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

Dr. Sandra Thomas, DO, MS

Accepting New Patients

(874 Ratings)

Specializes in: Obstetrics & Gynecology

Philadelphia College of Osteopathic Medicine (1997)

Professional interests include: vaginal birth after cesarean (VBAC), cesarean section (C-section), dilation and evacuation (D&E), and more.

4807 Freemansburg Avenue Suite 150
Easton, PA 18045

(484) 591-7600

Dr. Sandra Thomas, DO, MS is an obstetrician and gynecologist in Allentown, PA specializing in obstetrics & gynecology. She graduated from Philadelphia College of Osteopathic Medicine in 1997 and has 27 years of experience. Dr. Sandra Thomas, DO, MS is affiliated with Lehigh Valley Physician Group (LVPG) and Lehigh Valley Health Network.

Office Locations

Address:

1245 S Cedar Crest Boulevard Suite 201
Allentown, PA 18103

Address:

4807 Freemansburg Avenue Suite 150
Easton, PA 18045

Some issues Dr. Sandra Thomas, DO, MS can help you with:

Breast Biopsy

Breast biopsy is a procedure where a small sample of tissue is collected from the breast for testing. A physician may prescribe a breast biopsy for a variety of reasons, but they are most frequently prescribed for a lump found in the breast. Biopsy samples extracted are examined by pathologists in a laboratory setting and are tested to determine if they are cancerous or benign, or indicative of some other condition. Depending on the lab results, physicians may prescribe additional treatment. Other circumstances which may prompt a breast biopsy include:

Mammograms that detect other unusual features in the chest, such as a cyst or calcium deposit
Breast scans or ultrasounds that display abnormalities
Nipple changes, such as scaling, crusting, or bloody discharge

Breast biopsies are collected through several different procedures and the specific type of biopsy that a patient receives depends on the size, location, and features of a breast lump or irregularity. The three main methods of collecting a breast biopsy include:

Fine needle aspiration (FNA biopsy), where a thin needle is directed into a breast lump or abnormality, extracting a small sample of tissue or liquid
Core needle biopsy (CNB biopsy), where a hollow needle is directed into a breast lump or abnormality, extracting cylinders of tissue called "cores"
Open (surgical) biopsy, where a breast lump is removed through an incision in the breast

Fine needle aspiration (FNA) and core needle biopsy (CNB) are sometimes image-guided, where a mammogram, ultrasound, or MRI helps direct the physician performing the needle extraction.

Fine needle aspiration, the most common biopsy method, generally requires few patient preparations. It is recommended patients avoid using lotion, deodorant, and perfume prior to their biopsy procedure. FNA biopsy is performed with local anesthesia (topical numbing cream) and typically has a quick recovery, but patients may experience soreness for a few days. Core needle biopsy extracts slightly more tissue than an FNA biopsy.

Open (surgical) biopsy is more invasive and requires general anesthesia, where patients are put to sleep during the procedure. Patients must fast prior to the surgery. After the biopsy is performed, patients are monitored in a recovery room for a time before being discharged, when they will need someone else to provide transportation.

Although some may consider breast biopsy to be a simple procedure, it can catch critical issues - particularly breast cancer - that impact wellness. If a breast biopsy reveals an underlying condition like life-threatening cancer, patients can receive the diagnosis and medical treatment that is necessary for their long-term health.

Cesarean Section (C-Section)

A Cesarean section (more often known as "C-Section") is a surgery performed during labor and delivery. A C-Section is a procedure that delivers a baby through an incision in the lower abdomen and uterus. In the United States, about a third of all births are performed by Cesarean section. Most often, a C-section is done by an obstetrician/gynecologist (OB-GYN), or in certain regions, a general surgeon or family physician.

C-section incisions can be up-and-down (vertical), from belly button to lower abdomen or side-to-side (horizontal), across the lower abdomen. Side-to-side incisions are more frequently used. After the exterior incisions are made, the doctor then cuts into the uterus and amniotic sac and delivers the infant and cuts the baby's umbilical cord. The mother receives medicine to expel the placenta and the doctor helps to safely remove it. Finally, the doctor uses sutures to seal the uterus and tissue incisions. The initial C-section skin incision is also closed with sutures or staples.

C-sections are typically performed with regional anesthesia, which inhibits pain in the lower half of the body, but allows mothers to be awake. However, some mothers may receive general anesthesia, where they are put to sleep during the surgical procedure.

C-sections may be planned or unplanned, depending on the circumstances of the birth.

Pre-existing conditions like heart disease, high blood pressure, herpes, and HIV may prompt a doctor to prescribe a C-section. Other situations for C-section include:

A large baby or birth to multiple children
Pelvic fracture or limited birth canal
Baby in the "breech position," where a baby is positioned feet or bottom first in the uterus
Baby with a developmental disorder
Irregular fetal heartbeat
Mother with a history of previous C-sections

Other mothers may require a C-section due to complications arising during delivery. These unplanned, emergency C-sections allow for a healthy birth even when complex complications are present. Problems during labor which may necessitate a C-section include:

Labor not progressing
Fetus switching position during labor
Distressed infant
Blockage of the cervical opening by the placenta
Prolapsed umbilical cord

Mothers should expect about a six-week recovery period following a C-section, including an initial hospital stay of two to three days. While in the hospital, mothers may spend time with their baby and begin breastfeeding. After returning home, mothers should limit strenuous activities such as lifting, reaching, and exercise, and should make sure to get plenty of rest.

Hysteroscopy

A hysteroscopy is a diagnostic procedure performed to examine the inside of the uterus. A thin tube with a camera and light at the end, called a hysteroscope, is inserted through the vagina. It allows the physician to view the cervix and uterine walls. Sometimes, gas or liquid is used to expand the uterus and allow a better view. If necessary, tiny instruments can also be passed through the tube and used for certain procedures, such as taking a biopsy or removing a polyp.

Hysteroscopy is often done to figure out the cause of abnormal menstrual bleeding. However, it can also be used to:

Identify the cause of recurrent miscarriage
Remove polyps or fibroids, non-cancerous growths in the uterus
Remove adhesions, scar tissue within the uterus
Identify uterine septums, a wall of tissue dividing the uterus
Perform ablation, the removal of excess uterine lining

If surgery is necessary, hysteroscopy is often used along with laparoscopy, a kind of surgery performed through small incisions in the abdomen. Tiny tools are passed through the incisions, and the hysteroscope guides the doctors while surgery is performed.

breast exam	44
cytology	20
doctor visit	10
gynecologic pathology	20
gynecologic procedures	44
pelvic imaging	11
preventive care	20
ultrasound (sonogram)	11
women's imaging	11

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	22

Hypertension	61
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	26
Depression	30
Chronic Kidney Disease	18
Asthma	18
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	0

breast exam	59
cytology	12
gynecologic pathology	12
gynecologic procedures	59
pelvic imaging	20
preventive care	12
ultrasound (sonogram)	20
women's imaging	20

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

**Age**
From 65 to 74	43
From 75 to 84	0
85 and over	0
Less than 65	29

Hypertension	48
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	17
Depression	19
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	12

breast exam	49
doctor visit	10
gynecologic procedures	49
pelvic imaging	15
ultrasound (sonogram)	15
women's imaging	15

**Age**
From 65 to 74	62
From 75 to 84	0
85 and over	0
Less than 65	58

Hypertension	54
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	23
Depression	28
Chronic Kidney Disease	19
Asthma	16
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	0

breast exam	45
cytology	12
doctor visit	13
gynecologic pathology	12
gynecologic procedures	45
preventive care	12

**Ethnicity**
Non-Hispanic White	75
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	0
85 and over	0
Less than 65	30

Hypertension	54
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	21
Depression	29
Chronic Kidney Disease	20
Asthma	15
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	0

breast exam	71
cytology	18
doctor visit	25
gynecologic pathology	18
gynecologic procedures	71
pelvic imaging	24
preventive care	18
ultrasound (sonogram)	24
women's imaging	24

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

**Age**
From 65 to 74	63
From 75 to 84	24
85 and over	13
Less than 65	24

Hypertension	59
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	20
Depression	28
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	18
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

breast exam	67
cytology	12
doctor visit	40
gynecologic pathology	12
gynecologic procedures	67
pelvic imaging	16
preventive care	12
ultrasound (sonogram)	16
women's imaging	16

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	0
85 and over	0
Less than 65	27

Hypertension	54
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	18
Depression	28
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	10

breast exam	72
doctor visit	18
gynecologic procedures	72
pelvic imaging	11
ultrasound (sonogram)	11
women's imaging	11

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	0
85 and over	0
Less than 65	26

Hypertension	43
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	17
Depression	21
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

breast exam	69
cytology	16
doctor visit	44
gynecologic pathology	16
gynecologic procedures	69
pelvic imaging	13
preventive care	16
ultrasound (sonogram)	13
women's imaging	13

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	0
85 and over	0
Less than 65	28

Hypertension	47
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	18
Depression	31
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	12

breast exam	142
cytology	28
doctor visit	35
gynecologic pathology	28
gynecologic procedures	142
pelvic imaging	23
preventive care	28
ultrasound (sonogram)	23
women's imaging	23

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Sandra Thomas, DO, MS for Medicare patients.

The highest averages for the top procedures that Dr. Sandra Thomas, DO, MS treated as an obstetrician and gynecologist in Allentown, PA were breast exam, gynecologic procedures, ultrasound (sonogram) and preventive care.

breast exam	68
cytology	16
doctor visit	26
gynecologic pathology	16
gynecologic procedures	68
pelvic imaging	16
preventive care	16
ultrasound (sonogram)	16
women's imaging	16

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Sandra Thomas, DO, MS.

**Gender**
Male	0
Female	88

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	56
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	2
85 and over	1
Less than 65	24
65 to 74	42

Average of Total of Conditions of Medicare patients treated by Dr. Sandra Thomas, DO, MS From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Sandra Thomas, DO, MS treated were high cholesterol, hypertension, depression and diabetes.

Hypertension	42
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	16
Depression	21
Chronic Kidney Disease	14
Asthma	7
Osteoporosis	7
Heart Failure	1
Chronic Obstructive Pulmonary Disease	0
Diabetes	17
Atrial Fibrillation	0
Cancer	3
Dementia	0

Education & Training

Dr. Sandra Thomas, DO, MS graduated from Philadelphia College of Osteopathic Medicine in 1997. She completed residency at St. Luke's Hospital & Health Network, Pennsylvania. She is certified by the American Board of Obstetrics & Gynecology - Obstetrics and Gynecology Publications & Clinical Trials View Clinical Trials View Scholarly Works and has a state license in Pennsylvania.

Medical School: Philadelphia College of Osteopathic Medicine (1997)

Residency: St. Luke's Hospital & Health Network, Pennsylvania (1999)

Board Certification: American Board of Obstetrics & Gynecology - Obstetrics and Gynecology Publications & Clinical Trials View Clinical Trials View Scholarly Works

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Sandra Thomas, DO, MS is associated with these hospitals and organizations:

Lehigh Valley Physician Group (LVPG)

Lehigh Valley Health Network

Ratings & Reviews

Dr. Sandra Thomas, DO, MS has an exceptional overall rating with an average of 4.78 out of 5 stars based on 874 ratings. We collect ratings and reviews of Dr. Sandra Thomas, DO, MS from all over the web to help you find the right in Allentown, PA.

4.78

Overall Rating

(874 Ratings)

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General Payments

These charts describe general payments received by Dr. Sandra Thomas, DO, MS. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$125 ORIAHNN $125
AbbVie, Inc.	$110 Orilissa $100	Lupron $10
Otsuka America Pharmaceutical, Inc.	$88 $88
Shionogi Inc	$26 Osphena $26
Astellas Pharma US Inc	$20 XOSPATA $20
Other	$40 NAMENDA XR $15	Xofigo $15	NUVARING $10

**Types of Payments**
Food and Beverage	$409

Biography

Dr. Sandra Thomas practices obstetrics & gynecology in Allentown, PA. She is professionally affiliated with Lehigh Valley Physician Group (LVPG). She is a graduate of Philadelphia College of Osteopathic Medicine.