Dr. Irma H. Pfister
- Gender: Female
- Experience: 25 years
- Graduated from: Louisiana State University School Of Medicine In New Orleans
- Graduation year: 1996
- Sole propriator: No
- NPI: 1790740926
Dr. Irma H. Pfister MD
Internist
She is located at 11555 University Boulevard in Sugar Land, TX 77478. Can help patients with the following: Anemia, Diarrhea, Headache, Hyperlipidemia, Migraine, Nausea and Vomiting. Her National Provider Identifier (NPI) number is 1790740926. Appointment can be made via the phone number (713) 442-9100. She also has a website where you can get more information. The website can be found at https://www.kelsey-seybold.com/find-a-houston-doctor/ashley-huynh-optometrist. She is affiliated with 1 practices.
Conditions treated
Dr. Irma Pfister, 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. Irma H. Pfister.
- 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)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Irma H. Pfister as in-network for the following 2026 plans.
Health plans
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 6 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Kelsey-Seybold Bronze Copay Focus $0 Indiv Med Ded | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Kelsey-Seybold Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Kelsey-Seybold Gold Copay Focus $0 Indiv Med Ded ($8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Kelsey-Seybold Gold Copay Focus+ $0 Indiv Med Ded ($8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Kelsey-Seybold Silver Copay Focus $0 Indiv Med Ded | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Kelsey-Seybold Silver Copay Focus+ $0 Indiv Med Ded (Dental + Vision) | HMO · Silver | Non Preferred | 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. Irma H. Pfister 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. Irma H. Pfister is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Kelsey-seybold Medical Group, Pllc
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
LOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated in 1996Other ways to reach out
- Website: https://www.kelsey-seybold.com/find-a-houston-doctor/ashley-huynh-optometrist
Looking for more Internists?
Out of the 68 internists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 24022 Calle De La Plata Suite 500 Laguna Hills, 92653, CA
- Gender: Male
- Address: Suite 200 15555 Creek Bend Drive Sugar Land, 77478, TX
- Gender: Female
- Address: 1327 Lake Pointe Parkway Sugar Land, 77478, TX
- Gender: Male
- Address: Suite 206 1429 Highway 6 Sugar Land, 77478, TX
- Gender: Female
- Address: Suite 135 1111 Highway 6 Sugar Land, 77478, TX
- Gender: Female
- Address: 25140 Kingsland Boulevard # 200 Katy, 77494, TX
- Gender: Male
- Address: Suite 175 15200 Southwest Freeway Sugar Land, 77478, TX
- Gender: Female
- Address: Suite-174 1111 Hwy-6 Sugar Land, 77478, TX
- Gender: Male
- Address: Suite 270 15200 Southwest Freeway Sugar Land, 77478, TX
- Gender: Female
- Address: 11555 University Boulevard Sugar Land, 77478, TX
Questions & Answers
Where can you meet with Dr. Irma Pfister?
Dr. Irma Pfister's office is located at 11555 University Boulevard in Sugar Land, TX 77478.
Does Dr. Irma Pfister accept insurance?
Dr. Irma Pfister is listed in-network for 6 ACA Marketplace (Obamacare/HealthCare.gov) plans from UnitedHealthcare. See the Marketplace plans section for details.
What conditions does Dr. Irma Pfister treat?
Dr. Irma Pfister provides treatment for Anemia, Diarrhea, Headache, Hyperlipidemia, Migraine, Nausea and Vomiting. For the full list see this list.
Does Dr. Irma Pfister have affiliation with practices?
Dr. Irma Pfister is affiliated with Fort Bend Medical & Diagnostic Center.