Gynecologic Oncology

NCH_156,NSL_15

Colleen Reynolds

Colleen Reynolds
Colleen Reynolds
PA-C
Specialties
Gynecologic Oncology
National Provider Identifier
1679125702
Employment Status/Appointment
Employed
Female
    1679125702 - 3145 - Endeavor Health Medical Group 1679125702 - 4749 - Endeavor Health Medical Group
Provider Status
Advanced Practitioner
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
My Chart Scheduling
Off
Years Experience
7
Display Middle Name
Off
Primary Specialty Not Schedulable
Off

Seiko Yamada

Seiko Yamada
Seiko Yamada
MD
Specialties
Gynecologic Oncology
Obstetrics & Gynecology
National Provider Identifier
1275561409
Employment Status/Appointment
Medical Staff
Female
    1275561409 - 3741 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
Yes
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Medical Group Override
Off
Hide Online Scheduling
Off
Override Specialties
Off
Display Middle Name
Off
Override Locations
Off
Primary Specialty Not Schedulable
Off

Gary Altwerger

Gary Altwerger
Gary Altwerger
MD
Specialties
Gynecologic Oncology
Obstetrics & Gynecology
National Provider Identifier
1407114630
Employment Status/Appointment
Medical Staff
Male
    1407114630 - 3741 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Years Experience
14
Primary Specialty Not Schedulable
Off

Sahana Somasegar

Sahana Somasegar, MD
Sahana Somasegar
Sahana Somasegar
MD
Specialties
Obstetrics & Gynecology
National Provider Identifier
1508359464
Employment Status/Appointment
Assistant
Female
    1508359464 - 3145 - Endeavor Health Medical Group 1508359464 - 31635 - Endeavor Health Medical Group 1508359464 - 9063 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
My Chart Scheduling
Off

Sahana Somasegar, MD MS, a gynecologic oncologist at Endeavor Health, provides comprehensive and compassionate care for patients with cancers of the female reproductive system. She treats conditions such as ovarian, uterine (endometrial), cervical, vaginal, and vulvar cancer, with expertise in complex cancer surgery and minimally invasive techniques. Dr. Somasegar has a strong interest in clinical trials and personalized medicine, integrating the latest research and molecular profiling to tailor treatment plans to each patient’s cancer. She works closely with multidisciplinary teams to offer individualized treatment plans that may include surgery, chemotherapy, radiotherapy, and advanced therapies. She is committed to compassionate, patient-centered care and to guiding patients and their families with clarity and support through every step of their cancer journey.

Years Experience
8
Medical Group Override
Off
Hide Online Scheduling
Off
Override Specialties
Off
Primary Specialty Not Schedulable
Off

Heather Gannon Stringer

Heather Gannon Stringer
Heather Gannon Stringer
PA-C
Specialties
Gynecologic Oncology
National Provider Identifier
1598989097
Employment Status/Appointment
Non-Employed
Female
    1598989097 - 32962 - Affiliated Oncologists, LLC 1598989097 - 32963 - Affiliated Oncologists, LLC 1598989097 - 32964 - Affiliated Oncologists, LLC 1598989097 - 32970 - Affiliated Oncologists, LLC 1598989097 - 32971 - Affiliated Oncologists, LLC 1598989097 - 32978 - Affiliated Oncologists, LLC
Provider Status
Advanced Practitioner
Accepting Patients
No
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Years Experience
20
Primary Specialty Not Schedulable
Off

Brooke Pierson

Brooke Pierson
Brooke Pierson
PA-C
Specialties
Gynecologic Oncology
National Provider Identifier
1215289137
Employment Status/Appointment
Non-Employed
Female
    1215289137 - 32962 - Affiliated Oncologists, LLC 1215289137 - 32963 - Affiliated Oncologists, LLC 1215289137 - 32964 - Affiliated Oncologists, LLC 1215289137 - 32965 - Affiliated Oncologists, LLC 1215289137 - 32966 - Affiliated Oncologists, LLC 1215289137 - 32967 - Affiliated Oncologists, LLC 1215289137 - 32968 - Affiliated Oncologists, LLC 1215289137 - 32978 - Affiliated Oncologists, LLC 1215289137 - 6287 - Affiliated Oncologists, LLC
Provider Status
Advanced Practitioner
Accepting Patients
No
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Years Experience
14
Primary Specialty Not Schedulable
Off

Nancy Singh

Nancy Singh, MD
Nancy Singh
Nancy Singh
MD
Specialties
Gynecologic Oncology
National Provider Identifier
1851956353
Employment Status/Appointment
Provisional
Female
    1851956353 - 9391 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Years Experience
7
Primary Specialty Not Schedulable
Off

Amanda Buck

Amanda Buck
Amanda Buck
DO
Specialties
Obstetrics & Gynecology
National Provider Identifier
1104481332
Employment Status/Appointment
Provisional
Female
    1104481332 - 11961 - Erie Family Health Center 1104481332 - 30076 - Women's HealthFirst, LLC
Provider Status
Active
Accepting Patients
Yes
Employed
No
Open Scheduling
Off
My Chart Scheduling
Off
Hospital Affiliations
Years Experience
7
Primary Specialty Not Schedulable
Off

Andreea Newtson

Andreea Newtson, MD
Andreea Newtson
Andreea Newtson
MD
Specialties
Gynecologic Oncology
National Provider Identifier
1073925863
Employment Status/Appointment
Assistant
Female
    1073925863 - 3145 - Endeavor Health Medical Group 1073925863 - 31635 - Endeavor Health Medical Group 1073925863 - 4749 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
My Chart Scheduling
Off

Andreea Mihai Newtson, MD, a gynecologic oncologist at Endeavor Health, provides comprehensive care for patients with cancers of the female reproductive system. She specializes in diagnosing and treating conditions such as ovarian, cervical and uterine cancer. Dr. Newtson works closely with multidisciplinary teams to offer individualized treatment plans that may include surgery, chemotherapy and advanced therapies.

Years Experience
12
Medical Group Override
Off
Hide Online Scheduling
Off
Override Specialties
On
Primary Specialty Not Schedulable
Off

Rajul Kothari

Rajul Kothari
Rajul Kothari
MD
Specialties
Obstetrics & Gynecology
National Provider Identifier
1518160720
Employment Status/Appointment
Provisional
Female
Languages
Gujarati
Hindi
    1518160720 - 6255 - Women's Cancer Care Associates
Provider Status
Active
Accepting Patients
No
Employed
No

My endeavor is to provide care in a way that allows women to understand their bodies and make informed choices about their health.

Open Scheduling
Off
My Chart Scheduling
Off
Traveling
Crafting
Sewing
Spending time with family
Exercising

I provide focused, evidence-based care with a deep respect for the weight of each diagnosis. I walk you through your treatment options with clarity and care, always tailoring the plan to your needs and your life.

Rajul Kothari, MD, a gynecologic oncologist at Endeavor Health, cares for women with cancers of the reproductive organs, including uterine, ovarian, cervical, vulvar and vaginal cancers. She provides surgical treatment and collaborates on chemotherapy, immunotherapy, hormonal therapy and radiation plans, while also supporting individuals at increased genetic risk for gynecologic cancer. Dr. Kothari focuses on clear communication, evidence-based decision making and care that aligns with each patient’s needs and life circumstances.

Hospital Affiliations
Years Experience
18
Medical Group Override
Off
Hide Online Scheduling
Off
Override Specialties
Off
Primary Specialty Not Schedulable
Off
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