Dr. Marek Walczak
Dr. Marek Walczak
Last updated: Jul 1, 2026

Dr. Marek Walczak

  • Gender: Male
  • Experience: 33 years
  • Graduation year: 1988
  • Sole propriator: Yes
  • NPI: 1083840375

Dr. Marek Walczak M.D.

Hospitalist

He is located at 2601 Dimmitt Road in Plainview, TX 79072. His National Provider Identifier (NPI) number is 1083840375. Appointment can be made via the phone number (806) 296-5531. He also has a website where you can get more information. The website can be found at https://healthcare.ascension.org/doctors/1083840375/marek-walczak-westlake-tx. He is affiliated with 2 practices and 2 hospitals.

Procedures Performed by Dr. Marek Walczak

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Marek Walczak 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
Blue Cross and Blue Shield of Texas plans
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

Harbor Health

Network data as of Sep 14, 2026, as reported by the insurer.

Harbor Health plans
Plan Plan type Network tier New patients
Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care HMO · Gold Preferred Accepting new patients
Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care HMO · Gold Preferred Accepting new patients
Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care HMO · Silver Preferred Accepting new patients
Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care HMO · Silver Preferred Accepting new patients

Imperial Insurance Companies, Inc.

Network data as of Sep 16, 2025, as reported by the insurer.

Show all 7 plans from Imperial Insurance Companies, Inc.
Imperial Insurance Companies, Inc. plans
Plan Plan type Network tier New patients
Imperial Preferred Bronze HMO · Bronze Preferred Accepting new patients
Imperial Preferred Gold HMO · Gold Preferred Accepting new patients
Imperial Preferred Gold Zero HMO · Gold Preferred Accepting new patients
Imperial Preferred Silver HMO · Silver Preferred Accepting new patients
Imperial Standard Bronze HMO · Expanded Bronze Standard Accepting new patients
Imperial Standard Gold HMO · Gold Standard Accepting new patients
Imperial Standard Silver HMO · Silver Standard Accepting new patients

Oscar Insurance Company

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 11 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Gold Classic Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Classic Standard Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Diabetes Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Silver Classic Standard Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Chronic Care CKM Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Diabetes Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple PCP Saver Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits Guided Care (8 plan variants) HMO · Silver 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. Marek Walczak 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. Marek Walczak is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Pine Ridge Indian Health Service Hospital

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

Graduated in 1988

Other ways to reach out

  • Website: https://healthcare.ascension.org/doctors/1083840375/marek-walczak-westlake-tx

Affiliated practices

Midland Emergency Management
2200 West Illinois Avenue
Midland, 79701 TX
(432) 685-1111
HNI Healthcare
8971 Daniels Center Drive
Fort Myers, 33912 FL
(239) 210-4247

Affiliated hospitals

RESOLUTE HEALTH HOSPITAL
555 CREEKSIDE XING,
NEW BRAUNFELS, 78130 TX
(469) 839-6778
SETON MEDICAL CENTER HAYS
6001 KYLE PKWY
KYLE, 78640 TX
(512) 324-5000

Looking for more Hospitalists?

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Dr. Saleem Mohammed Oza
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Dr. Sankararao Tamtam
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Questions & Answers

Has Dr. Marek Walczak affiliation with hospitals?

Dr. Marek Walczak is affiliated with RESOLUTE HEALTH HOSPITAL. For the full list of hospitals see this list.

Does Dr. Marek Walczak accept patients with Harbor Health?

Yes, Dr. Marek Walczak is listed in-network for Harbor Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Marek Walczak have affiliation with practices?

Dr. Marek Walczak is affiliated with Midland Emergency Management. For the full list of practices see this list.

Where can you meet with Dr. Marek Walczak?

Dr. Marek Walczak's office is located at 2601 Dimmitt Road in Plainview, TX 79072.