Karen Sun, M.D, INC
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A simple overview of this provider's main area of care.
Care Category
Other Health Services
Provider Type
Healthcare Providers
Primary Specialty
Clinic/Center
Registry identifiers, classification, and the primary practice record.
- NPI Number
- 1952316333
- Provider Type
- Organization
- NPI Record Status
- Active NPI record
- Primary Specialty
- Ambulatory Health Care Facilities - Clinic/center
- Specialty Registry Code
- 261Q00000X
- License Number
- A41436
- Primary Practice Address
- 4 Hughes STE 150
- City, State ZIP
- Irvine, CA 92618
- Practice Phone
- (949) 768-6782
- Record Updated
- July 15, 2026
- Source
- NPPES NPI Registry
Public registry data is a starting point. Confirm these details directly before a visit.
- Whether the provider is accepting new patients
- Your exact plan and network participation
- Current hours, telehealth, and accessibility
- Referral or prior-authorization requirements
Karen Sun, M.D, INC is listed in the National Provider Identifier registry as a ambulatory health care facilities - clinic/center organization in Irvine, CA.
The public record lists a practice address at 4 Hughes STE 150, Irvine, CA 92618. Call (949) 768-6782 to confirm current scheduling details, or use the directions link above to locate the office.
If you plan to see Karen Sun, M.D, INC, confirm that the practice accepts your exact plan and participates in the applicable network before scheduling. Coverage details vary by plan, and our coverage flow can connect you with plan information in CA.
This public record was updated on July 15, 2026. Provider information can change between registry updates, so please confirm details directly with the practice before scheduling.
Karen Sun, M.D, INC
4 Hughes STE 150, Irvine, CA 92618
General guidance about ambulatory health care facilities - clinic/center care in Irvine, CA; it does not confirm services offered by this provider.
What a Ambulatory Health Care Facilities - Clinic/center provider does
Healthcare providers diagnose, treat, and help prevent illness and injury. They work with patients to manage ongoing conditions, interpret test results, prescribe medications when appropriate, and coordinate care with other specialists. Most providers accept both insured and self-pay patients, and many offer telehealth visits for routine concerns.
Common conditions treated
Common conditions evaluated include high blood pressure, diabetes, respiratory infections, allergies, skin conditions, digestive complaints, headaches, and musculoskeletal pain. Providers also handle preventive screenings and routine lab work.
Common reasons to schedule a visit
Common reasons to schedule a visit include annual checkups, new or worsening symptoms, medication refills, lab work, preventive screenings, chronic condition management, and second opinions.
What to expect during a visit
During a typical visit, the provider will review your medical history, ask about current concerns, perform a relevant examination, and recommend next steps such as lifestyle changes, prescriptions, additional testing, or specialist referrals. Bring a list of current medications, recent test results, and questions you would like answered.
Insurance coverage considerations
Most major insurance plans cover preventive care and medically necessary visits, but copays, deductibles, and network restrictions vary. Contact your insurance carrier or use our quote tool to confirm a provider is in-network before scheduling.
How to choose the right ambulatory health care facilities - clinic/center provider in Irvine
When choosing a healthcare provider, look for board certification, convenient location and hours, accepted insurance plans, and a communication style that fits your preferences. Patient reviews and hospital affiliations can also help you make a confident decision.
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Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also explore coverage options in CA, then verify network participation directly.
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Common questions about Karen Sun, M.D, INC in Irvine, CA.
How do I make an appointment with Karen Sun, M.D, INC?
Call Karen Sun, M.D, INC directly at the Irvine office to ask about appointments.
Does Karen Sun, M.D, INC accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also explore health coverage options in CA.
What are the office hours for Karen Sun, M.D, INC in Irvine?
Office hours for Karen Sun, M.D, INC in Irvine are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Karen Sun, M.D, INC's Irvine location?
Parking and accessibility information is not included in the public NPI record. Call Karen Sun, M.D, INC in Irvine before visiting to ask about parking, entrances, elevators, and other accommodations.
Does Karen Sun, M.D, INC accept walk-in appointments?
Walk-in availability is not listed in this profile. Call Karen Sun, M.D, INC before visiting to confirm same-day availability.
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Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Record updated July 15, 2026.