Private longevity medicine · New Jersey · New York · Florida
A private office for your health.
One physician-led team that sets your medical strategy, coordinates your testing, and manages your training, nutrition and therapy over decades.
Who we care for
For people whose time and health are their scarcest assets.
Our members run companies, lead practices, compete, and raise families. They want the same standard of advice for their health that they expect everywhere else, delivered privately and without waiting rooms.
Founders & operators
Long hours, travel and stress, with no time to manage their own care.
Executives & professionals
Physicians, attorneys and finance leaders who want data, not reassurance.
Athletes & active adults
People who train hard and want to keep doing it for another thirty years.
Families
Couples and parents who want one team watching over the whole household.
Women
Through every transition.
Care built around perimenopause, menopause and the years after, with attention to bone, heart and metabolic health as hormones change.
- Perimenopause
- Hormone therapy
- Thyroid
- Bone density
- Body composition
Men
Performance that lasts.
Early, aggressive management of cardiovascular risk, plus testosterone, metabolic health and the strength that protects you later in life.
- Cardiovascular risk
- Testosterone
- Visceral fat
- Strength
- Joint health
Couples & families
One team for the household.
Partners join together and hold each other to the plan. Adult children and parents can be added to the same membership.
- Joint membership
- Shared accountability
- Parents & adult children
What we do
We manage your health the way a family office manages wealth: comprehensively, privately, and for the long term.
One accountable team holds the full picture. You never have to repeat your history, chase a result or decide which specialist to call.
How it works
Diagnose. Discuss. Deliver.
Every membership follows the same three phases. The first year builds your baseline. Every year after measures what changed and adjusts the plan.
A full assessment day, then the testing most physicians never order. Imaging is coordinated with trusted partners.
Advanced blood panel 100+ markers
Metabolic, hormonal, nutritional and organ function.
Advanced lipids
ApoB, Lp(a) and particle detail beyond a standard panel.
Biological age
TruDiagnostic epigenetic testing and DunedinPACE.
Hormone panel
Sex hormones, thyroid, adrenal and growth factors.
Insulin & glucose
Fasting insulin, HbA1c and HOMA-IR.
Continuous glucose 14 days
How your body handles real meals, sleep and stress.
Body composition
DEXA for lean mass, visceral fat and bone density.
VO₂ max
The strongest single predictor of all-cause mortality.
Strength & mobility
Grip, power, balance and joint range.
Coronary CT angiography Coordinated
Plaque in the arteries, years before symptoms.
Full-body MRI Coordinated
Screening for early cancers and structural problems.
Multi-cancer screening
Blood-based early detection across cancer types.
Genetic screening
Inherited risk, including APOE and cardiac genes.
Inflammation markers
hs-CRP and related markers of chronic inflammation.
Micronutrients
Vitamin D, omega-3 index, B12, iron and more.
ECG
Resting rhythm and conduction.
Gut microbiome
Composition and markers of gut health.
Sleep review
Sleep quality, timing and screening for apnea.
A long review session where Dr. Katz walks through every result and builds your protocol with you.
The output
Your protocol
A written plan with clear targets, set against your Vitaris Longevity Index.
- Where you are today, by domain
- The three changes that matter most
- Therapies, doses and timing
- When we retest and what we expect
The team carries out the plan with you, week to week, and adjusts it as your numbers move.
Jacob Katz, MD
Physician · Strategy
Owns your medical plan and every major decision.
Nurse practitioners
Day-to-day care
Your first contact for questions, labs and follow-ups.
Nutrition & coaching
Habits
Turns the plan into meals, routines and accountability.
Performance training
Strength & mobility
Builds the muscle, fitness and joints that protect you later.
The team
The people who run your health.
A small team, licensed in New Jersey, New York and Florida, with a support office behind it that handles everything you'd rather not.
Founding physician
Jacob Katz, MD
Board-certified in family and sports medicine. Sets strategy and leads every member's care.
Nurse practitioner
Rachel
Day-to-day clinical contact for follow-ups, labs and prescriptions.
Nurse practitioner
Julia
Day-to-day clinical contact for follow-ups, labs and prescriptions.
Nutrition & performance
Coaching team
Nutrition and training partners who work from your protocol.
Behind the scenes
Your concierge office
- Scheduling around your calendar
- Quarterly blood draws at home or in office
- Pharmacy, peptide and supplement fulfillment
- Imaging and specialist coordination
- Records gathered from every past physician
- Travel and visit logistics
The physician behind the practice
Jacob Katz, MD
Dr. Katz trained in family medicine and completed a sports medicine fellowship with a Johns Hopkins background. He has practiced primary care, urgent care, hospital and ringside medicine, and he founded Katz Medical Group, which cares for patients across New Jersey and Brooklyn.
He built Vitaris on the values of his mother, rheumatologist Dr. Veta Katz: know the whole patient, take the time, and treat the cause.
- Board certified, Family Medicine and Sports Medicine
- Fellowship trained, Johns Hopkins background
- NJ Top Doc
- Regenerative medicine: PRP, BMC, shockwave, Iovera
- Hormone optimization and GLP-1 metabolic care
The best time to change how you age is long before anything feels wrong.
Membership
Two memberships.
Both include the full Diagnose, Discuss, Deliver method and direct access to your physician. Pricing is shared on your introductory call.
Signature
A complete longevity baseline and a physician who follows it.
- Annual assessment day
- Advanced labs and epigenetic testing
- Vitaris Longevity Index, retested yearly
- Written personal protocol
- Quarterly physician reviews
- Direct messaging, same-day reply
- Same- or next-day appointments
Private
The most time, the deepest testing and care that comes to you.
- Everything in Signature
- Home visits by your physician
- Mid-year retesting
- Monthly reviews and protocol updates
- Physician's cell for urgent needs
- Specialist coordination and accompaniment
- Household members can be added
FAQ
Questions members ask first.
Anything else, ask on your introductory call.
How is Vitaris different from other longevity clinics?
Many clinics sell a test package and a report. Vitaris is an ongoing medical practice. Your physician holds your full history, prescribes and adjusts therapy, coordinates specialists and stays responsible for your care year after year.
Who is a good fit?
Adults who want to act on their health before problems appear, who will follow a plan, and who value direct access to a physician. It is less suited to someone looking for a one-time test or a single treatment.
Who leads the medical team?
Dr. Jacob Katz, a board-certified family and sports medicine physician, leads every member's care. Our nurse practitioners handle day-to-day follow-up under his direction.
How does membership work?
You start with an assessment day and testing over the first few weeks, followed by a protocol review. After that, care continues through scheduled reviews, messaging, office visits and, for Private members, home visits.
Can my spouse or family join?
Yes. Couples can join together, and parents or adult children can be added to a membership.
Do I still need health insurance?
Yes. Membership covers physician access and the services listed. Keep your insurance for hospital care, specialists, imaging and prescriptions. Reduced membership fees are available for insured members.
Where do prescriptions and peptides come from?
Prescriptions are filled through licensed U.S. pharmacies, including FDA-registered compounding pharmacies where appropriate. We do not use research-grade products.
Apply
Apply to join Vitaris.
Three short steps. We review every application and confirm a private introductory call with Dr. Katz.
- Phone
- (000) 000-0000
- Offices
- Marlboro, NJ · Brooklyn, NY
You're on the list.
We'll confirm your introductory call by email within one business day.