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

Internal Medicine

Stephanie B. Mundy, MD

Works at hospitals in Nassau Bay, TX · Houston, TX · Sugar Land, TX · Texas

Summary

Dr. Stephanie B. Mundy, MD is an internal medicine doctor at 16605 Southwest Fwy, Sugar Land, TX 77479. Phone: (281) 275-0800. Accepts Medicare assignment. In 2024, Stephanie B. Mundy had 585 Original Medicare patients and 2,900 services. NPI 1770681447. 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 Stephanie B. Mundy, 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 Stephanie B. Mundy accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie B. Mundy 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 Stephanie B. Mundy see?
In 2024, CMS data shows 585 Original Medicare patients and 2,900 services for Stephanie B. Mundy. This counts Original Medicare only and measures volume, not quality.
What is Stephanie B. Mundy's NPI number?
1770681447. 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 Stephanie B. Mundy, 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 patients585
Services billed to Medicare2,900
Different services or procedures34
Participating Medicare providerYes
Average age of these patients76

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)1,207 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)409 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)266 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)200 services
  5. Administration of influenza virus vaccine (G0008)136 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 cholesterol75%
  • High blood pressure69%
  • Arthritis45%
  • Ischemic heart disease29%
  • Diabetes24%
  • Anxiety24%

Hospitals where Stephanie B. Mundy works

Medicare's Facility Affiliation Data lists Stephanie B. Mundy 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 Stephanie B. Mundy is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

  • 16605 Southwest FwySugar Land, TX 77479 (281) 275‑0800
  • 16605 Southwest Fwy 400 Mob3, Methodist Family Medicine GroupSugar Land, TX 77479 (281) 275‑0800
  • 16605 SW Fwy 410, Methodist Diag Card of HoustonSugar Land, TX 77479 (281) 274‑0148
  • 4009 Bellaire Blvd, Suite MHouston, TX 77025
  • 4710 Bellaire BlvdBellaire, TX 77401 (713) 363‑9411

Group practices

Medicare enrollment lists Stephanie B. Mundy as a member of these groups (CMS data updated October 2, 2026).

  • TMH Physician Associates PLLC1,690 clinicians in the group
  • Action Therapy Centers Limited76 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Sugar Land

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

All internal medicine doctors in Sugar Land →

Other clinicians in TMH Physician Associates PLLC

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

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770681447
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