Dr. William George Obana
Dr. William G. Obana
Last updated: Jan 7, 2013

Dr. William G. Obana

  • Gender: Male
  • Experience: 34 years
  • Graduated from: University Of California, San Francisco School Of Medicine
  • Graduation year: 1987
  • Sole propriator: Yes
  • NPI: 1497738686

Dr. William G. Obana M.D.

Neurosurgeon

He is located at 1380 Lusitana Street Suite #410 in Honolulu, HI 96813. Can help patients with the following: Brain Cancer, Brain Damage, Cancer, Enlarged Spleen, Heart Disease, Spinal Stenosis. His National Provider Identifier (NPI) number is 1497738686. Appointment can be made via the phone number (808) 523-9993. He is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. William George Obana, being an neurosurgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William G. Obana.

  • Achalasia
  • Acoustic Neuroma
  • Anal Fissure
  • Appendicitis
  • Boils
  • Brain Aneurysm
  • Brain Cancer
  • Brain Damage
  • Brain Hemorrhage
  • Brain Lesions
  • Cancer
  • Cauda Equina Syndrome
  • Cerebral Aneurysm
  • Cervical Radiculopathy
  • Colon Cancer
  • Concussion
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Herniated Disc
  • Hydrocephalus
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Neck Pain
  • Pancreatitis
  • Paralysis
  • Peptic Ulcer
  • Peripheral Nerve Tumors
  • Pilonidal Cyst
  • Pinched Nerve
  • Pseudotumor Cerebri
  • Quadriplegia
  • Sebaceous Cyst
  • Spinal Cord Injury
  • Spinal Stenosis
  • Spondylosis
  • Traumatic Brain Injury
  • Ulcerative Colitis

Procedures Performed by Dr. William G. Obana

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William G. Obana 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 Dr. William G. Obana 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

Dr. William G. Obana is enrolled to bill Medicare as a Practitioner - Neurosurgery .

Bills through: William G Obana Md Inc

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.

Payments received

Drug payment

Depuy $223

Other

Food and Beverage $224

Studies

UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE

Graduated in 1987

Additional Specialities

  • Specialist
  • Surgeon

Affiliated practices

Nephrology Consultants
1380 Lusitana Street
Honolulu, 96813 HI
(808) 521-3802
William G Obana MD
1380 Lusitana Street
Honolulu, 96813 HI
(808) 523-9993

Affiliated hospitals

THE QUEENS MEDICAL CENTER
1301 PUNCHBOWL ST
HONOLULU, 96813 HI
(808) 538-9011

Looking for more Neurosurgeons?

There are 8 other neurosurgeons in this region.

Dr. Mark S. Gerber
  • Gender: Male
  • Address: 888 South King Street Honolulu, 96813, HI
Dr. Daniel J. Donovan
  • Gender: Male
  • Address: Suite 1009 1380 Lusitana Street Honolulu, 96813, HI
Dr. Jon F. Graham
  • Gender: Male
  • Address: 14785 Old Saint Augustine Road Suite 100 Jacksonville, 32258, FL
Dr. Linda Chang
  • Gender: Female
  • Address: 1301 Punchbowl Street Honolulu, 96813, HI
Dr. Steven F. Hayashida
  • Gender: Male
  • Address: Suite 702 1329 Lusitana Street Honolulu, 96813, HI

Questions & Answers

What conditions does Dr. William George Obana treat?

Dr. William George Obana provides treatment for Brain Cancer, Brain Damage, Cancer, Enlarged Spleen, Heart Disease, Spinal Stenosis. For the full list see this list.

Has Dr. William George Obana affiliation with hospitals?

Dr. William George Obana is affiliated with THE QUEENS MEDICAL CENTER.

Does Dr. William George Obana have affiliation with practices?

Dr. William George Obana is affiliated with Nephrology Consultants. For the full list of practices see this list.

Does Dr. William George Obana accept patients with HMSA?

Yes, Dr. William George Obana is listed in-network for HMSA through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Where can you meet with Dr. William George Obana?

Dr. William George Obana's office is located at 1380 Lusitana Street Suite #410 in Honolulu, HI 96813.