Quick answers
- Does Zia U. Rahman accept Medicare assignment?
- Yes. Medicare's clinician data says Zia U. Rahman 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 Zia U. Rahman see?
- In 2024, CMS data shows 2,243 Original Medicare patients and 7,127 services for Zia U. Rahman. This counts Original Medicare only and measures volume, not quality.
- What is Zia U. Rahman's NPI number?
- 1386838811. 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 Zia U. Rahman, 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 | 2,243 |
|---|---|
| Services billed to Medicare | 7,127 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Blood test, clotting time (85610)1,394 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)1,369 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)771 services
- 3d radiographic procedure (76376)544 services
- Heart muscle strain imaging (93356)385 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%
- Atrial fibrillation45%
- Ischemic heart disease43%
- Diabetes37%
Hospitals where Zia U. Rahman works
Medicare's Facility Affiliation Data lists Zia U. Rahman 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.
- Community Hospital, Onaga and St Marys CampusOnaga, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171354
- Great Plains of SabethaSabetha, KS · Critical Access Hospital · Emergency services: listed by Medicare · CCN 171338
- Newman Regional HealthEmporia, KS · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 171384
- Stormont Vail Health Flint Hills, LLCJunction City, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170074
- Stormont Vail HospitalTopeka, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170086
Practice locations
Addresses where Zia U. Rahman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 1325 Research Park DrManhattan, KS 66502 (785) 270‑8723
- 1414 SW 8th AveTopeka, KS 66606 (785) 354‑5300
- 1500 SW 10h AveTopeka, KS 66604 (785) 354‑6000
- 1704 Commercial CirWamego, KS 66547 (785) 456‑2207
- 200 White Way St, Cotton O'Neill Clinic NetawakaNetawaka, KS 66516 (785) 354‑9591
Group practices
Medicare enrollment lists Zia U. Rahman as a member of this group (CMS data updated October 2, 2026).
- Cotton-O'neil Clinic Revocable Trust666 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Kansas →
Other cardiologists in Manhattan
Clinicians with the same Medicare primary specialty in Manhattan, KS — not a recommendation.
Other clinicians in Cotton-O'neil Clinic Revocable Trust
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386838811 |
| 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