Dr. Donald H. Grenz
Dr. Donald H. Grenz

Dr. Donald H. Grenz

  • Gender: Male
  • Experience: 24 years
  • Graduated from: University Of North Dakota School Of Medicine
  • Graduation year: 1997
  • Sole propriator: No
  • NPI: 1699720995

Dr. Donald H. Grenz MD

Internist

He is located at 401 North 9th Street in Bismarck, ND 58501. Can help patients with the following: Atherosclerosis, Bladder Control, Heart Disease, Hyperlipidemia, Hyponatremia, Urethritis. His National Provider Identifier (NPI) number is 1699720995. Appointment can be made via the phone number (701) 530-6000. He is affiliated with 1 practices and 3 hospitals.

Conditions treated

Dr. Donald H. Grenz, 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. Donald H. Grenz.

  • 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)

Procedures Performed by Dr. Donald H. Grenz

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Donald H. Grenz as in-network for the following 2026 plans.

Health plans

Blue Cross Blue Shield of North Dakota

Network data as of Sep 11, 2026, as reported by the insurer.

Show all 14 plans from Blue Cross Blue Shield of North Dakota
Blue Cross Blue Shield of North Dakota plans
Plan Plan type Network tier New patients
BlueCare Bronze HSA Eligible $50 PCP Copay ($5 Value Based Drug List) PPO · Expanded Bronze In Network Accepting new patients
BlueCare Gold $10 PCP Copay ($5 Value Based Drug List) PPO · Gold In Network Accepting new patients
BlueCare Silver $20 PCP Copay ($5 Value Based Drug List) PPO · Silver In Network Accepting new patients
BlueDirect Bronze 100 HSA Eligible ($8000 Deductible / $5 Preventive Drug List) PPO · Expanded Bronze In Network Accepting new patients
BlueDirect Gold 90 HSA Eligible ($2600 Deductible / $5 Preventive Drug List) PPO · Gold In Network Accepting new patients
BlueDirect Silver 80 HSA Eligible ($3500 Deductible / $5 Preventive Drug List) PPO · Silver In Network Accepting new patients
BlueEssential Catastrophic 100 HSA Eligible $10600 Deductible PPO · Catastrophic In Network Accepting new patients
BlueValue Bronze HSA Eligible $50 PCP Copay (Standardized plan) PPO · Expanded Bronze In Network Accepting new patients
BlueValue Gold $30 PCP Copay (Standardized plan) PPO · Gold In Network Accepting new patients
BlueValue Silver $40 PCP Copay (Standardized plan) PPO · Silver In Network Accepting new patients
DakotaBlue Altru Gold ($5 Value Based Drug List) PPO · Gold In Network Accepting new patients
DakotaBlue Altru Silver ($5 Value Based Drug List) PPO · Silver In Network Accepting new patients
DakotaBlue Trinity Gold ($5 Value Based Drug List) PPO · Gold In Network Accepting new patients
DakotaBlue Trinity Silver ($5 Value Based Drug List) PPO · Silver In Network Accepting new patients

Medica

Network data as of Jul 13, 2026, as reported by the insurer.

Show all 18 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Essentia Choice Care with Medica Bronze $0 Copay PCP Visits HMO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Bronze Share HMO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Expanded Bronze Standard HMO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Gold $0 Copay PCP Visits HMO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Gold Share HMO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Gold Standard HMO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Silver $0 Copay PCP Visits HMO · Silver Preferred Accepting new patients
Essentia Choice Care with Medica Silver Share HMO · Silver Preferred Accepting new patients
Essentia Choice Care with Medica Silver Standard HMO · Silver Preferred Accepting new patients
Medica Individual Choice Bronze $0 Copay PCP Visits HMO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Bronze Share HMO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Expanded Bronze Standard HMO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Gold $0 Copay PCP Visits HMO · Gold Preferred Accepting new patients
Medica Individual Choice Gold Share HMO · Gold Preferred Accepting new patients
Medica Individual Choice Gold Standard HMO · Gold Preferred Accepting new patients
Medica Individual Choice Silver $0 Copay PCP Visits HMO · Silver Preferred Accepting new patients
Medica Individual Choice Silver Share HMO · Silver Preferred Accepting new patients
Medica Individual Choice Silver Standard HMO · Silver Preferred Accepting new patients

Sanford Health Plan

Network data as of Jul 12, 2018, as reported by the insurer.

Show all 8 plans from Sanford Health Plan
Sanford Health Plan plans
Plan Plan type Network tier New patients
Sanford Individual Simplicity $1,750 PPO · Gold Simplicity Accepting new patients
Sanford Individual Simplicity $3,500 PPO · Silver Simplicity Accepting new patients
Sanford Individual Simplicity $4,750 PPO · Silver Simplicity Accepting new patients
Sanford Individual Simplicity $6,500 PPO · Expanded Bronze Simplicity Accepting new patients
Sanford Individual Simplicity $7,200 HSA Qualified PPO · Expanded Bronze Simplicity Accepting new patients
Sanford Individual Simplicity Standardized $2,000 PPO · Gold Simplicity Accepting new patients
Sanford Individual Simplicity Standardized $6,000 PPO · Silver Simplicity Accepting new patients
Sanford Individual Simplicity Standardized $7,500 PPO · Expanded Bronze Simplicity 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. Donald H. Grenz 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. Donald H. Grenz is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Mid Dakota Clinic, 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

Janssen $1029
Lilly $912
AstraZeneca $705

Other

Food and Beverage $6272

Studies

UNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE

Graduated in 1997

Affiliated practices

Mid Dakota Clinic
401 N. 9th St.
Bismarck, 58501 ND
(701) 712-4500

Affiliated hospitals

CHI ST ALEXIUS HEALTH
900 E BROADWAY
BISMARCK, 58501 ND
(701) 530-7000
SANFORD MEDICAL CENTER BISMARCK
300 N 7TH ST
BISMARCK, 58506 ND
(701) 323-6000
LINTON HOSPITAL - CAH
518 NORTH BROADWAY
LINTON, 58552 ND
(701) 254-4511

Looking for more Internists?

Out of the 92 internists in this region, here are 10 randomly selected ones for you to explore.

Dr. Scott Klein
  • Gender: Male
  • Address: 310 North 10th Street Bismarck, 58501, ND
Dr. Radu Rauta
  • Gender: Male
  • Address: 401 North 9th Street Bismarck, 58501, ND
Dr. Robert Tanous
  • Gender: Male
  • Address: 401 North 9th Street Bismarck, 58501, ND
Dr. Bhaja Om Shrestha
  • Gender: Male
  • Address: 222 North 7th Street Bismarck, 58501, ND
Dr. Ivaldo A. Lunardi
  • Gender: Male
  • Address: 222 North 7th Street Bismarck, 58501, ND
Dr. Charles Jackson Smith
  • Gender: Male
  • Address: 222 North 7th Street Bismarck, 58501, ND
Dr. Mylapanahalli Sanathanamurthy
  • Gender: Male
  • Address: 310 North 10th Street Bismarck, 58501, ND
Dr. Abigail Gabriel
  • Gender: Female
  • Address: 1215 Duff Avenue Ames, 50010, IA
Dr. Kent C. Martin
  • Gender: Male
  • Address: 222 North 7th Street Bismarck, 58501, ND

Questions & Answers

Does Dr. Donald H. Grenz accept patients with Blue Cross Blue Shield of North Dakota?

Yes, Dr. Donald H. Grenz is listed in-network for Blue Cross Blue Shield of North Dakota through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Donald H. Grenz have affiliation with practices?

Dr. Donald H. Grenz is affiliated with Mid Dakota Clinic.

What conditions does Dr. Donald H. Grenz treat?

Dr. Donald H. Grenz provides treatment for Atherosclerosis, Bladder Control, Heart Disease, Hyperlipidemia, Hyponatremia, Urethritis. For the full list see this list.

Where can you meet with Dr. Donald H. Grenz?

Dr. Donald H. Grenz's office is located at 401 North 9th Street in Bismarck, ND 58501.

Has Dr. Donald H. Grenz affiliation with hospitals?

Dr. Donald H. Grenz is affiliated with CHI ST ALEXIUS HEALTH. For the full list of hospitals see this list.