Quick answers
- Does Hussain M. Naseri accept Medicare assignment?
- Yes. Medicare's clinician data says Hussain M. Naseri 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 Hussain M. Naseri see?
- In 2024, CMS data shows 346 Original Medicare patients and 1,199 services for Hussain M. Naseri. This counts Original Medicare only and measures volume, not quality.
- What is Hussain M. Naseri's NPI number?
- 1154646149. 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 Hussain M. Naseri, 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 | 346 |
|---|---|
| Services billed to Medicare | 1,199 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)691 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)242 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)126 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)51 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)42 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
- Arthritis47%
- Ischemic heart disease33%
- Chronic kidney disease33%
Hospitals where Hussain M. Naseri works
Medicare's Facility Affiliation Data lists Hussain M. Naseri 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.
- MercyOne Oelwein Medical CenterOelwein, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161338
- MercyOne Waterloo Medical CenterWaterloo, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160067
- Saint Vincent HospitalErie, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390009
- Sartori Memorial Hospital, IncCedar Falls, IA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 160040
- Waverly Health CenterWaverly, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161339
Practice locations
Addresses where Hussain M. Naseri is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 E Ridgeway Ave, Mercyone Waterloo Hematology/oncologyWaterloo, IA 50702 (319) 272‑2070
Group practices
Medicare enrollment lists Hussain M. Naseri as a member of this group (CMS data updated October 2, 2026).
- Covenant Medical Center Inc235 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Waterloo
Clinicians with the same Medicare primary specialty in Waterloo, IA — not a recommendation.
Other clinicians in Covenant Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154646149 |
| 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