Quick answers
- Does Megan M. Maddox accept Medicare assignment?
- Yes. Medicare's clinician data says Megan M. Maddox 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 Megan M. Maddox see?
- In 2024, CMS data shows 250 Original Medicare patients and 2,700 services for Megan M. Maddox. This counts Original Medicare only and measures volume, not quality.
- What is Megan M. Maddox's NPI number?
- 1720422884. 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 Megan M. Maddox, 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 patients | 250 |
|---|---|
| Services billed to Medicare | 2,700 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,380 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)294 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)171 services
- 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)144 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)138 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 cholesterol72%
- High blood pressure67%
- Arthritis47%
- Ischemic heart disease35%
- Osteoporosis34%
- Diabetes31%
Hospitals where Megan M. Maddox works
Medicare's Facility Affiliation Data lists Megan M. Maddox 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.
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450358
- Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450820
- Houston Methodist The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670122
- Houston Methodist West HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670077
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
Practice locations
Addresses where Megan M. Maddox 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
- 4710 Bellaire BlvdBellaire, TX 77401 (713) 363‑9411
- 6550 Fannin StHouston, TX 77030
Group practices
Medicare enrollment lists Megan M. Maddox as a member of this group (CMS data updated October 2, 2026).
- TMH Physician Associates PLLC1,690 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.
Other clinicians in TMH Physician Associates PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In Shreveport |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720422884 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians