Diana I. Ortiz, MD

Medicare activity in 2024

Official CMS public-use data for Diana I. Ortiz, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)56 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)25 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)23 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 services
5. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)11 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%
• Ischemic heart disease55%
• Arthritis49%
• Anxiety35%
• Depression34%

Hospitals where Diana I. Ortiz works

Medicare's Facility Affiliation Data lists Diana I. Ortiz 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.

• Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390329
• Jefferson Lansdale HospitalLansdale, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390012

Practice locations

Addresses where Diana I. Ortiz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

• 5501 Old York RdPhila, PA 19141
• 5501 Old York Rd Levy 2, Einstein Pediatrics AssociatesPhiladelphia, PA 19141 (215) 456‑6786
• 5501 Old York Rd Wcb 4th Flr, Einstein Ct Surgery AssocPhiladelphia, PA 19141 (215) 456‑8270
• 559 W Germantown PikeEast Norriton, PA 19403
• 559 W Germantown PikeNorristown, PA 19403 (610) 279‑1500

Group practices

Medicare enrollment lists Diana I. Ortiz as a member of this group (CMS data updated October 2, 2026).

• Einstein Practice Plan Inc794 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Pennsylvania →

Other general surgeons in Phila

Clinicians with the same Medicare primary specialty in Phila, PA — not a recommendation.

• Nikolaos Chandolias, MD
• Megan Lundy, MD
• Michael E. Huffner, MD
• Ehyal Shweiki, MD
• Sriharsha Gummadi, MD

All general surgeons in Phila →

Other clinicians in Einstein Practice Plan Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Joel D. Pomerantz, MD
• Michelle C. Cerasuolo, CNA
• Deepika R. Kalisetti, MD
• Aman Amanullah, MD
• Parveen Gaba, MD
• Richard H. Fine, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians