Justin Grissom, DO

Justin Grissom, DO

Justin Grissom, DO

Family Medicine, Primary Care
Accepting New Patients
No Video Visits Available

About Dr. Justin Grissom

“I prefer to work in a collaborative approach with patients to help them in a holistic pursuit of wellness, which includes acute care of new conditions and ongoing relationships for management of chronic diseases.”

Dr. Justin Grissom graduated from the West Virginia School of Osteopathic Medicine in Lewisburg, West Virginia. He completed a Family Medicine residency program at the Lone Star Family Health Center in Conroe, Texas.

 

Grissom is board certified by the American Board of Family Medicine.

Clinical Interests

Diagnosis and management of chronic illnesses
High blood pressure
Diabetes
Headaches
Children’s health
Minor procedures

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 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
  • Medica Choice with UnitedHealthcare Choice Plus
  • Medicare
  • MEDICARE ADVANTAGE : TEXAN PLUS
  • Medicare Railroad
  • 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
  • American Board of Family Medicine
Medical School
  • West Virginia School of Osteopathic Medicine | Lewisburg, West Virginia
Residency
  • Conroe Medical Education Foundation Family Medicine Residency Program, Lone Star Family Health Center | Conroe, Texas
Affiliated Hospitals
  • Houston Methodist The Woodlands Hospital

Languages

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

FAQ

Can I schedule an appointment online with Dr. Justin Grissom?
Yes, you can schedule an appointment with Dr. Justin Grissom online today.
Is Dr. Justin Grissom accepting new patients?
Yes, Dr. Justin Grissom is accepting new patients. You can view Dr. Justin Grissom's next available appointment and schedule online.
What insurance does Dr. Justin Grissom accept?
See all insurance plans that Dr. Justin Grissom accepts.
What practice does Dr. Justin Grissom work at?
Dr. Justin Grissom works at Houston Methodist Primary Care Group.
Where is Dr. Justin Grissom office located?
How do patients rate Dr. Justin Grissom in reviews?
1415 patients have reviewed Dr. Justin Grissom. The overall rating for this doctor is 4.9/5. You can read individual reviews and ratings on Dr. Justin Grissom's profile.
What languages does Dr. Justin Grissom speak?
Dr. Justin Grissom, or the office, speaks English.
What are Dr. Justin Grissom's specialties?
Dr. Justin Grissom is a specialist in Family Medicine, Primary Care.

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
(1415 Ratings, 264 Comments)
  • 4.9
    Provider discussed treatment options
  • 5
    Provider showed concern
  • 4.9
    Provider explained things clearly
  • 5
    Provider included you in decisions
  • 5
    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 24, 2026
    Dr Grissom explains everything, is never in a rush, and provides excellent care.
  • Sep 22, 2026
    I recommend him all the time.
  • Sep 17, 2026
    Dr Grissom is excellent. Takes time with you. Listens to your concerns. Very intelligent. Great manners.
  • Sep 15, 2026
    It's a good experience and you can tell they care.
  • Sep 12, 2026
    Dr. Grissom's calm and collected demeanor makes him very approachable and easy to talk to. I really appreciate how he listens, proposes various treatment options and explains the pros and cons of each.
  • Sep 12, 2026
    I didn't show a 5 simply because no one is perfect. I really like Dr Grissom and his staff. So far have received great care from them.
  • Sep 5, 2026
    Dr. Grissom was great.....always is!!!