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- NPI Number
- 1063918431
- Provider Type
- Individual Practitioner
- Credential
- MD
- Primary Specialty
- Internal Medicine - Gastroenterology
- License Number
- A200707
- Practice Address
- 1640 Newport BLVD STE 100
- City, State ZIP
- Costa Mesa, CA 92627
- Phone
- (949) 398-1440
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Mannat Saini, MD is a internal medicine - gastroenterology provider located in Costa Mesa, CA. They offer internal medicine - gastroenterology services to patients in the Costa Mesa area.
As a internal medicine - gastroenterology provider in Costa Mesa, this clinician evaluates and treats patients for a range of common conditions seen in Costa Mesa and throughout CA.
The practice is located at 1640 Newport BLVD STE 100, Costa Mesa, CA 92627. Patients can call 9493981440 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for patients see internists for annual physicals, management of chronic conditions such as diabetes, hypertension, and heart disease, second opinions, and coordination of care between specialists.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in CA.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to internal medicine - gastroenterology care in Costa Mesa, CA.
What a Internal Medicine - Gastroenterology provider does
Internal medicine providers, also called internists, specialize in the prevention, diagnosis, and treatment of diseases in adults. They are trained to handle both common and complex illnesses and often manage patients with multiple chronic conditions.
Common conditions treated
Internists commonly treat hypertension, type 2 diabetes, coronary artery disease, chronic obstructive pulmonary disease (COPD), thyroid disorders, kidney disease, and arthritis. They also coordinate cancer screenings and geriatric assessments.
Common reasons to schedule a visit
Patients see internists for annual physicals, management of chronic conditions such as diabetes, hypertension, and heart disease, second opinions, and coordination of care between specialists.
What to expect during a visit
Expect a thorough review of your medical history, current medications, and lifestyle. Your internist may order blood work, imaging, or other diagnostic tests to support an accurate diagnosis and treatment plan.
Insurance coverage considerations
Medicare and most commercial insurance plans cover adult preventive visits and chronic care management. Verify network status before scheduling by using our quote tool.
How to choose the right internal medicine - gastroenterology provider in Costa Mesa
Choose an internist with experience managing your specific conditions, convenient hospital affiliations, and a willingness to coordinate with any specialists you may need. Board certification in internal medicine signals additional training and commitment to ongoing education.
Looking for in-network coverage that includes this internal medicine - gastroenterology provider? Compare health plans in CA →
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 use our quote tool to find health plans in CA.
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Common questions about Mannat Saini, MD in Costa Mesa, CA.
How do I make an appointment with Mannat Saini, MD?
Call Mannat Saini, MD directly at their Costa Mesa office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Mannat Saini, MD 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 use our quote tool to find health plans in CA.
What are the office hours for Mannat Saini, MD in Costa Mesa?
Office hours for Mannat Saini, MD in Costa Mesa are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Mannat Saini, MD's Costa Mesa location?
Most provider offices in Costa Mesa offer on-site or nearby street parking. Call Mannat Saini, MD in Costa Mesa ahead of time to confirm parking options and accessibility accommodations.
Does Mannat Saini, MD offer telehealth?
Many internal medicine - gastroenterology providers in CA now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Mannat Saini, MD to ask whether a telehealth visit is appropriate for your needs.
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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. Last updated June 8, 2026.