Melissa S. Pessin, MD

Medicare activity in 2024

Official CMS public-use data for Melissa S. Pessin, 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. Insertion of needle into vein for collection of blood sample (36415)1,804 services
2. Blood test, comprehensive group of blood chemicals (80053)1,672 services
3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)1,548 services
4. Magnesium level (83735)345 services
5. Lactate dehydrogenase (enzyme) level (83615)341 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%
• Arthritis47%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
• Ischemic heart disease33%
• Diabetes32%

Hospitals where Melissa S. Pessin works

Medicare's Facility Affiliation Data lists Melissa S. Pessin 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.

• The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088

Practice locations

Addresses where Melissa S. Pessin is enrolled with Medicare (CMS data updated October 2, 2026).

• 10855 Virginia St, Suite 1600Crown Point, IN 46307 (888) 824‑0200
• 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200

Group practices

Medicare enrollment lists Melissa S. Pessin as a member of this group (CMS data updated October 2, 2026).

• University of Chicago1,712 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Indiana →

Other pathologists in Crown Point

Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.

• Lindsay J. Yassan, MD
• Fatima A. Aldarweesh, MD
• Mark Roberts, MD
• Andrea D. Olivas, MD
• Timothy H. Prahlow, MD
• Nathan A. Aardsma, DO
• Ricardo R. Lastra, MD
• Ward A. Reeves, MD

All pathologists in Crown Point →

Other clinicians in University of Chicago

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

• Janet Chin, MD
• Marie V. Albarillo, PA
• George W. Weyer, MD
• Crystin J. Robbins
• Shalini E. Jayawickrama, MD
• Ezinne U. Agwaramgbo, 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