Marguerite S. Lengkeek, MD

Medicare activity in 2024

Official CMS public-use data for Marguerite S. Lengkeek, 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. Professional service for preparation and provision of 1 or more antigens (95165)720 services
2. Test for allergy using allergenic extract (95004)440 services
3. Test for allergy using allergenic extract injected into skin (95024)397 services
4. Professional service for multiple injections of allergen (95117)393 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 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%
• Arthritis56%
• Asthma39%
• Anxiety34%
• Depression29%

Hospitals where Marguerite S. Lengkeek works

Medicare's Facility Affiliation Data lists Marguerite S. Lengkeek 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.

• Sentara Norfolk General HospitalNorfolk, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490007

Practice locations

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

• 1704 Sir William Osler DrVirginia Beach, VA 23454 (757) 481‑4383

Group practices

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

• Allergy and Asthma Specialists Ltd5 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in Virginia →

Other allergist and immunologists in Virginia

Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.

• Jeremy Owens, MD
• Ananth Thyagarajan, MD
• Katerina Wilson, MD
• William Eschenbacher, MD
• Laura Ispas, MD
• Robert M. Brooks, MD
• Barbara M. Mackie, MD
• John R. Forehand, MD

All allergist and immunologists in Virginia →

Other clinicians in Allergy and Asthma Specialists Ltd

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

• Lisa W. Deafenbaugh, PA
• Craig S. Koenig, MD
• Gregory G. Pendell, MD
• Gary B. Moss, 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