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Clinic Type

Sleep Medicine

Address

321 Billerica Road, 202, Chelmsford, MA 01824

Phone

978-256-5557

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Sleep Apnea services
  • Sleep Apnea evaluation
  • CPAP therapy
  • Inspire device
  • sleep medicine
  • ENT services (general)

Technology & Equipment

  • CPAP therapy
  • Inspire device

Team

  • K Holly Gallivan — MD MPH
  • Eric Stein — MD
  • Arthur Lauretano — MD FACS

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Divine Smiles (Internal/Practice site): 5.0 (1100+ reviews) (1100+)
  • Trustpilot / RatingFacts (Woburn Dentistry): 4.3 - 5.0 (4 - 10 reviews)
  • Vitals (Winchester Pulmonary & Sleep Center): 3.8

Patients praise

  • Friendly and professional staff
  • Effective personalized treatment options (e.g., oral appliances)
  • Comfortable environment for patients experiencing anxiety

Common complaints

  • Delays in receiving follow-up communication or sleep study results

"I didn’t know how tired I was until I wasn’t tired anymore."

Divine Smiles patient response

"I believe this place is a SCAM. I underwent a sleep study three weeks ago and no one has called me back concerning the results."

Yelp review of Winchester Hospital Sleep Disorder Center

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.

More sleep medicine clinics in Woburn

Woburn, MA·Sleep Medicine

Summary: - Winchester Hospital, part of the BILH (Beth Israel Lahey Health) system, provides comprehensive acute inpatient and extensive outpatient services from its main campus at 41 Highland Ave, Winchester, MA. - Key specialties include cardiology, pulmonary medicine, oncology, gastroenterology, orthopedics, rehabilitation, radiation oncology, pain management, pediatrics, obstetrics/gynecology, and newborn care. - The hospital offers specialty pulmonary medicine services and related sleep medicine, aligning with BILH Specialty Care in the Winchester area and its broader pulmonary/sleep offerings in nearby Woburn. - Main contact: (781) 729-9000. HQ/address listed as 41 Highland Avenue, Winchester, MA 01890.

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Woburn, MA·Sleep Medicine

Summary: Najmuddin S. Patwa, MD is a physician associated with Lahey Health, part of Beth Israel Lahey Health. The Lahey system operates as a nonprofit, physician-led network of hospitals and primary/specialty care centers headquartered in Burlington, MA, with multiple locations in Massachusetts (including Woburn) and overarching services across affiliated entities. If you’re seeking Dr. Patwa’s specific role, specialty, contact details, or Woburn-based clinic information, you may want to check the Lahey Health or Beth Israel Lahey Health physician directory, or contact the Lahey Health Woburn site directly for appointment details.

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