Quick answers
- Does Melhem H. Harp accept Medicare assignment?
- Yes. Medicare's clinician data says Melhem H. Harp 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 Melhem H. Harp see?
- In 2024, CMS data shows 217 Original Medicare patients and 1,867 services for Melhem H. Harp. This counts Original Medicare only and measures volume, not quality.
- What is Melhem H. Harp's NPI number?
- 1134357189. 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 Melhem H. Harp, 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 | 217 |
|---|---|
| Services billed to Medicare | 1,867 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Removal of skin and tissue, 20.0 sq cm or less (11042)589 services
- Removal of skin and tissue, each additional 20.0 sq cm or less (11045)228 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)168 services
- Removal of muscle and/or tissue, 20.0 sq cm or less (11043)148 services
- Removal of muscle and/or tissue, each additional 20.0 sq cm or less (11046)138 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%
- Arthritis54%
- Diabetes47%
- Chronic kidney disease36%
- Heart failure36%
Hospitals where Melhem H. Harp works
Medicare's Facility Affiliation Data lists Melhem H. Harp 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.
- OSF Saint Clare Medical CenterPrinceton, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141337
- OSF Saint Elizabeth MDL CenterPeru, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140110
- OSF Saint Paul Medical CenterMendota, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141310
Practice locations
Addresses where Melhem H. Harp is enrolled with Medicare (CMS data updated October 2, 2026).
- 530 Park Ave EPrinceton, IL 61356 (815) 875‑2811
Group practices
Medicare enrollment lists Melhem H. Harp as a member of this group (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Illinois →
Other colorectal surgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134357189 |
| 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