Dr. Dena Witthaus
Dr. Dena B. Witthaus
Last updated: Aug 27, 2025

Dr. Dena B. Witthaus

  • Gender: Female
  • Experience: 10 years
  • Graduated from: Arizona College Of Osteopathic Medicine Mid Western University
  • Graduation year: 2011
  • Sole propriator: Yes
  • NPI: 1528354966

Dr. Dena B. Witthaus D.O.

Internist

She is located at 19500 Southeast Stark Street in Portland, OR 97233. Can help patients with the following: Acute Pain, Common Cold, General Care, Hiatal Hernia, Migraine, Osteoporosis. Her National Provider Identifier (NPI) number is 1528354966. Appointment can be made via the phone number (800) 813-2000.

Conditions treated

Dr. Dena Witthaus, being an internist, 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. Dena B. Witthaus.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Medicare Enrollment

Dr. Dena B. Witthaus is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Kaiser Foundation Health Plan Of The Northwest

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Novo Nordisk $163

Other

Food and Beverage $164

Studies

ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY

Graduated in 2011

Looking for more Internists?

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Dr. Benjamin Lee Brody
  • Gender: Male
  • Address: 19500 Southeast Stark Street Portland, 97233, OR
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Dr. Glenn Alan Greeder
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Dr. Leslie E. Schmertzler
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Dr. Bukhosi B. Dube
  • Gender: Male
  • Address: 847 Northeast 19th Avenue Suite 100 Portland, 97232, OR
Dr. Max V. Grishkevich
  • Gender: Male
  • Address: 2020 Southeast 182nd Avenue Portland, 97233, OR
Dr. Joel Loren Simasko
  • Gender: Male
  • Address: 19500 Southeast Stark Street Portland, 97233, OR
Dr. Robert C. Sayson
  • Gender: Male
  • Address: 18000 Southeast Stark Street Portland, 97233, OR
Dr. Gregory Rubin
  • Gender: Male
  • Address: 19500 Southeast Stark Street Portland, 97233, OR
Dr. Merrill Marshall Ahrens
  • Gender: Male
  • Address: 19500 Southeast Stark Street Portland, 97233, OR

Questions & Answers

Where can you meet with Dr. Dena Witthaus?

Dr. Dena Witthaus's office is located at 19500 Southeast Stark Street in Portland, OR 97233.

What conditions does Dr. Dena Witthaus treat?

Dr. Dena Witthaus provides treatment for Acute Pain, Common Cold, General Care, Hiatal Hernia, Migraine, Osteoporosis. For the full list see this list.

Does Dr. Dena Witthaus accept insurance?

Unfortunately we don't have any information if Dr. Dena Witthaus accepts insurance.