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Active NPI 1083840375 Individual Practitioner Male Practitioner

Dr. Marek Walczak , MD

Hospitalist • Plainview, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Marek Walczak, MD is a certified Hospitalist practicing in Plainview, TX. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Walczak delivers high-quality medical care to the local community at 2601 DIMMITT RD.

Dr. Walczak is affiliated with Hospitalist Medicine Physicians Of Texas Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2601 Dimmitt Rd

Plainview, TX 790721833

Telephone 8062965531
Associated Practice Facility / Clinic
🏢 Regence Health Network Inc Facility NPI 1396741237

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Plainview, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
38 Yrs Matches City Avg
City Avg: 38.0 Yrs
State Avg: 19.2 Yrs
Regional Practice Density
1 Specialists

Practicing in Plainview, TX (1587 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
86.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walczak (38 Years) 38 Yrs
Plainview Specialty Average (38.0 Years) 38.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
66 41 $718.00 $114.36
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
52 33 $500.00 $73.81
99239 Hospital discharge day management, more than 30 minutes
44 44 $737.00 $109.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
27 27 $1389.00 $166.76

Medical Specialties & State Licenses

CMS Verified: 2026-07-01
Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License TX N0537

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License TX N0537

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Hospitalist Medicine Physicians Of Texas Pllc

1201 W 38th St, Austin, TX 787051006

Phone: 5123241000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

7 Associated Practitioners
Dr. Comlavi Tossou , MD

Internal Medicine

NPI 1144533803

Doctor of Medicine (M.D.)

Zachary Phillips

Nurse Anesthetist, Certified Registered

NPI 1356057384
Dr. Elaine Brown , MD

Obstetrics & Gynecology

NPI 1427095645

Doctor of Medicine (M.D.)

Robin Stanfield

Family Medicine

NPI 1457837239
Christy Beard , APRN-CNP

Nurse Practitioner

NPI 1568276970

Advanced Practice Registered Nurse - Certified Nurse Practitioner

NPI 1598932410

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location July 01, 2026

Registered at 2601 DIMMITT RD, PLAINVIEW, TX 790721833 (Tel: 8062965531)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2026

Hospitalist (License #N0537 in TX)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 21, 2024

Internal Medicine (License #N0537 in TX)

NPI Profile Active March 31, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location March 31, 2016

Registered at 1781 SPYGLASS DR, APT 246, AUSTIN, TX 787466890 (Tel: 2039065389)

📍
Updated Business Mailing Address March 31, 2016

Registered at 1781 SPYGLASS DR, APT 246, AUSTIN, TX 787466890 (Tel: 2039065389)

👤
Provider Name / Credentials Updated March 31, 2016

Recorded as MAREK WALCZAK, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 31, 2016

Hospitalist (License #N0537 in TX)

🟢
Initial NPI Registration & Enumeration June 01, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1083840375
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2009
Last Update: July 01, 2026
Sole Proprietor: Yes

Mailing Address

1781 Spyglass Dr, Apt 246

Austin, TX 787466890

Phone: 2039065389

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.