John Tarnowski
Last updated: Feb 11, 2022

John Tarnowski

  • Gender: Male
  • Sole propriator: Yes
  • NPI: 1417506445

John Tarnowski

Physician Assistant

He is located at 770 Kapiolani Boulevard Suite 705 in Honolulu, HI 96813. His National Provider Identifier (NPI) number is 1417506445. Appointment can be made via the phone number (808) 597-8778.

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list John Tarnowski as in-network for the following 2026 plans.

Health plans

HMSA

Network data as of Sep 14, 2026, as reported by the insurer.

Show all 7 plans from HMSA
HMSA plans
Plan Plan type Network tier New patients
HMSA Bronze PPO I PPO · Expanded Bronze Preferred Provider Plan Accepting new patients
HMSA Bronze PPO II HSA PPO · Expanded Bronze Preferred Provider Plan Accepting new patients
HMSA Catastrophic Plan PPO · Catastrophic Preferred Provider Plan Accepting new patients
HMSA Gold PPO I PPO · Gold Preferred Provider Plan Accepting new patients
HMSA Gold PPO II PPO · Gold Preferred Provider Plan Accepting new patients
HMSA Platinum PPO PPO · Platinum Preferred Provider Plan Accepting new patients
HMSA Silver PPO PPO · Silver Preferred Provider Plan Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean John Tarnowski is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

John Tarnowski is enrolled to bill Medicare as a Practitioner - Physician Assistant .

Bills through: Cep America - California

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Additional Specialities

  • Resident

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Savannah Rae Klingshirn
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Stephanie Lynn Foltzer
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Veronica Ann Gomez
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Mandi Sue Breyman
  • Gender: Female
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Jesse Blanton
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  • Address: 770 Kapiolani Boulevard Honolulu, 96813, HI
Amber E. Halley
  • Gender: Female
  • Address: 888 South King Street Honolulu, 96813, HI
Dylan S. Everett
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  • Address: 888 South King Street Honolulu, 96813, HI
Laura Colleen Reifsteck
  • Gender: Female
  • Address: 2021 K Street Northwest Suite 600 Washington, 20006, DC

Questions & Answers

Does John Tarnowski accept insurance?

John Tarnowski is listed in-network for 7 ACA Marketplace (Obamacare/HealthCare.gov) plans from HMSA. See the Marketplace plans section for details.

Where can you meet with John Tarnowski?

John Tarnowski's office is located at 770 Kapiolani Boulevard Suite 705 in Honolulu, HI 96813.