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

Internal Medicine

Brenda L. Wainscott, MD

Works at hospitals in Houston, TX · Katy, TX · Texas

Summary

Dr. Brenda L. Wainscott, MD is an internal medicine doctor at 21700 Kingsland Blvd, Suite 201, Katy, TX 77450. Phone: (281) 398-7954. Accepts Medicare assignment. In 2024, Brenda L. Wainscott had 483 Original Medicare patients and 2,761 services. NPI 1255337754. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Brenda L. Wainscott, 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 Brenda L. Wainscott accept Medicare assignment?
Yes. Medicare's clinician data says Brenda L. Wainscott 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 Brenda L. Wainscott see?
In 2024, CMS data shows 483 Original Medicare patients and 2,761 services for Brenda L. Wainscott. This counts Original Medicare only and measures volume, not quality.
What is Brenda L. Wainscott's NPI number?
1255337754. 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 Brenda L. Wainscott, 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 patients483
Services billed to Medicare2,761
Different services or procedures36
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)761 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)453 services
  3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)304 services
  4. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)282 services
  5. Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)171 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 cholesterol75%
  • Arthritis51%
  • Depression38%
  • Anxiety36%
  • Chronic kidney disease35%

Hospitals where Brenda L. Wainscott works

Medicare's Facility Affiliation Data lists Brenda L. Wainscott 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 Brenda L. Wainscott is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brenda L. Wainscott as a member of these groups (CMS data updated October 2, 2026).

  • Collaborative Geriatrics Inc46 clinicians in the group
  • Medical Colleagues of Texas LLP12 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Katy

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

All internal medicine doctors in Katy →

Other clinicians in Collaborative Geriatrics Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255337754
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