Quick answers
- Does Collette O. Akhimiona accept Medicare assignment?
- Yes. Medicare's clinician data says Collette O. Akhimiona 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 Collette O. Akhimiona see?
- In 2024, CMS data shows 374 Original Medicare patients and 2,136 services for Collette O. Akhimiona. This counts Original Medicare only and measures volume, not quality.
- What is Collette O. Akhimiona's NPI number?
- 1811285646. 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 Collette O. Akhimiona, 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 | 374 |
|---|---|
| Services billed to Medicare | 2,136 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,441 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)183 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)161 services
- Hemodialysis procedure with physician evaluation (90935)82 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)73 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%
- Ischemic heart disease63%
- Heart failure63%
- Diabetes59%
Hospitals where Collette O. Akhimiona works
Medicare's Facility Affiliation Data lists Collette O. Akhimiona 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 TomballTomball, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450670
- Houston Methodist The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670122
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
- St. Luke's The Woodlands HospitalThe Woodlands, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450862
Practice locations
Addresses where Collette O. Akhimiona is enrolled with Medicare (CMS data updated October 2, 2026).
- 1700 Romano Park LnHouston, TX 77090 (281) 866‑9995
Group practices
Medicare enrollment lists Collette O. Akhimiona as a member of this group (CMS data updated October 2, 2026).
- Nephrology Dialysis and Transplantation Associates PA16 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Nephrology Dialysis and Transplantation Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 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) | 1811285646 |
| 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