Diana Sebastian
Last updated: Mar 12, 2020

Diana Sebastian

  • Gender: Female
  • Sole propriator: Yes
  • NPI: 1316402555

Diana Sebastian MS, APRN, FNP-C

Family Nurse Practitioner

She is located at 571 West Main Street Suite 120 in Lewisville, TX 75057. Can help patients with the following: Acne, Gynecological Exam, Hypertension, Influenza, Insomnia, Obesity. Her National Provider Identifier (NPI) number is 1316402555. Appointment can be made via the phone number (972) 436-7531.

Conditions treated

Diana Sebastian, being an family nurse practitioner, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Diana Sebastian.

  • Acne
  • Allergies
  • Anxiety
  • Arthritis
  • Asthma
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Child or Adolescent
  • Common Cold
  • Depression
  • Diabetes
  • Fever
  • General Care
  • Gynecological Exam
  • Headache
  • High Cholesterol
  • Hypertension
  • Influenza
  • Insomnia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Prescription Refill
  • Sexually Transmitted Diseases (STDs)
  • Weight Loss
  • Women's Health

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Diana Sebastian as in-network for the following 2026 plans.

Health plans

Baylor Scott and White Health Plan

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 10 plans from Baylor Scott and White Health Plan
Baylor Scott and White Health Plan plans
Plan Plan type Network tier New patients
BSW Diabetes Care Gold HMO 014 HMO · Gold Bswpremierhmo Not accepting new patients
BSW Elite Gold HMO 001 (CMS Standardized Plan with $0 Pediatric PCP copay) HMO · Gold Bswpremierhmo Not accepting new patients
BSW Elite Gold HMO 004 HMO · Gold Bswpremierhmo Not accepting new patients
BSW Elite Gold HMO 012 HMO · Gold Bswpremierhmo Not accepting new patients
BSW Prime Silver HMO 003 (CMS Standardized Plan with $0 Pediatric PCP copay) HMO · Silver Bswpremierhmo Not accepting new patients
BSW Prime Silver HMO 008 HMO · Silver Bswpremierhmo Not accepting new patients
BSW Prime Silver HMO 005 HMO · Silver Bswpremierhmo Not accepting new patients
BSW Savers Bronze HMO H S A 006 HMO · Expanded Bronze Bswpremierhmo Not accepting new patients
BSW Savers Bronze HMO H S A 007 (CMS Standardized Plan with $0 Pediatric PCP copay) HMO · Expanded Bronze Bswpremierhmo Not accepting new patients
BSW Savers Bronze HMO H S A 009 HMO · Expanded Bronze Bswpremierhmo Not accepting new patients

Blue Cross and Blue Shield of Texas

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 19 plans from Blue Cross and Blue Shield of Texas
Blue Cross and Blue Shield of Texas plans
Plan Plan type Network tier New patients
Blue Advantage Bronze HMO℠ 204 (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO 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 Diana Sebastian is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Diana Sebastian is enrolled to bill Medicare as a Practitioner - Nurse Practitioner .

Bills through: Healthtexas Provider Network

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.

Looking for more Family Nurse Practitioners?

There are 7 other family nurse practitioners in this region.

Kailey Mccord Turrubiarte
  • Gender: Female
  • Address: Suite 100 571 West Main Street Lewisville, 75057, TX
Dr. George A. Thomas
  • Gender: Male
  • Address: 500 West Main Street Lewisville, 75057, TX
Granville G. Howerton
  • Gender: Male
  • Address: 169 Lake Park Road Lewisville, 75057, TX
Reena Mathew
  • Gender: Female
  • Address: 314 West Main Street Lewisville, 75057, TX
Trinh L. Pham
  • Gender: Female
  • Address: Suite 400 1850 Lakepointe Drive Lewisville, 75057, TX
Melissa Ann Osterloh
  • Gender: Female
  • Address: 9905 South Pennsylvania Avenue Suite A Oklahoma City, 73159, OK
Kathryn King Kremer
  • Gender: Female
  • Address: 200 South Mill Street Lewisville, 75057, TX

Questions & Answers

What conditions does Diana Sebastian treat?

Diana Sebastian provides treatment for Acne, Gynecological Exam, Hypertension, Influenza, Insomnia, Obesity. For the full list see this list.

Where can you meet with Diana Sebastian?

Diana Sebastian's office is located at 571 West Main Street Suite 120 in Lewisville, TX 75057.

Does Diana Sebastian accept insurance?

Diana Sebastian is listed in-network for 29 ACA Marketplace (Obamacare/HealthCare.gov) plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas. See the Marketplace plans section for details.