Dr. Gregory S. Willis
- Gender: Male
- Experience: 27 years
- Graduated from: University Of North Texas Hsc, College Of Osteopathic Med
- Graduation year: 1994
- Sole propriator: No
- NPI: 1184605677
Dr. Gregory S. Willis DO
Obstetrician and Gynecologist
He is located at 1703 Innovation Drive Suite 2001 in York, PA 17408. Can help patients with the following: Breastfeeding, Ectopic Pregnancy, Gynecological Exam, Ovarian Cysts, Overactive Bladder (OAB), Vaginitis. His National Provider Identifier (NPI) number is 1184605677. Appointment can be made via the phone number (717) 801-0739. He is affiliated with 2 practices and 4 hospitals.
Conditions treated
Dr. Gregory S. Willis, being an obstetrician and gynecologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Gregory S. Willis.
- Amenorrhea
- Bacterial Vaginosis
- Birth Control Counseling
- Blood in Urine
- Braxton Hicks Contractions
- Breast Cancer
- Breastfeeding
- Breastfeeding and Lactation
- Cancer
- Cervical Cancer
- Cervical Intraepithelial Neoplasia (CIN)
- Chlamydia
- Ectopic Pregnancy
- Endometriosis
- Fibrocystic Breast Disease
- Gestational Diabetes
- Group B Streptococcal Infection (GBS)
- Gynecological Exam
- High Blood Pressure
- Hot Flashes
- Human Papillomavirus (HPV)
- Infertility
- Labor and Birth
- Menopause
- Menstrual Cramps
- Miscarriage
- Morning Sickness
- Osteoporosis
- Ovarian Cancer
- Ovarian Cysts
- Overactive Bladder (OAB)
- Pelvic Inflammatory Disease (PID)
- Pelvic Pain
- Perimenopause
- Placenta Previa
- Polycystic Ovary Syndrome (PCOS)
- Preeclampsia and Eclampsia
- Pregnancy
- Premature Ovarian Failure (POF)
- Premenstrual Dysphoric Disorder (PMDD)
- Premenstrual Syndrome (PMS)
- Prenatal Care
- Sexually Transmitted Diseases (STDs)
- Trichomoniasis
- Urinary Incontinence (UI)
- Urinary Retention
- Urinary Tract Infection (UTI)
- Uterine Cancer
- Uterine Fibroids
- Uterine Growths
- VBAC
- Vaginal Atrophy and Dryness
- Vaginal Bleeding
- Vaginal Cancer
- Vaginal Pain
- Vaginitis
- Women's Health
- Yeast Infection
Procedures Performed by Dr. Gregory S. Willis
Insurances Accepted by Dr. Gregory S. Willis
- Medicare
Medicare Enrollment
Dr. Gregory S. Willis is enrolled to bill Medicare as a Practitioner - Gynecological Oncology (also registered under: Practitioner - Obstetrics/gynecology) .
Bills through: Pinnacle Health Medical Services
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $154 |
| Tesaro | $149 |
| Plasma Surgical | $120 |
Other
| Food and Beverage | $817 |
Studies
UNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated in 1994
Affiliated hospitals
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Questions & Answers
What conditions does Dr. Gregory S. Willis treat?
Dr. Gregory S. Willis provides treatment for Breastfeeding, Ectopic Pregnancy, Gynecological Exam, Ovarian Cysts, Overactive Bladder (OAB), Vaginitis. For the full list see this list.
Where can you meet with Dr. Gregory S. Willis?
Dr. Gregory S. Willis's office is located at 1703 Innovation Drive Suite 2001 in York, PA 17408.
Has Dr. Gregory S. Willis affiliation with hospitals?
Dr. Gregory S. Willis is affiliated with YORK HOSPITAL. For the full list of hospitals see this list.
Does Dr. Gregory S. Willis have affiliation with practices?
Dr. Gregory S. Willis is affiliated with PinnacleHealth Fisher Road Family Practice. For the full list of practices see this list.
Does Dr. Gregory S. Willis accept patients with Medicare?
Yes, Dr. Gregory S. Willis accepts patients with Medicare.