Dr. Mark S. Sugar
Last updated: Jul 11, 2025

Dr. Mark S. Sugar

  • Gender: Male
  • Experience: 52 years
  • Graduated from: University Of Maryland School Of Medicine
  • Graduation year: 1969
  • Sole propriator: No
  • NPI: 1013959253

Dr. Mark S. Sugar M.D.

Allergist and Immunologist

He is located at 28202 Cabot Road Suite 105 in Laguna Niguel, CA 92677. Can help patients with the following: Allergic Reaction, Eye Allergy, Food Allergy, Lactose Intolerance, Mold Exposure, Sinusitis. His National Provider Identifier (NPI) number is 1013959253. Appointment can be made via the phone number (949) 364-2900. He is affiliated with 2 practices.

Conditions treated

Dr. Mark Steven Sugar, being an allergist and immunologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark S. Sugar.

  • Allergic Reaction
  • Allergies
  • Asthma
  • Celiac Disease
  • Chronic Rhinitis
  • Contact Dermatitis
  • Eosinophilic Esophagitis
  • Eye Allergy
  • Food Allergies
  • Food Allergy
  • Hay Fever
  • Lactose Intolerance
  • Mold Exposure
  • Peanut Allergy
  • Pink Eye
  • Plant Contact Allergy
  • Sinusitis

Procedures Performed by Dr. Mark S. Sugar

Medicare Enrollment

Dr. Mark S. Sugar is enrolled to bill Medicare as a Practitioner - Allergy/immunology .

Bills through: Allergy & Asthma Associates Of Southern Calif Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

GlaxoSmithKline $193
AstraZeneca $151
Regeneron $86

Other

Food and Beverage $1071

Studies

UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE

Graduated in 1969

Affiliated practices

Allergy & Asthma Associates of Southern Calif
27800 Medical Center Road
Mission Viejo, 92691 CA
(949) 364-2900
Oso Home Care
17175 Gillette Avenue
Irvine, 92614 CA
(949) 660-7126

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Questions & Answers

Where can you meet with Dr. Mark Steven Sugar?

Dr. Mark Steven Sugar's office is located at 28202 Cabot Road Suite 105 in Laguna Niguel, CA 92677.

What conditions does Dr. Mark Steven Sugar treat?

Dr. Mark Steven Sugar provides treatment for Allergic Reaction, Eye Allergy, Food Allergy, Lactose Intolerance, Mold Exposure, Sinusitis. For the full list see this list.

Does Dr. Mark Steven Sugar have affiliation with practices?

Dr. Mark Steven Sugar is affiliated with Allergy & Asthma Associates of Southern Calif. For the full list of practices see this list.