Boston clinicsLutanen Health

Lutanen Health

Boston Back Bay · Concierge primary care & longevity

A small Boston concierge team built around long-term physician relationships, direct access, preventive planning, advanced diagnostics, and private health management.

Jay Luthar, MD
Who you would see Jay Luthar, MD 150 · Patient panel cap
Where607 Boylston St., Suite 301, Boston, MA 02116
Who operates it

The care team

Who would actually see you, and what they trained in.

🏥 Part of Mass General Brigham
Jay Luthar, MD
Founder and Medical Director

Jay Luthar, MD

Certified in Internal, Integrative and Lifestyle Medicine (issuing boards not stated)
150Patient panel cap
Published qualifications

Instructor in Medicine, part-time, at Harvard Medical School and a faculty mentor for the Osher Center Integrative Medicine Fellowship. The clinic does not publish his medical school or residency.

🏛️
Academic role Instructor in Medicine, part-time · Harvard Medical School
🤝
Clinical affiliation Mass General Brigham
📜
Certifications Internal, Integrative and Lifestyle Medicine · issuing boards not stated
🎓
Medical school & residency Not published by the clinic
👥
Second physician Dr. Julia Loewenthal · Internal Medicine and Geriatrics; Brigham and Women’s residency; Integrative/Lifestyle certification pending
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Also on staff Doctor of physical therapy leading a Human Performance Lab
Julia Loewenthal, MD

Julia Loewenthal, MD

Internal Medicine, Primary Care & Geriatrics
Board certified in Internal Medicine and Geriatric Medicine; Integrative and Lifestyle certification pending

Kaylee LeCavalier, PT, DPT, SCS

Kaylee LeCavalier, PT, DPT, SCS

Director of Human Performance
Board-certified Sports Clinical Specialist (ABPTS); CSCS

Rachel Grosklags, RN, BSN

Rachel Grosklags, RN, BSN

Lead nurse & integrative health specialist
RN, BSN; certified health coach

Team, training and credentials as described by the clinic on its website.

Start with the outcome

What this clinic can help you evaluate or manage

Plain-language goals come first. The clinic’s named tests, treatments and programs stay below for people who want the technical detail.

Care philosophy Performance & optimizationConventional & evidence-first (secondary)

Publishes a Human Performance Lab and advanced diagnostics alongside annual preventive planning.

01
Whole-body baseline

Establish where you stand today, before symptoms show up.

Clinic lists annual preventive planning and advanced diagnostics.
02
Metabolic health & blood sugar

See diabetes direction and insulin resistance early, before they become disease.

Clinic lists molecular testing and metabolic risk assessment.
03
Strength, fitness & body composition

Measure the bone, muscle and fitness that keep you independent longer.

Clinic publishes a Human Performance Lab and fitness assessment.
04
Sleep, stress & recovery

Find what is breaking your sleep, stress response and recovery.

Clinic lists sleep optimization and personalized nutrition.
How care is delivered Ongoing preventive primary careOngoing tracking
What they do

Services explained

Plain-language groupings help make different clinic service menus easier to understand and compare.

Care model

A membership relationship centered on ongoing primary care and private health management.

Concierge primary carePrivate health managementLong-term physician relationship

Prevention

Long-term planning that brings prevention, lifestyle and health tracking into routine care.

Personalized prevention planLifestyle guidanceLongitudinal health tracking

Advanced options

Testing and imaging options the clinic may use to develop a broader health picture.

Genetic insightsMolecular testingImagingMetabolic assessments

Performance support

Assessment and coaching focused on fitness, sleep, digestion and nutrition.

Fitness assessmentSleep optimizationGut-health insightsPersonalized nutrition
Pricing and payment model

What the clinic publishes

MembershipRequest detailsThe clinic describes membership benefits but does not publish a price on the reviewed Massachusetts page.

Every figure above carries the billing basis the clinic published with it. Prices reflect clinic-published information and may change. Confirm inclusions and current fees directly with the clinic.

Recognition & affiliations

Published signals beyond the physician

Clinic-level memberships, institutional relationships and published positions. Physician training and board-certification claims are shown in the care team above.

Academic role, Jay Luthar, MD · Instructor in Medicine, part-time at Harvard Medical SchoolAcademic role, Julia Loewenthal, MD · Assistant Professor, Harvard Medical SchoolClinic positioning · Membership-based concierge medicine and private health management
Before you go

Practical information

Important planning details gathered from clinic-published information. Confirm anything that may affect your visit directly with the clinic.

InsuranceConfirm membership and insurance termsConfirm coverage and reimbursement requirements before booking.
TelehealthFlexible scheduling and digital access publishedAvailability can depend on the service and patient location.
Accepting patientsMembership inquiries openContact the clinic to confirm current scheduling.
ParkingNot published on reviewed pageConfirm access details before your first visit.
Location607 Boylston St., Suite 301, Boston, MA 02116Clinic-published address.
Phone617-676-2592Use for scheduling and practical questions.
Published pricingMembership price not publishedSee the pricing section for inclusions and caveats.
AccessibilityNot publishedAsk the clinic about building and examination-room access.
Bring this list

Questions worth asking this clinic

Drawn from what the clinic’s own materials leave open. Useful for a first call or consult.

What does membership cost per year, and what exactly does it include?
Do you bill my insurance for anything, or is everything out of pocket?
Which diagnostics happen on site versus through partners?