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Family Practice

Michael L. Jahrmarkt, MD

Works at hospitals in Harker Heights, TX · Texas

Summary

Dr. Michael L. Jahrmarkt, MD is a family doctor at 300 W Central Texas Expy, Suite 117, Harker Heights, TX 76548. Phone: (254) 547-3743. Accepts Medicare assignment. In 2024, Michael L. Jahrmarkt had 47 Original Medicare patients and 135 services. NPI 1598742108. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 300 W Central Texas Expy, Suite 117, Harker Heights, TX 76548 · Directions
  • Phone: (254) 547‑3743
  • Medicare: Accepts Medicare assignment
  • Hospital: Seton Medical Center Harker Heights
  • Group practice: LHP Texas MD Services, Inc
  • Medical school: Texas Tech University Health Science Center School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael L. Jahrmarkt, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Michael L. Jahrmarkt accept Medicare assignment?
Yes. Medicare's clinician data says Michael L. Jahrmarkt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Michael L. Jahrmarkt see?
In 2024, CMS data shows 47 Original Medicare patients and 135 services for Michael L. Jahrmarkt. This counts Original Medicare only and measures volume, not quality.
What is Michael L. Jahrmarkt's NPI number?
1598742108. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Michael L. Jahrmarkt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients47
Services billed to Medicare135
Different services or procedures36
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Blood test, comprehensive group of blood chemicals (80053)16 services
  2. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)12 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol66%
  • Diabetes40%
  • Chronic kidney disease32%
  • Arthritis30%
  • Anxiety30%

Hospitals where Michael L. Jahrmarkt works

Medicare's Facility Affiliation Data lists Michael L. Jahrmarkt at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Michael L. Jahrmarkt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael L. Jahrmarkt as a member of this group (CMS data updated October 2, 2026).

  • LHP Texas MD Services, Inc36 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Harker Heights

Clinicians with the same Medicare primary specialty in Harker Heights, TX — not a recommendation.

All family doctors in Harker Heights →

Other clinicians in LHP Texas MD Services, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598742108
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians