Find a Doctor or Practice Location

You can also search for providers and practices at Penn Medicine Lancaster General Health or Princeton Health.

within
I am searching for a
Reset Form
placeholder image: silhouette of female physician

Dyan O'Brien, CRNP Nurse Practitioner (NP)

Ms. O'Brien is employed by Penn Medicine.

Request a Callback
No Patient Satisfaction Reviews
Why not?

There is no publicly available rating for this medical professional for one of the following reasons:

  1. He or she is not employed by Penn Medicine.
  2. He or she does not see patients in a medical practice setting.
  3. He or she sees patients but has not yet received the minimum 30 patient satisfaction reviews in the past 12 months, ensuring that the rating is statistically reliable and a true reflection of patient satisfaction.
X

Clinical Specialties

Specialty:

  • Obstetrics and Gynecology

Programs & Centers:

Board Certification:

  • Women's Health Nurse Practitioner, 2008

Clinical Expertise:

  • Abdominal Dermoid Cyst
  • Abnormal Pap Smear
  • Adolescent Gynecology
  • Amenorrhea
  • Anal Warts (Condyloma Acuminata)
  • Annual Gynecological Examination
  • Anovulation
  • Anovulatory Bleeding
  • Antepartum Care
  • Asymptomatic Bacteriuria
  • Atrophic Vaginitis
  • Atypical Glandular Cells of Undetermined Significance
  • Atypical Squamous Cells of Undetermined Significance Pap Smear
  • Bacterial Vaginosis
  • Bartholin's Cyst
  • Benign Breast Lump
  • Birth Control
  • Birth Control (Contraception)
  • Birth Control Counseling
  • Bladder Training
  • Bleeding During Intercourse
  • Breast Cancer Prevention and Risk Reduction
  • Breast Examination
  • Breast Lumps and Tumors
  • Breast Pain
  • Breastfeeding
  • Breastfeeding Problems
  • Cancer-Related Sexual Concerns
  • Cervical Cap Fitting
  • Cervicitis
  • Chlamydia Infections
  • Cholestasis of Pregnancy
  • Cystitis
  • Cystodynia
  • Decreased Libido
  • Diabetic and Newly Pregnant
  • Diagnostic Imaging
  • Dyspareunia
  • Dysuria
  • Endometriosis
  • Endometritis
  • Family Planning
  • Female Orgasmic Disorder
  • Female Sexual Dysfunction
  • Fibrocystic Breast Changes
  • First Trimester Screening
  • Follicular Cyst of Ovary
  • Frequent Urinary Tract Infections
  • Galactocele
  • Genital Herpes
  • Gonorrhea
  • Gynecologic Disorders of Athletes
  • Gynecological Exam
  • Heavy Menstrual Bleeding
  • Hormone Replacement Therapy (HRT)
  • Hot Flashes
  • Human Papilloma Virus
  • Hydrosalpinx
  • Hyperemesis
  • Incomplete Emptying of Bladder
  • Incomplete Uterovaginal Prolapse
  • Interstitial Cystitis (IC)
  • Intrauterine Device
  • Irregular Menstruation
  • Labial Adhesions
  • Laceration of Vagina
  • Lactation Disorders
  • Lactation Support
  • Leiomyoma
  • Lichen Sclerosus
  • Long-Acting Reversible Contraceptive
  • Mastitis (Breast Infection)
  • Maternal Obesity
  • Menopausal Symptoms
  • Menopause
  • Menorrhagia
  • Menstrual Disorders
  • Menstrual Disorders in Athletes
  • Menstrual Migraines
  • Menstruation
  • Metrorrhagia (Bleeding between Periods)
  • Miscarriage (Spontaneous Abortion)
  • Missed Periods
  • Morning Sickness
  • Multiple Gestations
  • Natural Birth
  • Nausea from Pregnancy
  • Office Gynecology
  • Oligomenorrhea
  • Oral Contraceptive Counseling
  • Ovarian Cysts
  • Ovarian Failure
  • Ovarian Tumors
  • Painful Menstrual (Dysmenorrhea)
  • Pap Smear
  • Pelvic Abscess
  • Pelvic Adhesions
  • Pelvic Inflammatory Diseases
  • Pelvic Mass
  • Pelvic Muscle Tranining
  • Pelvic Pain
  • Perimenopause
  • Perinatal Depression
  • Perinatal Mental Health Disorders
  • Polycystic Ovary Syndrome (PCOS)
  • POP-Q Exam
  • Postcoital Bleeding
  • Postmenopausal Bleeding
  • Postpartum Check-Up
  • Postpartum Depression
  • Postpartum Mastitis
  • Postpartum Recovery
  • Postpartum Thyroiditis
  • Preconception Counseling
  • Pregnancy
  • Pregnancy Counseling
  • Pregnancy Tests
  • Premature Menopause (Premature Ovarian Insufficiency)
  • Premenstrual Syndrome
  • Prenatal Care
  • Prenatal Screening
  • Preventative Women's Healthcare
  • Previous Stillbirth
  • Primary Ovarian Insufficiency
  • Pruritic Urticarial Papules and Plaques of Pregancy (PUPP)
  • Recurrent Urinary Tract Infection
  • Reproductive Health
  • Retained Tampon
  • Routine Gynecological Care
  • Salpingo-Oophoritis
  • Secondary Amenorrhea
  • Sexual Dysfunction
  • Sexually Transmitted Diseases (STD)
  • Teenage Pregnancy
  • Uterine Abnormality
  • Uterine Bleeding
  • Uterine Fibroid Embolization Counseling
  • Uterine Fibroids (Leiomyomas)
  • Uterine Myoma
  • Uterine Polyps (Endometrial Polyps)
  • Vaginal Abscess
  • Vaginal Atrophy
  • Vaginal Birth After Caesarean Section
  • Vaginal Bleeding
  • Vaginal Bleeding After Hysterectomy
  • Vaginal Discharge
  • Vaginal Disorders
  • Vaginal Dryness
  • Vaginal Infections
  • Vaginal Infections (Vaginitis)
  • Vaginal Intraepithelial Neoplasia
  • Vaginal Itching
  • Vaginal Yeast Infection
  • Vaginismus
  • Vulvar Abscess
  • Vulvar Disease
  • Vulvar Dysplasia
  • Vulvitis
  • Women's Health
Show All Expertise

Practice Locations and Appointments

Hospital Affiliation

Ms. O'Brien is employed by Penn Medicine.

Hospital Privileges:

  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.