Quick answers
- Does Rita J. El-Hajj accept Medicare assignment?
- Yes. Medicare's clinician data says Rita J. El-Hajj 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 Rita J. El-Hajj see?
- In 2024, CMS data shows 694 Original Medicare patients and 15,082 services for Rita J. El-Hajj. This counts Original Medicare only and measures volume, not quality.
- What is Rita J. El-Hajj's NPI number?
- 1801867726. 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 Rita J. El-Hajj, 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 | 694 |
|---|---|
| Services billed to Medicare | 15,082 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, romosozumab-aqqg, 1 mg (J3111)7,350 services
- Injection, denosumab, 1 mg (J0897)6,540 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)457 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)210 services
- Injection of drug or substance under skin or into muscle (96372)147 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 cholesterol75%
- High blood pressure68%
- Arthritis51%
- Osteoporosis42%
- Ischemic heart disease37%
- Diabetes36%
Hospitals where Rita J. El-Hajj works
Medicare's Facility Affiliation Data lists Rita J. El-Hajj 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.
- Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
- Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222
Practice locations
Addresses where Rita J. El-Hajj is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 E Lancaster AveWynewood, PA 19096
- 1100 Hector St, Suite 105Conshohocken, PA 19428 (610) 828‑2608
- 830 Old Lancaster RdBryn Mawr, PA 19010
Group practices
Medicare enrollment lists Rita J. El-Hajj as a member of this group (CMS data updated October 2, 2026).
- Main Line Healthcare1,184 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Wynewood
Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.
Other clinicians in Main Line Healthcare
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801867726 |
| 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