Karen L. Louie, DO

Karen L. Louie, DO

Karen L. Louie, DO

Breast Surgery, Breast Surgical Oncology
Accepting New Patients
Video Visits Available

About Dr. Karen L. Louie

"I believe that every patient deserves personalized care and clear communication throughout their treatment journey. My approach is to empower patients and their families by providing comprehensive information about their diagnosis and treatment options, ensuring they feel supported and informed every step of the way."

Dr. Karen Louie grew up in Brooklyn, NY, and earned her medical degree from the New York College of Osteopathic Medicine. She completed her General Surgery residency at NYU Langone-Brooklyn, followed by a Breast Surgical Oncology fellowship at Christiana Care Hospital. Dr. Louie is board-certified in General Surgery and specializes in managing both malignant and benign breast diseases. Her clinical focus includes the development of personalized treatment plans in collaboration with multidisciplinary teams to ensure seamless patient care. In addition to her clinical practice, Dr. Louie is an active member of the American Society of Breast Surgeons and the Society for Surgical Oncology, and she serves on the board of the Delaware Breast Cancer Coalition. She is dedicated to advancing breast surgical oncology through research, publications, and participation in national conferences.

Clinical Interests

  • Atypical hyperplasia
  • Benign breast disease
  • Breast cancer
  • Breast cancer genetics
  • Breast surgery
  • Carcinoma in situ
  • High breast cancer risk
  • Male breast cancer
  • Phyllodes tumor

Accepted Insurance Plans

  • (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIALS FROM UHC EP-1 (PPO) **
  • (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC EP-3 (PPO) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC EP-2 (PPO) **
  • (WELLMED) AARP MEDICARE ADVANTAGE CareFlex FROM UHC TX-44 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE CareFlex FROM UHC TX-45 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIAL FROM UHC TX-21 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE ESSENTIAL FROM UHC TX-22 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC TX-27 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE EXTRA FROM UHC TX-28 (HMO-POS)**
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-35 (HMO-POS) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-38(HMO-POS) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-39 (HMO-POS) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-40 (HMO-POS) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-41 (HMO-POS) **
  • (WELLMED) AARP MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-47 (HMO-POS) **
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-005
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-013
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-014
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-021
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-025
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-31 (PPO)** H1278-026
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-32 (PPO)** H1278-022
  • (WELLMED) MEDICARE ADVANTAGE GIVEBACK FROM UHC TX-34 (PPO)** H1278-024
  • (WELLMED) SECURE HORIZON MEDICARE ADVANTAGE TX-0023 (HMO-POS)**
  • (WELLMED) SECURE HORIZON MEDICARE ADVANTAGE TX-0025 (HMO-POS)**
  • Aetna Affordable Health Choices
  • Aetna APCN Plus Multi-Tier HM Tier 2
  • Aetna Choice POS / Open Choice
  • Aetna Common Spirit Minimum Value Plan
  • Aetna CommonSpirit Health KelseyCare
  • Aetna EPO
  • Aetna Health Network
  • Aetna HMO
  • Aetna International
  • Aetna Managed Choice / Elect Choice
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna Medicare Dual Complete Plan (HMO D-SNP)
  • Aetna Medicare HMO Prime
  • Aetna Meritain Hlth/Aetna Premier Care (APCN)
  • Aetna Open Access
  • Aetna POS
  • Aetna PPO
  • Aetna Premier Care Network
  • Aetna QPOS
  • Aetna Select
  • Aetna Signature Administrators
  • Aetna Signature Administrators Allied Benefits
  • Aetna Signature Administrators CoreSource
  • Aetna Signature Administrators EBMS
  • Aetna Signature Administrators MODA
  • Aetna Student Health
  • Aetna Transplant
  • Aetna TX Pref Plus II Network
  • Aetna Workers' Comp
  • All Saver/United Healthcare
  • BCBS PPO GUIDESTONE
  • BCBS PPO Wespath
  • Best Doctors International
  • Bind Surest UHC
  • Blue Choice POS
  • Blue Choice PPO
  • Blue Cross Blue Shield EPO
  • Blue Cross Blue Shield FEP Federal Employee Plan
  • Blue Cross Blue Shield Medicare Advantage Out of State
  • Blue Cross Blue Shield Medicare Advantage PPO/UT Care
  • Blue Cross Blue Shield POS
  • Blue Cross Blue Shield PPO
  • Blue Edge
  • Blue Essentials
  • Blue Essentials Access
  • Cigna Allegiance Houston Methodist Employee Medical Plan
  • Cigna Allegiance OAP
  • Cigna Allegiance PPO
  • Cigna APWU
  • Cigna C-24 Network
  • Cigna Choice Fund
  • Cigna EPO
  • Cigna Global Health Benefits (International)
  • Cigna Great West
  • Cigna HMO
  • Cigna Indemnity
  • Cigna LocalPlus
  • Cigna NALC
  • Cigna Network
  • Cigna Network Open Access
  • Cigna Open Access
  • Cigna Open Access Plus (OAP)
  • Cigna POS
  • Cigna PPO
  • Cigna Qualcare
  • Cigna Shared Administration OAP
  • Cigna Shared Administration PPO
  • Cigna SureFit
  • Community Health Choice Medicare Advantage HMO DSNP
  • Community Health Choice PREMIER Gold
  • Community Health Choice PREMIER Silver
  • Coventry PPO
  • DEVOTED CORE 001 TX (HMO)
  • DEVOTED CORE 019 TX (HMO)
  • DEVOTED C-SNP Plus 031 TX (HMO C-SNP)
  • DEVOTED C-SNP Premium 030 TX (HMO C-SNP)
  • DEVOTED DUAL 010 TX (HMO D-SNP)
  • DEVOTED DUAL FULL 040 (HMO D-SNP)
  • DEVOTED GIVEBACK 006 TX (HMO)
  • DEVOTED HEALTH DUAL PLUS GREATER HOUSTON
  • DEVOTED PREMIUM 002 (HMO)
  • Entrust/90 Degree EDI Payer ID# 36878
  • First Health PPO
  • GeoBlue
  • HAA Preferred Partners (International)
  • HealthSmart Accel PPO
  • HealthSmart Payors Organization
  • HealthSmart PPO
  • Healthspring/Cigna MCR HMO
  • Healthspring/Cigna MCR PPO
  • Healthspring/Cigna MCR Total Care Dual
  • HMO Blue
  • Humana Medicare Advantage Choice PPO
  • Humana Medicare Advantage Gold Plus/Choice
  • Humana Medicare Advantage HMO
  • Humana Medicare Advantage PPO
  • Humana TRICARE 2
  • Kelsey Seybold Affiliate Network
  • Medica Choice with UnitedHealthcare Choice Plus
  • Medicare
  • MEDICARE ADVANTAGE : TEXAN PLUS
  • Molina Marketplace Exchange
  • Molina Medicare Complete Care HMO (Dual) HIDE
  • Molina Medicare Complete Care Plus (HMO Dual-SNP) FIDE
  • MultiPlan PPO
  • Olympus Managed Care (International)
  • PHCS Healthy Directions
  • PHCS MEDI-SHARE
  • PHCS PPO
  • PHCS/Multiplan Practitioner & Ancillary Only
  • ProCare Medicare Advantage
  • Sana Benefits
  • Three Rivers Provider Network
  • TRS-ActiveCare 2 Group 385002
  • TRS-ActiveCare Fully Insured Plan-South Texas Region Group 295430
  • TRS-ActiveCare Fully Insured Plan-West Texas Region Group 295781
  • TRS-ActiveCare HD Group 385000
  • TRS-ActiveCare Primary Group 385003
  • TRS-ActiveCare Primary Plus Group 385001
  • TRS-Care Standard ALT A I Group 485002
  • TRS-Care Standard ALT A II Group 485003
  • TRS-Care Standard ALT B I Group 485005
  • TRS-Care Standard ALT B II Group 485006
  • TRS-Care Standard CMED Group 485001
  • TRS-Care Standard Group 485000
  • TX Annual Conf of UMC-UMR
  • UHC COMPLETE CARE SUPPORT TX-1A (REGIONAL PPO C-SNP)** R6801-008
  • UHC Complete Care TX-16 (HMO-POS C-SNP)** H4527-039
  • UHC Complete Care TX-17 (HMO-POS C-SNP)** H4527-040
  • UHC Complete Care TX-18 (HMO-POS C-SNP)** H4527-041
  • UHC Complete Care TX-19 (HMO-POS C-SNP)** H4527-042
  • UHC COMPLETE CARE TX-29 (REGIONAL PPO C-SNP)** R6801-009
  • UHC DUAL COMPLETE TX-S001 (REGIONAL PPO D-SNP)** R6801-011
  • UHC GR MA HALLIBURTON HMO 137 ** H0609-822-137
  • UHC GR MA LOCKHEED HMO 164 ** H0609-822-164
  • UHC GR MA RIO TINTO SERVICE
  • UHC GR MA TEACHER RETIREMENT SYSTEM HMO 199** H0609-822-207
  • UHC GR MA VERIZON HMO 207** H0609-822-207
  • UHC MEDICARE ADVANTAGE TX-0030 (REGIONAL PPO)** R6801-012
  • UMR
  • United Health Integrated Services
  • United HealthCare Community Plan Dual Complete (HMO SNP)
  • United Healthcare Nexus ACO RA or OA
  • United Healthcare Plan of the River Valley
  • UnitedHealthcare Choice
  • UnitedHealthcare ChoicePlus
  • UnitedHealthcare Core
  • UnitedHealthcare Core Plus
  • UnitedHealthcare EPO
  • UnitedHealthcare Golden Rule
  • UnitedHealthcare HMO
  • UnitedHealthcare Navigate
  • UnitedHealthcare Navigate Plus
  • UnitedHealthcare Options PPO
  • UnitedHealthcare Oxford
  • UnitedHealthcare POS
  • UnitedHealthcare PPO
  • UnitedHealthcare Student Resources
  • UnitedHealthcare West
  • UnitedHealthOne
  • US Family Health Plan
  • WellMed AARP Medicare Advantage Choice PPO
  • WellMed AARP Medicare Advantage Plan 1 & Plan 2
  • WellMed Medicare Advantage Choice PPO
  • WellMed Medicare Advantage Patriot
  • WellMed UHC Dual Complete HMO D-SNP
  • WellMed UnitedHealthCare Dual Complete Choice (Regional PPO D-SNP)
  • WellMed UnitedHealthCare Medicare Advantage Choice (Regional PPO)
  • WellMed UnitedHealthCare Medicare Gold (Regional PPO C-SNP)
  • WellMed UnitedHealthCare Medicare Silver (Regional PPO C-SNP)
  • Wellpoint Chronic Care (HMO C-SNP)
  • Wellpoint Dual Advantage (HMO D-SNP)
  • Wellpoint Dual Advantage 2 (HMO D-SNP)
  • WELLPOINT ESSENTIALS MARKETPLACE
  • Wellpoint Full Dual Advantage (HMO D-SNP)
  • Wellpoint Full Dual Advantage 2 (HMO D-SNP)
  • Wellpoint Home Care (HMO C-SNP)
  • Wellpoint Kidney Care (HMO C-SNP)
  • Wellpoint Kidney Care (HMO-POS C-SNP)
  • Wellpoint Lung Care (HMO C-SNP)
  • Wellpoint Medicare Advantage 2 (HMO)
  • Wellpoint Select (HMO)
Insurance plans may change. Please verify your plan is accepted when scheduling an appointment.

Credentials

Board Certification
  • General Surgery | American Board of Surgery | 2021
Fellowship
  • Breast Surgical Oncology | Christiana Care Hospital | 2020
Residency
  • General Surgery | NYU Langone | 2019
Doctorate
  • New York College of Osteopathic Medicine | 2014
Graduate
  • Immunology and Infectious disease | University at Albany, School of Public Heath | 2008
Undergraduate
  • Major in biotechnology, Minor in microbiology | Pennsylvania State University | 2005
Affiliated Hospitals
  • Houston Methodist The Woodlands Hospital
Center Memberships
  • Houston Methodist Dr. Mary and Ron Neal Cancer Center

Languages

  • English
Languages listed are spoken by doctor and/or office staff.

FAQ

Can I book an appointment with Dr. Karen L. Louie?
Yes. Please contact the physician's office directly at 936.270.3655 to schedule an appointment or call 713.790.3333 for assistance in finding another doctor.
What insurance does Dr. Karen L. Louie accept?
See all insurance plans that Dr. Karen L. Louie accepts.
What practice does Dr. Karen L. Louie work at?
Dr. Karen L. Louie works at Houston Methodist Department of Surgery.
Where is Dr. Karen L. Louie office located?
How do patients rate Dr. Karen L. Louie in reviews?
291 patients have reviewed Dr. Karen L. Louie. The overall rating for this doctor is 4.9/5. You can read individual reviews and ratings on Dr. Karen L. Louie's profile.
What languages does Dr. Karen L. Louie speak?
Dr. Karen L. Louie, or the office, speaks English.
What are Dr. Karen L. Louie's specialties?
Dr. Karen L. Louie is a specialist in Breast Surgery, Breast Surgical Oncology.

Patient Ratings & Comments

What is a Patient Rating score?
The Patient Rating score is an average of all responses to physician related questions on our independently administered Patient Satisfaction Survey.
How are responses measured?
Responses are measured on a scale of 1 to 5, with 5 being the best score.
4.9 out of 5
(291 Ratings, 66 Comments)
  • 4.9
    Provider discussed treatment options
  • 4.9
    Provider showed concern
  • 5
    Provider explained things clearly
  • 4.9
    Provider included you in decisions
  • 4.9
    Likelihood of recommending this provider
Comments also are gathered from our Patient Satisfaction Survey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
  • Sep 1, 2026
    Patience, kind and caring
  • Aug 20, 2026
    My doctor is an intelligent, caring IndividualI felt that I am In good hands and I will be okI am lucky for having her as my doctor..
  • Aug 14, 2026
    Dr. Louie showed great concern and patience. All questions posed were answered clearly and thoroughly. Explanation of the upcoming treatment process was made clear while taking my concerns into consideration every step of the way.
  • Jul 29, 2026
    Dr. Louie was very helpful and provided me with other medical resources for my inquiry on bone density and the side effects of the estrogen blocker I take
  • Jul 26, 2026
    Dr Louie is wonderful! She is the type of doctor I need. I have worries about reoccurrence of cancer and she answered all questions.
  • Jul 23, 2026
    Dr.Louie is very good. She listened, went over what was going on and what my options were. Very thorough. I like her.
  • Jul 21, 2026
    Dr. Louie took time to explain all of my testing, explained treatment options thoroughly and listen to my concerns.