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ConciergeInternal Medicine

Core Concierge Health

Quick Facts

Membership Price RangeConcierge Individual: $2,590/yr ($215.80/mo, $647.50/quarter, $1,295/semi-annual); Concierge Individual + 1 Family Member: $4,921/yr ($410.08/mo, $1,230.25/quarter, $2,460.50/semi-annual); Comprehensive Individual: $5,040/yr ($420/mo, $1,260/quarter, $2,520/semi-annual); 10% pre-payment discount on annual plans; 10% family member discount
Practice TypeConcierge
LocationRehoboth Beach, Coastal Delaware, Sussex County, Milton
DoctorsKathryn Grinnen DO, Internal Medicine, Bobby Gulab MD, Internal Medicine, Maria Haldar MD, Internal Medicine
Telehealth TypeVirtual visits, telephone appointments
HousecallsYes
Insurance AcceptedMedicare
Telehealth AvailableYes

About

At Core Concierge Health in Rehoboth Beach, Delaware, three board-certified internists deliver primary care rooted in proactive wellness. Dr. Kathryn Grinnen and Dr. Bobby Gulab co-founded the practice. Dr. Maria Haldar joined them, bringing over two decades of experience serving Milton and the surrounding Sussex County community. The practice organizes care around two primary membership tiers: Concierge and Comprehensive. The Comprehensive tier adds hospital care, home visits, and accompaniment to specialist appointments. All members gain access to a Wellness Center with classes in yoga, fitness, Tai Chi, stretching, breathing, and cooking. Certified Dietician Carmel Monfiletto, named Dietician of the Year by the Pennsylvania Dietetic Association, leads nutritional counseling. The practice also operates a Med Spa with laser, light, resurfacing, and aesthetic services. Primary care members receive a 20 percent discount on all aesthetic treatments.

Details

Membership

$215.8/monthly ($2,590/annual)

Membership Details

Membership fee reserves your place in the practice and ensures eligibility for all services. Insurance typically does not cover the membership fee. Members must maintain regular health insurance for specialty referrals, labs, imaging, and other testing. No locked-in period; prorated refunds available.

Telemedicine House Calls Same-Day Appointments

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Frequently Asked Questions

80 per month or $2,590 annually. The membership fee reserves your place in the practice and ensures eligibility for all services. No locked-in contract period applies, and the practice offers prorated refunds if you decide to leave.

Membership includes unlimited appointments with no time caps, guaranteed same-day access, 24/7 direct physician contact, telehealth visits, comprehensive yearly physicals, chronic disease management, prescription management, and full access to the Wellness Center and its classes. The Comprehensive tier adds hospital care, home visits, home lab draws, and accompaniment to specialist appointments.

Yes. Members must maintain regular health insurance. The membership fee covers your place in the practice and the services the physicians provide directly. Insurance covers specialty referrals, labs, imaging, and any testing performed at outside facilities.

Yes. All members receive direct physician access around the clock. After normal business hours, you contact your physician directly rather than going through an answering service or phone tree. The practice guarantees same-day appointments during regular office hours.

Yes. The practice offers telemedicine visits for members who prefer remote care. Home sick visits, home follow-up visits, and home lab draws are available under the Comprehensive membership tier. Physicians also accompany Comprehensive members to specialist visits.

The Wellness Center offers members-only classes including yoga, fitness, Tai Chi, stretching, breathing, and cooking. A Tai Chi master, culinary chef, yoga instructors, and certified health coaches lead the programming. Certified Dietician Carmel Monfiletto, recognized as Dietician of the Year by the Pennsylvania Dietetic Association, provides nutritional counseling.

Yes. The practice operates a Med Spa offering laser hair removal, IPL, Erbium laser skin resurfacing, microneedling, chemical peels, and other aesthetic treatments. Director of Aesthetic Services Cass Bosco brings over 15 years of experience. Primary care members receive a 20 percent discount on all aesthetic services.

You start by scheduling a free membership consultation. During that appointment, the team walks you through membership options, included services, and how the practice supports your health goals. You can schedule online or call the office directly at 302-585-8555.

Core Concierge Health limits its membership to maintain the quality of care each patient receives. That cap keeps appointment availability high and preserves the direct physician relationships the practice is built around.

Yes. Core Concierge Health uses the athenahealth portal, which gives members full access to their medical records online. You can also schedule appointments and communicate with the office or your physician through the portal.

Practice last updated June 14, 2026