David M. Margelli | Seattle, WA | Sleep Specialist

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David Margelli works in Seattle, WA and specializes in Sleep Medicine. David Margelli is affiliated with Swedish Medical Center Cherry Hill Campus.

accepting new patients
4.9

302 Ratings
43 insurance plans accepted
speaks English
302 written reviews
1 specialty
1 area of expertise
1 hospital affiliation
1 office location
Male

Patients consistently praise Dr. David M. Margelli for his exceptional care, attentiveness, and expertise in sleep medicine, noting his ability to listen and provide patient-centered solutions. Many describe him as knowledgeable and personable, with a supportive approach that makes them feel cared for and valued. On the other hand, some patients express dissatisfaction with aspects unrelated to Dr. Margelli's direct care, such as delayed staff responses to emails and issues with CPAP equipment suppliers. Overall, even those with minor complaints recognize Dr. Margelli's professionalism and commitment to addressing their health concerns effectively.

AI-generated from the text of patient reviews

302 ratings & reviews

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Showing 1 to 10 of 302 reviews

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I have high expectations of all my medical teams. David Margelli is top notch in his field, Great guy and always follows up with me, the best there is.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 17th, 2026 | Source: Partner

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David Margelli's support staff was the most competent, courteous and helpful of any front office staff I have dealt with at M&J/Swedish. Many others could learn from them.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 17th, 2026 | Source: Partner

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Thank you for your services and support.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 14th, 2026 | Source: Partner

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My care provider is an excellent!

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 12th, 2026 | Source: Partner

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The Sleep Clinic was amazingly helpful and caring, they all answered my questions and concerns. They are simply amazing a d knowledgeable professionals.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 9th, 2026 | Source: Partner

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David Margelli is a very caring professional who always has his patients' best interests at heart. I have experienced excellent sleep due to his care and treatment.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 8th, 2026 | Source: Partner

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Excellent continuing care!

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 8th, 2026 | Source: Partner

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This visit was to ask questions about my CPAP machine and about my options to treat my sleep apnea. I feel that after talking to my doctor about my condition that my best option is to stay with a CPAP machine.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

August 18th, 2026 | Source: Partner

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Excellent provider - knowledgeable, generous with helpful information, caring, always prepared for his appointments.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

August 18th, 2026 | Source: Partner

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Great patient, Doctor relationship!

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

August 15th, 2026 | Source: Partner

Swedish Sleep Medicine - Cherry Hill

550 17th Ave Ste A20Seattle, WA 98122

Tel: (425) 498-2332

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


David M Margelli	Dr. Brian Martin Wall	Dr. Allison Kazumi Ikeda	Dr. Carey Terra Taute
Sleep Medicine	Internal Medicine	Otolaryngology-Head & Neck Surgery	Neurology
Accepts New Patients		Accepts New Patients	Accepts New Patients
4.9 (302 Ratings)	0 (0 Ratings)	0 (0 Ratings)	0 (0 Ratings)
	6 Years of Experience	8 Years of Experience	19 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
Speaks English
Seattle , WA	Seattle , WA	Seattle , WA	Everett , WA
	Med School: University Of Iowa	Med School: Emory University School Of Medicine	Med School: Rush Medical College Of Rush University Medical Center
Current Profile	View Profile	View Profile	View Profile

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Sleep Medicine

Physician Assistant

David M Margelli holds an expired medical license in the state of Washington.

Medical License

Physician Assistant with an expired medical license in the state of Washington that expired in 2026.

NPI Number

David M Margelli's NPI number is 1003990714.

Jeremy Ho Mun Chan
Pediatrics
11 Years Exp | Seattle, WA
(0)
Dr. Meredith Jung Hee Broderick, MD
Sleep Medicine
23 Years Exp | Bellevue, WA
(19)
Dr. Yoon Hee Amy Chang, MD
Sleep Medicine
20 Years Exp | Kirkland, WA
(0)
Alice J Coad
Nurse Practitioner
| Bothell, WA
(0)
Dr. Stanley Chen, MD
Sleep Medicine
41 Years Exp | Bellevue, WA
(2)
Dr. Ian Lee
Sleep Medicine
10 Years Exp | Seattle, WA
(0)
Dr. Craig Alan Brooker, MD
Neurology
20 Years Exp | Bellevue, WA
(7)
Dr. Younghoon Kwon, MD
Cardiology
27 Years Exp | Seattle, WA
(0)
Dr. Zainab Adnan Abdulmaged Al-Tameemi
Internal Medicine
15 Years Exp | Seattle, WA
(0)
Dr. Ruth Wangui Deya
Internal Medicine
22 Years Exp | Seattle, WA
(0)

What languages does David Margelli speak?: David Margelli speaks English.
How can I make an appointment with David Margelli?: You can find contact information for David Margelli here on Vitals.
Which hospitals is David Margelli affiliated with?: David Margelli is affiliated with Swedish Medical Center Cherry Hill Campus.
Does David Margelli accept my insurance?: You can see the insurance plans that David Margelli accepts on their Vitals profile.
Is David Margelli accepting new patients?: David Margelli is accepting new patients on Vitals. View David Margelli's profile on Vitals to make an appointment.

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