Joel K. Van De Graaff, MD

Medicare activity in 2024

Official CMS public-use data for Joel K. Van De Graaff, 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. Test for allergy using allergenic extract (95004)467 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)36 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)23 services
5. Test to measure rate of airflow (94375)15 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 pressure65%
• High cholesterol62%
• Arthritis46%
• Asthma43%
• Depression32%
• Anxiety31%

Hospitals where Joel K. Van De Graaff works

Medicare's Facility Affiliation Data lists Joel K. Van De Graaff 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 Nebraska Medical CenterOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280013

Practice locations

Addresses where Joel K. Van De Graaff is enrolled with Medicare (CMS data updated October 2, 2026).

• Emile 42nd StOmaha, NE 68198 (402) 559‑4015

Group practices

Medicare enrollment lists Joel K. Van De Graaff as a member of this group (CMS data updated October 2, 2026).

• UNMC Physicians1,518 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Internal Medicinealso
• Pediatric Medicinealso

Find other Allergy/Immunology doctors in Nebraska →

Other allergist and immunologists in Omaha

Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.

• Jaine M. Brownell, MD
• Brian T. Kelly, MD
• Jose L. Zamora Sifuentes, DO
• Mitchell M. Pitlick, MD
• James L. Friedlander, MD
• Andrew C. Rorie, MD
• Jennilee A. Luedders, MD
• Ebrahim M. Shakir, MD

All allergist and immunologists in Omaha →

Other clinicians in UNMC Physicians

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

• Bailey E. Waldron
• Tamara R. Dietze
• Felicia M. Wessel
• Riki R. Rutz, PA
• Abby L. Hager
• Hwi Young Kim, 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