Who is Dr. O'regan, Obstetrician / Gynecologist (OBGYN) in North Chelmsford, MA?
Dr. Neil O'regan, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in North Chelmsford, MA with 1 additional practice location. He has been practicing for over 23 years and is board certified. Dr. O'regan graduated from Georgetown University School of Medicine.
Dr. O'regan is fluent in English and French, and is currently seeing new patients. Dr. O'regan’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'regan’s office at (978) 256-1858.
What are Areas of Expertise for Dr. O'regan?
Dr. Neil O'regan, MD is a highly-rated, board-certified Obstetrician / Gynecologist (OBGYN) known for expertly diagnosing, treating, and managing a wide array
of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. O'regan empowers
patients to confidently navigate their health journey, specializing in Menstrual Disorders, Pregnancy, Women's Health, or comprehensive
wellness support. Serving
the North Chelmsford/MA community, Dr. O'regan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. O'regan go to medical school and complete their residency?
Medical School: Georgetown University School of Medicine
Is Dr. O'regan board certified as an Obstetrician / Gynecologist (OBGYN)?
Yes, Dr. Neil O'regan, MD is board certified by the American Board of Obstetrics and Gynecology
What languages does Dr. O'regan speak?
Dr. O'regan and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. O'regan treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'regan diagnoses, treats, and manages
a wide range of conditions. This condition information is derived from anonymized
insurance claims and highlights the medical conditions most commonly treated
by Dr. O'regan. It provides insight into the doctor’s areas of experience
and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
Routine Gynecological Exam (Normal Findings)
Routine Gynecological Exam (Abnormal Findings)
Women's Health Checkup
Women's checkup, all clear
Pelvic exam, normal results
OB/GYN visit, no issues
Women's checkup with issues
Pelvic exam, abnormal results
OB/GYN visit with concerns
ICD-10 Codes:
Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings
Z01411: Encounter for gynecological examination (general) (routine) with abnormal findings
Also known as:
Prenatal Care for Normal Pregnancy
Prenatal Care for First Pregnancy
Prenatal Care
Routine pregnancy check-ups
Standard antenatal care
Normal pregnancy supervision
First Pregnancy Check-ups
Routine Care for First Pregnancy
Maternity Care for First-Time Moms
Routine Pregnancy Check-ups
Maternity Care
Normal Pregnancy Supervision
ICD-10 Codes:
Z3480: Encounter for supervision of other normal pregnancy, unspecified trimester
Z3400: Encounter for supervision of normal first pregnancy, unspecified trimester
Z3490: Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
Also known as:
General High-Risk Pregnancy Care
Pregnancy Care for Older Mothers with Previous Births
Health Problems in Pregnancy
Specialized Obstetric Monitoring
Maternal-Fetal Medicine Consult
Pregnancy Management for Complications
Advanced Maternal Age Multiple Pregnancies
Elderly Multigravida Care
Older Mother with Prior Births Pregnancy Monitoring
ICD-10 Codes:
O0993: Supervision of high risk pregnancy, unspecified, third trimester
O0990: Supervision of high risk pregnancy, unspecified, unspecified trimester
O09523: Supervision of elderly multigravida, third trimester
Also known as:
Abnormal Uterine and Vaginal Bleeding
Vaginal Bleeding
Unusual Uterine Bleeding
Abnormal Vaginal Discharge
AUB
Irregular Genital Bleeding
ICD-10 Codes:
N939: Abnormal uterine and vaginal bleeding, unspecified
Also known as:
Immunization Visit
Vaccines
Vaccination appointment
Shot visit
Immunization encounter
ICD-10 Codes:
Z23: Encounter for immunization
Also known as:
Low-Grade Abnormal Cells on Pap Test (LGSIL)
High-Grade Abnormal Cells on Pap Test (HGSIL)
Cervical Cancer Screening
Cervix Disorder
Abnormal Pap Smear
LGSIL Pap Test
Mild Cervical Dysplasia
Low-Grade Squamous Intraepithelial Lesion
HGSIL Pap Test
Severe Cervical Dysplasia
High-Grade Squamous Intraepithelial Lesion
ICD-10 Codes:
R87612: Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)
R87613: High grade squamous intraepithelial lesion on cytologic smear of cervix (HGSIL)
Also known as:
Pelvic and Perineal Pain
Pelvic Pain
Perineum pain
Pelvic floor pain
Pain in groin area
ICD-10 Codes:
R102: Pelvic and perineal pain
Also known as:
Postmenopausal Bleeding
Menopause
Vaginal Bleeding
Bleeding After Menopause
Vaginal Bleeding in Menopause
ICD-10 Codes:
N950: Postmenopausal bleeding
Also known as:
Negative Pregnancy Test Result
Pregnancy Test
No pregnancy detected
Negative HCG test
Not pregnant result
ICD-10 Codes:
Z3202: Encounter for pregnancy test, result negative
Also known as:
Insulin-Controlled Gestational Diabetes
Diabetes and Pregnancy
Gestational diabetes
Pregnancy Diabetes on Insulin
Insulin for Gestational Diabetes
GDM with Insulin
ICD-10 Codes:
O24414: Gestational diabetes mellitus in pregnancy, insulin controlled
Also known as:
Uterine Polyp
Uterine Disease
Endometrial Polyp
Womb Polyp
ICD-10 Codes:
N840: Polyp of corpus uteri
Also known as:
Obesity during pregnancy
Health Problems in Pregnancy
Obesity
Maternal obesity
Obesity in pregnancy
Weight issues in pregnancy
ICD-10 Codes:
O99213: Obesity complicating pregnancy, third trimester
Also known as:
Miscarriage
Spontaneous abortion
Early pregnancy loss
Fetal loss
ICD-10 Codes:
O039: Complete or unspecified spontaneous abortion without complication
What procedures does Dr. O'regan perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. O'regan performs a variety of medical procedures.
This procedure information is derived from anonymized insurance claims and highlights
the medical procedures most commonly performed by Dr. O'regan. It provides insight
into the doctor’s areas of experience and expertise based on real-world patient encounters
from the past two years, updated quarterly.
Also known as:
Fetal Non-Stress Test
Fetal Monitoring During Labor (Consulting Physician)
Nonstress Test
Nonstress Test (NST)
Fetal Heart Rate Monitoring
NST for Pregnancy
Baby Heartbeat Test
Labor Fetal Heart Rate Monitoring
Remote Fetal Monitoring Interpretation
Consulting Perinatal Monitoring
CPT Codes:
59025: Fetal non-stress test
59050: Fetal monitoring during labor by consulting physician (ie, non-attending physician) with written report; supervision and interpretation
Also known as:
Surgical Treatment for Missed Miscarriage (First Trimester)
D&C for Missed Abortion
Surgical Miscarriage Management
First Trimester Missed Abortion Treatment
CPT Codes:
59820: Treatment of missed abortion, completed surgically; first trimester
Also known as:
Hysteroscopy with Biopsy or Polyp Removal
Biopsy
Hysteroscopy
Uterine Scope with Biopsy
Hysteroscopic Polypectomy
D&C with Hysteroscopy
CPT Codes:
58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
Also known as:
Colposcopy with Cervical Biopsy and Curettage
Colposcopy
Cervical Biopsy
Endocervical Curettage
Pap Smear Follow-up Procedure
CPT Codes:
57454: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix and endocervical curettage
Also known as:
Uterine Lining Biopsy
Biopsy
Endometrial Biopsy
Uterine Biopsy
Cervical Biopsy
Endocervical Sampling
CPT Codes:
58100: Endometrial sampling (biopsy) with or without endocervical sampling (biopsy), without cervical dilation, any method (separate procedure)
Also known as:
Laparoscopic Hysterectomy
Hysterectomy
Laparoscopy
Minimally Invasive Hysterectomy
Keyhole Hysterectomy
Total Laparoscopic Hysterectomy
Uterus Removal Surgery
CPT Codes:
58571: Laparoscopy, surgical, with total hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)
58661: Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)
Also known as:
IUD Insertion
Birth Control
Intrauterine device placement
IUD placement
Birth control implant
CPT Codes:
58300: Insertion of intrauterine device (IUD)
Also known as:
Laparoscopic Removal of Pelvic Lesions
Minimally invasive ovarian lesion removal
Pelvic lesion excision laparoscopy
Peritoneal lesion fulguration
Endometriosis removal surgery
CPT Codes:
58662: Laparoscopy, surgical; with fulguration or excision of lesions of the ovary, pelvic viscera, or peritoneal surface by any method
Also known as:
Cervical Cone Biopsy (LEEP)
LEEP Procedure
Loop Electrosurgical Excision Procedure
Cervical Conization
Cone Biopsy of Cervix
CPT Codes:
57522: Conization of cervix, with or without fulguration, with or without dilation and curettage, with or without repair; loop electrode excision
Also known as:
IUD Removal
Birth Control
Intrauterine device removal
Take out IUD
Remove birth control device
IUD explant
CPT Codes:
58301: Removal of intrauterine device (IUD)
Also known as:
Vulva or Perineum Biopsy (One Lesion)
Genital Skin Biopsy
Perineal Biopsy
Vulvar Lesion Biopsy
CPT Codes:
56605: Biopsy of vulva or perineum (separate procedure); 1 lesion
Does Dr. O'regan accept my insurance?
Dr. O'regan accepts most major insurance plans. Important: Please call our office at (978) 256-1858 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'regan accept in North Chelmsford, MA?
Dr. O'regan in North Chelmsford, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
What is Dr. O'regan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'regan's National Provider Identifier (NPI) number is 1457311821.
What common questions do patients ask about Dr. O'regan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'regan
What is Dr. Neil O'regan's specialty?
Dr. O'regan is a Obstetrician / Gynecologist (OBGYN) near North Chelmsford, MA.
An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life. Contact Dr. O'regan to book an appointment today.
Is this Dr. Neil O'regan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'regan is affiliated with Lowell General Hospital, Tufts Medical Center which are a Castle Connolly
Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their
excellence in specific medical procedures and overall patient care. They are identified through
a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise.
The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the
top 25% nationwide.
Castle Connolly Top Hospitals
Where can I learn more about Obstetrician / Gynecologist (OBGYN)?
Explore Obstetrician / Gynecologist (OBGYN) with insights from trusted medical experts on
EverydayHealth.com, where you'll find
the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more.
See all our health guides to find
trusted information on medical conditions from our experts at Everyday Health.
Is Neil O'regan accepting new patients in North Chelmsford, MA?
Yes, Dr. Neil O'regan is accepting new patients at this time.
Does Dr. Neil O'regan offer online booking?
Please contact Dr. O'regan's office at (978) 256-1858 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Neil O'regan?
Please contact Dr. O'regan's office at (978) 256-1858 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Neil O'regan have?
Dr. Neil O'regan is certified by the American Board of Obstetrics and Gynecology.
Other Obstetrician / Gynecologist (OBGYN) Near North Chelmsford, MA
Dr. Sarah Jane Edwards, DO is an Obstetrician / Gynecologist (OBGYN), who primarily practices in North Chelmsford, MA with 2 additional practice locations.
Dr. Michelle Cochran, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in North Chelmsford, MA with 2 additional practice locations. She is board certified.