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Home > SC Providers > Obstetricians & Gynecologists: OB-GYNs

Allison Sizemore Nissen, CNM, MSN

Accepting New Patients

(Allison Nissen, CNM)

(121 Ratings)

Specializes in: Obstetrics & Gynecology and Midwifery

Professional interests include: contraception (birth control), family planning

171 Ashley Avenue
Charleston, SC 29425

(843) 792-1414

Allison Sizemore Nissen, CNM, MSN is a nurse in Charleston, SC specializing in obstetrics & gynecology and midwifery. Allison Sizemore Nissen, CNM, MSN is affiliated with MUSC Health.

Office Locations

MUSC Health

135 Cannon Street 2nd Floor
Charleston, SC 29425

(843) 792-5300

open_in_new

171 Ashley Avenue
Charleston, SC 29425

(843) 792-1414

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2012 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	14
doctor visit	19
gynecologic procedures	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2013 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	17
doctor visit	21
gynecologic procedures	17

2013 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	28

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2013

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

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2014 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	15
doctor visit	26
gynecologic procedures	15

2014 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	35

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	23

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2014

Hypertension	43
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2015 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	19
doctor visit	23
gynecologic procedures	19

2015 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	70

**Ethnicity**
Non-Hispanic White	0
Black	48
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2015

Hypertension	63
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	0
Depression	49
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2016 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	23
doctor visit	34
gynecologic procedures	23

2016 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	47

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2016

Hypertension	45
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	28
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2017 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	21
doctor visit	26
gynecologic procedures	21

2017 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	47

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2017

Hypertension	51
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	23
Depression	30
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2018 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	15
doctor visit	20
gynecologic procedures	15

2018 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	29

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2018

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2019 were breast exam and gynecologic procedures.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	12
doctor visit	35
gynecologic procedures	12

2019 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	45

**Ethnicity**
Non-Hispanic White	0
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	28

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2019

Hypertension	53
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	0
Depression	27
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2020 were breast exam, gynecologic procedures, preventive care and cytology.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

breast exam	13
cytology	12
doctor visit	23
gynecologic pathology	12
gynecologic procedures	13
preventive care	12

2020 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	33

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	20

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2020

Hypertension	70
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	0
Depression	33
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	45
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC during 2021 were preventive care, cytology and gynecologic pathology.

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

cytology	11
doctor visit	16
gynecologic pathology	11
preventive care	11

2021 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	33

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

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

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2021

Hypertension	48
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	0
Depression	36
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

doctor visit	16

2022 Medicare Patient Data

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	30

**Ethnicity**
Non-Hispanic White	12
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2022

Hypertension	70
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Allison Sizemore Nissen, CNM, MSN for Medicare patients.

The highest averages for the top procedures that Allison Sizemore Nissen, CNM, MSN treated as a nurse in Charleston, SC were breast exam, gynecologic procedures, preventive care and cytology.

breast exam	16
cytology	11
doctor visit	23
gynecologic pathology	11
gynecologic procedures	16
preventive care	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Allison Sizemore Nissen, CNM, MSN.

**Gender**
Male	0
Female	36

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

**Age**
75 to 84	0
85 and over	0
Less than 65	11
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Allison Sizemore Nissen, CNM, MSN treated were hypertension, depression, high cholesterol and diabetes.

Hypertension	48
High Cholesterol	21
Stroke	0
Ischemic Heart Disease	2
Depression	22
Chronic Kidney Disease	10
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	17
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

She has a state license in South Carolina.

Licensed In: South Carolina

Affiliations & Hospitals

Allison Sizemore Nissen, CNM, MSN is associated with these hospitals and organizations:

MUSC Health

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.

Allison Sizemore Nissen, CNM, MSN appears to accept the following insurance providers: CIGNA Medicare, Aetna Medicare, Great-West Healthcare, WellCare, Community Care Network (CCN), United Healthcare, TRICARE, Employers Health Network, Medicaid, Humana, Cigna, Coventry, Blue Choice, First Health, MedCost, Molina Healthcare, Group Health Plan (GHP), Medicare A & B (Traditional Medicare), Blue Cross Blue Shield State Health Plan for South Carolina, Blue Cross Blue Shield Preferred Blue (PPC), BCBS Blue Essentials (Marketplace), Aetna (Preferred Provider Organization), Blue Cross Blue Shield Planned Administrators, First Choice/Select Health (NEIC), Absolute Total Care (NEIC), Clover Health, Blue Cross Blue Shield Medicare, Aetna (Open Choice), AllWell by Absolute Total Care, Aetna (Managed Choice), Blue Cross Blue Shield Federal (FEP), Ambetter from Absolute Total Care (Marketplace), First Choice Next and Aetna (Exclusive Choice).

Insurance Accepted by Provider includes:

According to our sources, Allison Sizemore Nissen, CNM, MSN accepts the following insurance providers:

CIGNA Medicare

Aetna Medicare

Great-West Healthcare

WellCare

Community Care Network (CCN)

United Healthcare

TRICARE

Employers Health Network

Medicaid

Humana

Cigna

Coventry

Blue Choice

First Health

MedCost

Molina Healthcare

Group Health Plan (GHP)

Medicare A & B (Traditional Medicare)

Blue Cross Blue Shield State Health Plan for South Carolina

Blue Cross Blue Shield Preferred Blue (PPC)

BCBS Blue Essentials (Marketplace)

Aetna (Preferred Provider Organization)

Blue Cross Blue Shield Planned Administrators

First Choice/Select Health (NEIC)

Absolute Total Care (NEIC)

Clover Health

Blue Cross Blue Shield Medicare

Aetna (Open Choice)

AllWell by Absolute Total Care

Aetna (Managed Choice)

Blue Cross Blue Shield Federal (FEP)

Ambetter from Absolute Total Care (Marketplace)

First Choice Next

Aetna (Exclusive Choice)

Ratings & Reviews

Allison Sizemore Nissen, CNM, MSN has an exceptional overall rating with an average of 4.9 out of 5 stars based on 121 ratings. We collect ratings and reviews of Allison Sizemore Nissen, CNM, MSN from all over the web to help you find the right in Charleston, SC.

4.9

Overall Rating

(121 Ratings)

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Biography

Ms. Allison Nissen is a specialist in midwifery and obstetrics & gynecology. Ms. Nissen is rated 5.0 stars (out of 5) by her patients. Areas of particular interest for Ms. Nissen include contraception (birth control) and obstetrics. She is affiliated with MUSC Health. She can accept Blue California, Coventry, and Employers Health Network, as well as other insurance carriers. Ms. Nissen welcomes new patients at her office inCharleston, SC as reported by MUSC Health.

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Allison Sizemore Nissen, CNM, MSN

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 Allison Sizemore Nissen, CNM, MSN in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Allison Sizemore Nissen, CNM, MSN From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

Biography

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