Quick answers
- Does Hardawan A. Hassan accept Medicare assignment?
- Yes. Medicare's clinician data says Hardawan A. Hassan 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 Hardawan A. Hassan see?
- In 2024, CMS data shows 297 Original Medicare patients and 849 services for Hardawan A. Hassan. This counts Original Medicare only and measures volume, not quality.
- What is Hardawan A. Hassan's NPI number?
- 1861855991. 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 Hardawan A. Hassan, 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 | 297 |
|---|---|
| Services billed to Medicare | 849 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)400 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)156 services
- Hospital discharge day management, more than 30 minutes (99239)134 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)84 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)16 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%
- Arthritis63%
- Ischemic heart disease55%
- Chronic kidney disease51%
- Heart failure51%
Hospitals where Hardawan A. Hassan works
Medicare's Facility Affiliation Data lists Hardawan A. Hassan 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.
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490052
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490130
Practice locations
Addresses where Hardawan A. Hassan is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 J Clyde Morris BlvdNewport News, VA 23601 (757) 594‑3580
Group practices
Medicare enrollment lists Hardawan A. Hassan as a member of this group (CMS data updated October 2, 2026).
- Riverside Physician Services Inc797 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Newport News
Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.
Other clinicians in Riverside Physician Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861855991 |
| 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