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GLP-1 clinic in Seattle · Telehealth available

Swedish Weight Loss Services - First Hill

1124 Columbia St, #400, Seattle, WA 98104

Medications offered
GLP-1 treatment
Clinical care
Physician-led
Care model
In-person + telehealth
Listing checked
July 2026
Program pricing
Contact for pricing

What this provider offers

GLP-1 weight-loss care in Seattle

Learn how we're the largest MBSAQIP Accredited Comprehensive Center for bariatric surgery in the region.

Swedish Weight Loss Services - First Hill at a glance

  • Swedish Weight Loss Services - First Hill is at 1124 Columbia St, #400 in Seattle, WA.
  • Peter Casterella, MD is named as a prescriber, and that clinician has been matched to a state licensing registry.
  • The site describes GLP-1 weight-loss care without naming a specific medication, so ask which one is prescribed here.
  • Visits happen at the Seattle location, and the site says some can be done by video.
  • No program price is published, which makes the total for a first month the first thing to ask about.

Listing details last checked July 2026 against the clinic's own site. How we verify.

Swedish Weight Loss Services - First Hill is one of 5 GLP-1 clinics listed in Seattle. 2 other clinics in Seattle describe video visits, if getting there in person is the obstacle. One of the others in Seattle publish a program price, which this one does not.

Care team

Clinicians at Swedish Weight Loss Services - First Hill

Watch Peter Casterella, MD

Active credential verified

Credential check

How Swedish Weight Loss Services - First Hill was verified

One clinician at this location was matched to an active license on a state registry. Last checked July 25, 2026.

  • Peter Casterella

    Active license
    License number
    MD.MD.60021469

Checked against data.wa.gov. A license confirms the clinician may practice in Washington; it is not an endorsement of this clinic or its prices.

Provider details

Clinic address
1124 Columbia St, #400, Seattle, WA 98104
Care model
In-person + telehealth
Phone
206-215-2090
Telehealth
No
Insurance accepted
No

Patient experience

Reviews of Swedish Weight Loss Services - First Hill

Editorial scores and paid placement do not affect these reviews.

What to ask Swedish Weight Loss Services - First Hill

Drawn from what this listing does and does not tell you, so the first call settles the total cost and who provides the care.

  • Will Watch Peter Casterella, MD be the clinician who evaluates and prescribes, or someone else on the team?
  • Swedish Weight Loss Services - First Hill does not publish a program price. What does the first month cost in total, and what changes after it?
  • Is any of this billed to insurance, and if not, what does the cash price include — labs, follow-up visits, and dose changes?
  • Which GLP-1 medications do you prescribe, and how is one chosen?
  • Which visits have to happen in Seattle, and which can be done by video?
  • Which pharmacy supplies the medication, and is it dispensed in the clinic?

Common questions

Questions about Swedish Weight Loss Services - First Hill

Which GLP-1 medications does Swedish Weight Loss Services - First Hill prescribe?

Swedish Weight Loss Services - First Hill describes GLP-1 weight-loss care without naming a specific medication on its site. Ask which ones are prescribed and whether compounded preparations are used.

Does Swedish Weight Loss Services - First Hill offer telehealth, or do visits have to be in person?

Swedish Weight Loss Services - First Hill sees patients at its Seattle location and its site describes video visits as well. Ask which appointments have to happen in person, since the first evaluation often does.

Who writes the prescription at Swedish Weight Loss Services - First Hill?

Peter Casterella, MD is named as a prescriber, and that clinician has been matched to a state licensing registry.

What does Swedish Weight Loss Services - First Hill charge for GLP-1 weight-loss treatment?

Swedish Weight Loss Services - First Hill does not publish a program price. Ask for the total first-month cost and what it becomes after, and whether labs and follow-up visits sit inside that figure or outside it.

Where is Swedish Weight Loss Services - First Hill located?

1124 Columbia St, #400, Seattle, WA 98104. It is one of 5 GLP-1 clinics listed in Seattle.

Nearby

Other GLP-1 clinics in Seattle

Worth comparing before booking, since what a program includes and what it charges after the first month differ more between clinics than the medication does.

See every GLP-1 clinic in Seattle