Dr. Katherine Diase
- Gender: Female
- Experience: 24 years
- Graduated from: University Of Texas Southwestern Medical School At Dallas
- Graduation year: 1997
- Sole propriator: No
- NPI: 1003807801
Dr. Katherine Diase MD
Obstetrician and Gynecologist
She is located at 16651 Southwest Freeway Suite 200 in Sugar Land, TX 77479. Can help patients with the following: Breastfeeding, Group B Streptococcal Infection (GBS), Premature Ovarian Failure (POF), Prenatal Care, Trichomoniasis, Uterine Fibroids. Her National Provider Identifier (NPI) number is 1003807801. Appointment can be made via the phone number (713) 774-5131. She is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Katherine Diase, 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. Katherine Diase.
- 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. Katherine Diase
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Katherine Diase as in-network for the following 2026 plans.
Health plans
Community Health Choice
Network data as of Jan 28, 2026, as reported by the insurer.
Show all 18 plans from Community Health Choice
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Premier Bronze 003 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Premier Bronze 018 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Premier Gold 005 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Preferred | Accepting new patients |
| Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Premier Gold 021 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Gold | Preferred | Accepting new patients |
| Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Premier Silver 012 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Preferred | Accepting new patients |
| Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Premier Silver 020 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Silver | Preferred | Accepting new patients |
| Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| Community Select Bronze 016 (No deductible for PCP, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Gold | Non Preferred | Accepting new patients |
| Community Select Gold 022 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Silver | Non Preferred | Accepting new patients |
| Community Select Silver 019 (No deductible for PCP, Specialist, Urgent Care & Generics, $0 PCP 24/7 Virtual Care Options) (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
WellPoint
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 21 plans from WellPoint
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellpoint Essential Bronze 4000 HSA (+ Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 6000 Adult Dental/Vision ($0 Virtual PCP+$0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Catastrophic (+ Incentives) | HMO · Catastrophic | Participating | Accepting new patients |
| Wellpoint Essential Gold 1500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 700 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 3500 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 2500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 4000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | 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. Katherine Diase 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. Katherine Diase is enrolled to bill Medicare as a Practitioner - Obstetrics/gynecology .
Bills through: Tmh Physician Associates Pllc
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
| Pfizer | $203 |
| Hologic | $120 |
| Noven | $105 |
Other
| Food and Beverage | $1587 |
Studies
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated in 1997
Affiliated hospitals
Looking for more Obstetrician and Gynecologists?
Out of the 29 obstetrician and gynecologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 12303 Northeast 130th Lane Suite 420 Kirkland, 98034, WA
- Gender: Male
- Address: 3525 Town Center Boulevard South Sugar Land, 77479, TX
- Gender: Male
- Address: Suite 200 16651 Southwest Freeway Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 225 16659 Southwest Freeway Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 430 17510 West Grand Parkway South Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 200 16651 Southwest Freeway Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 235 16659 Southwest Freeway Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 102 2507 Williams Trace Boulevard Sugar Land, 77479, TX
- Gender: Female
- Address: Suite 200 16651 Southwest Freeway Sugar Land, 77479, TX
Questions & Answers
Does Dr. Katherine Diase have affiliation with practices?
Dr. Katherine Diase is affiliated with Southwest OB/GYN Association.
Where can you meet with Dr. Katherine Diase?
Dr. Katherine Diase's office is located at 16651 Southwest Freeway Suite 200 in Sugar Land, TX 77479.
Does Dr. Katherine Diase accept patients with Community Health Choice?
Yes, Dr. Katherine Diase is listed in-network for Community Health Choice through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Katherine Diase treat?
Dr. Katherine Diase provides treatment for Breastfeeding, Group B Streptococcal Infection (GBS), Premature Ovarian Failure (POF), Prenatal Care, Trichomoniasis, Uterine Fibroids. For the full list see this list.
Has Dr. Katherine Diase affiliation with hospitals?
Dr. Katherine Diase is affiliated with MEMORIAL HERMANN HOSPITAL SYSTEM. For the full list of hospitals see this list.