Quick answers
- Does David M. Hanrahan accept Medicare assignment?
- Yes. Medicare's clinician data says David M. Hanrahan 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 David M. Hanrahan see?
- In 2024, CMS data shows 119 Original Medicare patients and 141 services for David M. Hanrahan. This counts Original Medicare only and measures volume, not quality.
- What is David M. Hanrahan's NPI number?
- 1033347125. 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 David M. Hanrahan, 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 | 119 |
|---|---|
| Services billed to Medicare | 141 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Psychiatric diagnostic evaluation with medical services (90792)69 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)48 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%
- Depression74%
- Anxiety73%
- High cholesterol71%
- Arthritis45%
- Diabetes44%
Hospitals where David M. Hanrahan works
Medicare's Facility Affiliation Data lists David M. Hanrahan 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.
- CGH Medical CenterSterling, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140043
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140008
- Sentara Leigh HospitalNorfolk, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 490046
- Sentara Princess Anne HospitalVirginia Beach, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490119
- Sentara RMH Medical CenterHarrisonburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490004
Practice locations
Addresses where David M. Hanrahan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 18; the Medicare profile lists all.
- 1 Good Samaritan WayMount Vernon, IL 62864 · Good Samaritan Regional Health Center (557) 203‑1601
- 100 E Le Fevre RdSterling, IL 61081 · CGH Medical Center (815) 625‑0400
- 100 E Lefevre RdSterling, IL 61081 · CGH Medical Center
- 1080 1st Colonial Rd, Suite 403Virginia Beach, VA 23454 (757) 395‑1850
- 120 Riverview StFranklin, NC 28734 (828) 369‑4211
Group practices
Medicare enrollment lists David M. Hanrahan as a member of these groups (CMS data updated October 2, 2026).
- MCV Associated Physicians1,807 clinicians in the group
- Sentara Medical Group1,408 clinicians in the group
- Loyola University Medical Center953 clinicians in the group
- Mission Health Community Multispecialty Providers LLC601 clinicians in the group
- NCHMD Inc510 clinicians in the group
- University of Maryland Community Medical Group Inc477 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, IL — not a recommendation.
Other clinicians in MCV Associated Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033347125 |
| 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