Mr Mark Steven Sugar, MD - Medicare Allergy/immunology in Laguna Niguel, CA

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Mr Mark Steven Sugar, MD is a medicare enrolled "Allergy & Immunology - Allergy" physician in Laguna Niguel, California. He went to University Of Maryland School Of Medicine and graduated in 1969 and has 56 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Allergy And Asthma Associates Of Southern Calif Inc and his current practice location is 28202 Cabot Rd Ste 105, Laguna Niguel, California. You can reach out to his office (for appointments etc.) via phone at (949) 364-2900.

Mr Mark Steven Sugar is licensed to practice in California (license number C032628) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1013959253.

Contact Information

Mr Mark Steven Sugar, MD
28202 Cabot Rd Ste 105,
Laguna Niguel, CA 92677-1247
(949) 364-2900
(949) 365-0117

Map and Direction




Physician's Profile

Full NameMr Mark Steven Sugar
GenderMale
SpecialityAllergy/immunology
Experience56 Years
Location28202 Cabot Rd Ste 105, Laguna Niguel, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr Mark Steven Sugar attended and graduated from University Of Maryland School Of Medicine in 1969
  NPI Data:
  • NPI Number: 1013959253
  • Provider Enumeration Date: 06/12/2006
  • Last Update Date: 07/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6800887993
  • Enrollment ID: I20040518001617

Medical Identifiers

Medical identifiers for Mr Mark Steven Sugar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013959253NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KA0200XAllergy & Immunology - Allergy C032628 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Allergy And Asthma Associates Of Southern Calif Inc96382606646

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr Mark Steven Sugar allows following entities to bill medicare on his behalf.
Entity NameAllergy & Asthma Associates Of Southern Calif Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164523122
PECOS PAC ID: 9638260664
Enrollment ID: O20070806000706
Entity NameOso Specialty Infusion Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700305505
PECOS PAC ID: 3274894720
Enrollment ID: O20180227000349

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr Mark Steven Sugar is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr Mark Steven Sugar, MD
28202 Cabot Rd Ste 105,
Laguna Niguel, CA 92677-1247

Ph: (949) 364-2900		Mr Mark Steven Sugar, MD
28202 Cabot Rd Ste 105,
Laguna Niguel, CA 92677-1247

Ph: (949) 364-2900

Reviews and Comments


Allergy & Immunology Doctors in Laguna Niguel, CA

Marc Lawrence Dyer, MD
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Practice Location: 30131 Town Center Dr Ste 120, Laguna Niguel, CA 92677
Phone: 949-495-2500    Fax: 949-495-2703
Dr. Vinay Mehta, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 28202 Cabot Rd Ste 105, Laguna Niguel, CA 92677
Phone: 949-364-2900    Fax: 949-365-0117
Dr. Ronald David Gehling, M.D.
Allergy & Immunology
Medicare: May Accept Medicare Assignments
Practice Location: 30131 Town Center Dr Ste 120, Laguna Niguel, CA 92677
Phone: 949-495-2500    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.