Quick answers
- Does Mohammed A. Ahmed accept Medicare assignment?
- Yes. Medicare's clinician data says Mohammed A. Ahmed 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 Mohammed A. Ahmed see?
- In 2024, CMS data shows 486 Original Medicare patients and 1,045 services for Mohammed A. Ahmed. This counts Original Medicare only and measures volume, not quality.
- What is Mohammed A. Ahmed's NPI number?
- 1851545859. 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 Mohammed A. Ahmed, 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 | 486 |
|---|---|
| Services billed to Medicare | 1,045 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)206 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)194 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)160 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)102 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)81 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%
- Chronic kidney disease75%
- Diabetes71%
- Ischemic heart disease55%
- Heart failure55%
Hospitals where Mohammed A. Ahmed works
Medicare's Facility Affiliation Data lists Mohammed A. Ahmed 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.
- HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450617
- HCA Houston Healthcare PearlandPearland, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 670106
- Houston Methodist Baytown HospitalBaytown, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450424
- Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450709
Practice locations
Addresses where Mohammed A. Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 E Nasa Pkwy, Suite 35Webster, TX 77598 (281) 332‑2059
- 2215 Rollingbrook Dr, Suite 140Baytown, TX 77521 (281) 428‑2487
Group practices
Medicare enrollment lists Mohammed A. Ahmed as a member of this group (CMS data updated October 2, 2026).
- Renal Specialists of Houston, PA24 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Webster
Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.
Other clinicians in Renal Specialists of Houston, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851545859 |
| 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