Dr. Mark Oltermann
- Gender: Male
- Experience: 37 years
- Graduated from: University Of Texas Medical Branch At Galveston
- Graduation year: 1984
- Sole propriator: No
- NPI: 1154353357
Dr. Mark Oltermann MD
Internist
He is located at 1500 South Main Street in Fort Worth, TX 76104. Can help patients with the following: Constipation, Diarrhea, Febrile Seizure, Hematoma, Influenza, Insect Stings. His National Provider Identifier (NPI) number is 1154353357. Appointment can be made via the phone number (817) 921-3431. He is affiliated with 2 hospitals.
Conditions treated
Dr. Mark Oltermann, 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. Mark Oltermann.
- Abdominal Pain
- Acute Pain
- Altitude Sickness
- Anemia
- Angina
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Chest Pain
- Choking
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Coronavirus
- Costochondritis
- Cystitis
- Diarrhea
- Edema
- Febrile Seizure
- Fever
- Frostbite
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hematoma
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
- Whiplash
Procedures Performed by Dr. Mark Oltermann
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark Oltermann as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Not 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. Mark Oltermann is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mark Oltermann is enrolled to bill Medicare as a Practitioner - Critical Care (intensivists) .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- ATLANTA, GA, 30342-1606
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.
Studies
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated in 1984Additional Specialities
- Emergency Physician
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Questions & Answers
Has Dr. Mark Oltermann affiliation with hospitals?
Dr. Mark Oltermann is affiliated with NORTHSIDE HOSPITAL FORSYTH. For the full list of hospitals see this list.
Does Dr. Mark Oltermann accept patients with Blue Cross and Blue Shield of Texas?
Yes, Dr. Mark Oltermann is listed in-network for Blue Cross and Blue Shield of Texas through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Mark Oltermann?
Dr. Mark Oltermann's office is located at 1500 South Main Street in Fort Worth, TX 76104.
What conditions does Dr. Mark Oltermann treat?
Dr. Mark Oltermann provides treatment for Constipation, Diarrhea, Febrile Seizure, Hematoma, Influenza, Insect Stings. For the full list see this list.