Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Certified Clinical Nurse Specialist (CNS)

Mary Lou Heater, CNS

Sees patients in Houston, TX · Texas

Summary

Mary Lou Heater, CNS is a clinical nurse specialist at 5901 Long Dr, Houston, TX 77087. Phone: (713) 970-4300. Accepts Medicare assignment. In 2024, Mary Lou Heater had 22 Original Medicare patients and 78 services. NPI 1073748745. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical nurse specialist (Medicare lists Certified Clinical Nurse Specialist (CNS))
  • Address: 5901 Long Dr, Houston, TX 77087 · Directions (1 more location)
  • Phone: (713) 970‑4300
  • Medicare: Accepts Medicare assignment
  • Group practice: The Harris Center for Mental Health and Idd
  • School: graduated 2000
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Lou Heater, 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 Mary Lou Heater accept Medicare assignment?
Yes. Medicare's clinician data says Mary Lou Heater 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 Mary Lou Heater see?
In 2024, CMS data shows 22 Original Medicare patients and 78 services for Mary Lou Heater. This counts Original Medicare only and measures volume, not quality.
What is Mary Lou Heater's NPI number?
1073748745. 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 Mary Lou Heater, 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 patients22
Services billed to Medicare78
Different services or procedures4
Participating Medicare providerYes
Average age of these patients52

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 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 pressure55%
  • High cholesterol50%

Practice locations

Addresses where Mary Lou Heater is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Lou Heater as a member of this group (CMS data updated October 2, 2026).

  • The Harris Center for Mental Health and Idd118 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Texas →

Other clinical nurse specialists in Houston

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

All clinical nurse specialists in Houston →

Other clinicians in The Harris Center for Mental Health and Idd

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

Clinician information

CredentialCNS
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073748745
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians