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About

Comprehensive Sleep Medicine Associates, PA (CSMA) is a privately held sleep medicine practice serving the Houston metro area (including The Woodlands, Sugar Land, Houston, Austin). Founded in 2006 and headquartered in Sugar Land, TX, CSMA operates five offices across Texas with additional presence in the Philippines and Chile. Services focus on sleep medicine, with a team of about 12 employees. Key locations in Houston-area include The Woodlands, Sugar Land (HQ), and Houston, plus Austin. Contact: 713-588-5857 or 888-503-2762. Website: csma.clinic. LinkedIn: linkedin.com/company/comprehensive-sleep-medicine-associates.

Clinic Type

Sleep Medicine

Address

15423 Creek Bend Drive, Sugar Land, Texas 77478, US

Phone

+1-888-503-2762

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Telehealth

Available

Services Offered

  • Sleep medicine
  • Neurology consultation
  • Sleep testing
  • Telemedicine
  • DME supplies online
  • Sleep education
  • Sleep questionnaires
  • Sleep hygiene guidance
  • Educational events

Team

  • Jerald H Simmons, American Board of Sleep Medicine; Clinical Neurophysiology — MD, Triple-Board Certified in Sleep Medicine, Neurology, Psychiatry, and Clinical Neurophysiology
  • Maggie Lavender, Board-Certified Family Nurse Practitioner; Sleep Disorders Medicine; Neurology — Family Nurse Practitioner
  • Stormy Lopez, Family Nurse Practitioner — Family Nurse Practitioner

Insurance & Payment

  • AETNA - AHF CHOICE POS II
  • AETNA - CHOICE POS
  • AETNA - HMO (REFERRAL REQUIRED)
  • AETNA - MEDICARE ADVANTAGE PLAN
  • AETNA - MEDICARE SUPPLEMENTAL PLAN
  • AETNA - MERITAIN
  • AETNA - OPEN ACCESS AETNA SELECT EPO
  • AETNA - SIGNATURE PPO
  • BANKERS FIDELITY
  • BCBS - EPO
  • BCBS - FEDERAL PLANS FEP
  • BCBS - HMO/POS (REFERRAL REQUIRED)
  • BCBS - PPO
  • BOOMY HEALTH PHCS
  • BOON CHAPMAN
  • CIGNA - MEDICARE SUPPLEMENT
  • CIGNA - NALC PPO
  • CIGNA - OPEN ACCESS
  • COLONIAL PENN LIFE INSURANCE
  • HUMANA - CHOICE PPO
  • HUMANA - PPO
  • IMAGINE HEALTH
  • LIBERTY HEALTH SHARE
  • MANHATTAN LIFE INSURANCE
  • MEDICARE PART B
  • MULTIPLAN NETWORK
  • MUTUAL OF OMAHA
  • PHYSICIANS MUTUAL
  • SANA BENEFITS
  • TRICARE - PRIME (REFERRAL REQUIRED)
  • UHC - AARP
  • UHC - CHOICE PLUS POS
  • UHC - EPO
  • UHC - MEDICARE ADVANTAGE
  • UHC - NEXUSACO OAP
  • UHC - SUREST
  • UHCSS - UHC SHARED SERVIES
  • UMR - UHC NETWORK
  • UNITED WORLD INSURANCE
  • WELLMED - DUAL COMPLETE (REFERRAL REQUIRED)
  • WELLMED - MEDICARE ADVANTAGE HMO (REFERRAL REQUIRED)
  • WELLMED - MEDICARE ADVANTAGE PPO

Languages Spoken

  • English

Current Offers

New patient offers

FAQs

What questions do you have about sleep?

There are answers about sleep; CSMA offers online sleep survey for potential patients.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • rater8 (Southwest Pulmonary and Sleep Center): 4.9/5 (185 ratings)
  • Google Reviews (Critical Care Medicine/Sleep Clinic): 2.2/5 (16 reviews)
  • Better Business Bureau (Comprehensive Sleep Medicine Associates): C+

Patients praise

  • High satisfaction with clinical expertise and effective diagnoses
  • Doctors described as knowledgeable, informative, and patient-focused
  • Some clinics noted for cleanliness and minimal wait times
  • Reports of significant improvement in sleep conditions after treatment

Common complaints

  • Reports of rude or unprofessional office staff
  • Difficulties with appointment scheduling, follow-ups, and communication
  • Concerns regarding administrative delays, insurance handling, and billing disputes
  • Occasional complaints about doctor bedside manner or perceived lack of thoroughness
  • BBB profile noting failure to respond to a complaint

"Phenomenal Sleep Specialist! After months of uncertainty, we finally received the right diagnosis from Dr. Bashar Zleik."

Provider Match Review (Dr. Bashar Zleik)

"I would definitely do NOT recommend any one to come here or bring a family member... The ladies at the front desk where rude."

Google Review (Sleep Clinic Sugar Land)

"Very unprofessional office, no one answers emails, calls, or texts After the consultation, they missed my follow up appointments twice."

Healthgrades (Dr. Olatunji Olaoye)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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