaccines	93

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA during 2013 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

diabetes management	190
doctor visit	1172
lab tests	223
preventive care	85
vaccines	85

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Male	20
Female	189

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	51
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	78
85 and over	24
Less than 65	20

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2013

Hypertension	75
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	46
Depression	10
Chronic Kidney Disease	11
Asthma	0
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	45
Dementia	0
Cancer	6

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA during 2014 were preventive care and vaccines.

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1174
preventive care	73
vaccines	73

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Male	17
Female	192

**Ethnicity**
Non-Hispanic White	141
Black	0
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	73
85 and over	25
Less than 65	18

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2014

Hypertension	75
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	47
Depression	11
Chronic Kidney Disease	9
Asthma	0
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA during 2015 were preventive care and vaccines.

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1186
preventive care	91
vaccines	91

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Male	22
Female	326

**Ethnicity**
Non-Hispanic White	234
Black	0
Hispanic	78
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	100
85 and over	46
Less than 65	26

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2015

Hypertension	75
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	48
Depression	8
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	41
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA during 2016 were preventive care and vaccines.

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1177
preventive care	58
vaccines	58

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Male	16
Female	153

**Ethnicity**
Non-Hispanic White	115
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	57
85 and over	23
Less than 65	15

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2016

Hypertension	75
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	43
Depression	15
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	41
Dementia	8
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1142

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Male	13
Female	154

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	59
85 and over	23
Less than 65	14

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2017

Hypertension	74
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	38
Depression	13
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	10
Diabetes	41
Dementia	7
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1038

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	97
Black	0
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	49
85 and over	20
Less than 65	15

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2018

Hypertension	72
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	7
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	1142

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	51
85 and over	18
Less than 65	12

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2019

Hypertension	74
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	47
Depression	9
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	900

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	84
Black	0
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2020

Hypertension	73
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	52
Depression	9
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	0
Diabetes	39
Dementia	9
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	984

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2021

Hypertension	72
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	44
Depression	15
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	31
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	882

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2022

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	33
Depression	12
Chronic Kidney Disease	10
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

doctor visit	815

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Ethnicity**
Non-Hispanic White	60
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2023

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Mary Ann Diaz Pagulayan-Sy, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated as an internist in Porterville, CA were lab tests, diabetes management, preventive care and vaccines.

diabetes management	260
doctor visit	1074
hospital care	11
inpatient care	11
lab tests	297
preventive care	80
vaccines	80

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD.

**Gender**
Female	84
Male	7

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	101
Hispanic	37
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	14
75 to 84	52
Less than 65	10
65 to 74	71

Average of Total of Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Mary Ann Diaz Pagulayan-Sy, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	38
Depression	11
Chronic Kidney Disease	22
Asthma	0
Osteoporosis	4
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	35
Atrial Fibrillation	4
Dementia	2
Cancer	3

Education & Training

Dr. Mary Ann Diaz Pagulayan-Sy, MD graduated from University of Santo Tomas Faculty of Medicine and Surgery. She completed residency at Maryland General Hospital. She has a state license in California.

Medical School: University of Santo Tomas Faculty of Medicine and Surgery

Residency: Maryland General Hospital

Licensed In: California

Affiliations & Hospitals

Dr. Mary Ann Diaz Pagulayan-Sy, MD is associated with these hospitals and organizations:

Dignity Health

Ratings & Reviews

Dr. Mary Ann Diaz Pagulayan-Sy, MD has a good overall rating with an average of 3.0 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Mary Ann Diaz Pagulayan-Sy, MD from all over the web to help you find the right in Porterville, CA.

Overall Rating

(4 Ratings)

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General Payments

These charts describe general payments received by Dr. Mary Ann Diaz Pagulayan-Sy, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Merck Sharp & Dohme Corporation	$553 JANUMET XR $385	STEGLATRO $129	BELSOMRA $29	DULERA $10
Boehringer Ingelheim Pharmaceuticals, Inc.	$341 JARDIANCE $294	TRADJENTA $27	$20
AstraZeneca Pharmaceuticals LP	$340 BYDUREON $181	FARXIGA $136	BYDUREON WEEKLY $23
Novo Nordisk Inc	$304 Tresiba $181	Victoza $123
Mylan Specialty L.P.	$197 Yupelri $160	Perforomist $37
Other	$1,122 XARELTO $155	DALIRESP $136	TOUJEO $110	ELIQUIS $101	Vesicare $60	Other $560

**Types of Payments**
Food and Beverage	$2,855
Consulting Fee	$2

Biography

Dr. Maryann Pagulayan-Sy's average patient rating is 3.0 stars (out of 5). She graduated from the University of Santo Tomas Faculty of Medicine and Surgery and then she performed her residency at Maryland General Hospital. Dr. Pagulayan-Sy is conversant in Filipino. She is affiliated with Dignity Health. Dignity Health reports that she is not accepting new patients.

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Dr. Mary Ann Diaz Pagulayan-Sy, MD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Mary Ann Diaz Pagulayan-Sy, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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