Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark S. Sugar, MD, Inc

Organization Allergy Physician · NPI 1851438212

Mark S. Sugar, MD, Inc is an Allergy Physician in Fountain Valley, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

11100 Warner Ave Ste 206
Fountain Valley, CA 92708-7506
Phone: (714) 662-0313
Fax: (714) 662-0353
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence C032628 (CA)

Record details

NPI number1851438212
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Sugar, M.D. — President · (714) 662-0313
NPI enumeratedFebruary 1, 2007
Last updated in NPPESOctober 15, 2008
Mailing address11100 Warner Ave, Suite 206, Fountain Valley, CA 92708-7506

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