Dr. Marissa N. Largoza
- Gender: Female
- Experience: 27 years
- Graduated from: Jefferson Medical College Of Thomas Jefferson University
- Graduation year: 1994
- Sole propriator: Yes
- NPI: 1720183312
Dr. Marissa N. Largoza MD
Obstetrician and Gynecologist
She is located at 4499 Medical Drive Suite 191 in San Antonio, TX 78229. Can help patients with the following: Breast Cancer, Ectopic Pregnancy, Labor and Birth, Ovarian Cancer, Premenstrual Dysphoric Disorder (PMDD), Urinary Tract Infection (UTI). Her National Provider Identifier (NPI) number is 1720183312. Appointment can be made via the phone number (210) 692-0404. She is affiliated with 1 practices.
Conditions treated
Dr. Marissa N. Largoza, 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. Marissa N. Largoza.
- 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. Marissa N. Largoza
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marissa N. Largoza as in-network for the following 2026 plans.
Health plans
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Marissa N. Largoza is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Marissa N. Largoza is enrolled to bill Medicare as a Practitioner - Obstetrics/gynecology .
Bills through: Marissa N. Largoza, M.d., P.a.
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Roche | $443 |
| Merck | $369 |
| Duchesnay Usa | $310 |
Other
| Food and Beverage | $3145 |
Studies
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated in 1994
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Questions & Answers
Does Dr. Marissa N. Largoza have affiliation with practices?
Dr. Marissa N. Largoza is affiliated with K & L OB/GYN Inc..
Does Dr. Marissa N. Largoza accept patients with Harbor Health?
Yes, Dr. Marissa N. Largoza is listed in-network for Harbor Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Marissa N. Largoza?
Dr. Marissa N. Largoza's office is located at 4499 Medical Drive Suite 191 in San Antonio, TX 78229.
What conditions does Dr. Marissa N. Largoza treat?
Dr. Marissa N. Largoza provides treatment for Breast Cancer, Ectopic Pregnancy, Labor and Birth, Ovarian Cancer, Premenstrual Dysphoric Disorder (PMDD), Urinary Tract Infection (UTI). For the full list see this list.