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John M. Koostra, MD

4.6 out of 5 · 18 reviews

Pulmonology • Salinas, CA

About

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John M. Koostra, MD – Natividad: Inspiring healthy lives Salinas - Natividad Medical Center (Natividad Hospital) is a 172-bed, acute-care teaching hospital in Salinas, CA, owned by Monterey County and affiliated with UCSF. - Mission: “Inspiring healthy lives” by providing care to all patients, regardless of ability to pay. - Leadership/Medical staff: Includes physicians and department leaders; Dr. John M. - Services: Level II trauma center; family medicine residency; bariatric surgery center; multiple specialty and primary care clinics; emergency department with ~52,000 visits per year. - Accreditation: Joint Commission; recognized for UCSF affiliation and teaching hospital status on the Central Coast. - Location: 1441 Constitution Blvd, Salinas, CA 93906. Helipad and trauma capabilities noted. - Contact: Main phone (831) 755-4111. If you need further details on Dr.

Clinic Type

Pulmonology

Address

D'Arrigo Family Specialty Services, 1441 Constitution Blvd., Bldg. 200, Salinas, CA 93901

Phone

831-755-4156

Email

nmcfmres@natividad.com

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.natividad.com/doctor_list/john-m-koostra-md/

Services Offered

—

Team

  • John M. Koostra, MD — Pulmonology / Pulmonary Disease

Insurance & Payment

—

Languages Spoken

  • English

Photos

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What Patients Say

Overall sentiment across review platforms: positive

  • WebMD Care: 4.5 out of 5 stars (based on 16 ratings) (16 ratings)
  • Sharecare: 5.0 out of 5 stars (based on 2 ratings) (2 ratings)

Patients praise

  • Thorough and comprehensive examinations
  • Approachable bedside manner
  • Good listener who asks questions
  • Knowledgeable and masterful clinical approach
  • Courteous office staff

Common complaints

  • One patient reported concerns regarding medication management (changing antibiotics without an in-person visit)

"Dr Koostra has a very approachable style. He listens. He asks questions. Then he has a masterful approach, leaving no possibility off of his list. He tests extensively, and he gives you hope that he can find the cause of virtually any medical issue."

— Sharecare

"Dr. John Koostra is bar none the best doctor hands down! He took an oath when he graduated medical school to care for..."

— Yelp

"changed antibiotics 3 times without seeing"

— WebMD Care

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 10, 2026.

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