
Precision Longevity for Rittenhouse Executives.
You live in Rittenhouse because you value quality and access. Your medical care should match your lifestyle. Direct access to Dr. Ash, anytime.
Fishtown Medicine is a virtual-first primary care practice serving Rittenhouse Square (19103). We are about 12 minutes by SEPTA Market Frankford Line from 19th Street Station to Spring Garden Station, and most members never make the trip. Care happens by text, video, and home visit so you can stay between Parc and the office.
Primary Care in Rittenhouse Square, Philadelphia

Fishtown Medicine | Neighborhoods
What anchors your week in Rittenhouse?
Rittenhouse runs on three overlapping rhythms, and our 19103 members move between them in tight loops. The Square at 6:15 am. Same crew, every weekday. Big Law partners with their golden retrievers. Finance MDs on a 4-mile loop before the desk opens. An OB-GYN hitting 12,000 steps before rounds at HUP. The pace is faster than it looks from a bench. Most of our members slot a quick text exchange into the cooldown, before the Bluestone Lane line gets out of control. The Walnut Street fitness circuit. Equinox on 1700 Walnut. Barry's Bootcamp two doors west. SLT around the corner on 18th. The Sporting Club at The Bellevue for the executives who still prefer a locker over a class. Members rotate three to five days a week between them, almost always in the 7 to 9 am window. We see the predictable stuff (lower back, plantar fascia, the IT band that wont quit) and the less obvious stuff. Perimenopause masquerading as "Barry's just got harder this year." Cortisol overrun masquerading as "I cant lose the last five pounds." When body comp wont move despite the volume, we look upstream at sleep, thyroid, and stress before changing the program. The 12-minute window between meetings. Power lunches at Parc, Dandelion, Vernick. The Comcast and Cira Centre crowd that has 12 minutes between calls. We built around exactly that. Text us from the cab on the way to Liberty Place and youll have a real answer by the time you sit down. No portal login, no callback queue, no "please hold while we transfer you." The pattern under all of it is the same. Most of our 19103 members arent joining because they cant find a doctor. Theyre joining because the doctors they could find dont match the standard everything else in their life runs at.How do I get to Fishtown Medicine from Rittenhouse?
Most members never need to. Care happens by text, video, and home visit. If you ever want to meet at the Fishtown office, your options:- SEPTA Market-Frankford Line from 19th Street Station to Spring Garden Station (about 12 minutes plus a 5-minute walk).
- Driving via Vine Street Expressway (about 15 minutes off-peak).
- Bike via the Schuylkill River Trail and connector (about 25 minutes).
Where do members go for labs and imaging?
Rittenhouse is the most lab-dense part of the city:- Quest Diagnostics at 1601 Walnut and several other Center City locations within a 5-minute walk.
- LabCorp on Walnut and at 30th Street Station.
- Mobile phlebotomy to your apartment so you never set foot in a LabCorp.
Is this concierge medicine?
In terms of access and quality, yes. In terms of price, no. Our flat-fee model is significantly more accessible than the traditional Center City retainer practices because we cut out the parts that do not actually make you healthier.Actionable Steps for Rittenhouse Residents
- Book a free 20-minute warm invitation call. Schedule it like any other meeting.
- Send your records. We import labs, imaging, and specialist notes from Penn or Jefferson.
- Save Dr. Ash's number. Members text directly. No portal, no phone tree.
Executive Health in Rittenhouse: Beyond the Checkup
Rittenhouse is the hub of Philadelphia's corporate and legal leadership. We provide a level of Executive Health that traditional 15-minute primary care cannot match:- Longevity physicals with VO2 max, ApoB, and DEXA body composition.
- High-stakes stress management with HRV-guided strategies for the 80-hour work week.
- Specialist coordination: we act as your health quarterback, managing the data from your Penn or Jefferson specialists.
Deeper Questions for Rittenhouse Residents
I have a chronic condition (hypertension, anxiety, prediabetes). How does this work in 19103?
We manage most chronic conditions inside the membership: hypertension, anxiety, depression, ADHD evaluation, GERD, prediabetes, lipids, hypothyroidism, and chronic insomnia. The shift compared to traditional primary care is more time, more access, and continuity.Are there health concerns specific to high-rise living in Rittenhouse?
A few worth thinking about:- Indoor air quality in tightly sealed high-rises with gas stoves and shared HVAC.
- Sedentary defaults: 30-second walk to the elevator, 30-second walk to your desk. We design around it.
- Light exposure: many 19103 units face into other buildings. Light timing matters for sleep and mood.
- Sleep disruption from city noise and travel for work.
What about air quality near the Vine Street Expressway?
Northern blocks of Center City closer to Vine see more traffic-related air pollution. If you have asthma, unexplained chronic cough, or frequent sinus issues, we screen for it and talk through real mitigation.Is Rittenhouse walkable enough for daily movement?
Walk Score in the high 90s. Rittenhouse Square itself, the Schuylkill River Trail, the Schuylkill Banks, and the Center City connectors give you real options. We build movement plans that use them.I work 70+ hour weeks in Big Law, finance, or consulting. How does this fit?
This is one of our most common Rittenhouse profiles. The pitch is simple: visits start on time, end on time, and happen between meetings. Same-day text access means small problems do not become 2 a.m. ER visits. We work around your calendar.I travel for work most weeks. How does this work?
We are licensed in 42 states and adding more. Your care travels with you. Video visits, refills, and acute care all work whether you are in Philadelphia, New York, San Francisco, or London (with planning).I want longevity care, not just sick care. What do you offer?
Most Rittenhouse members come for exactly this. The longevity layer:- ApoB and Lp(a) for cardiovascular risk.
- Insulin sensitivity to catch metabolic dysfunction early.
- Hormones (testosterone, thyroid, cortisol).
- DEXA for body composition and bone density.
- VO2 max guidance, the single best longevity predictor in the literature.
I want a real executive physical without flying to the Mayo Clinic. Can I get one?
Yes. Our annual deep-dive includes everything a Mayo executive physical covers: advanced lipidology, hormones, insulin, body composition, VO2 max guidance, and a written 12-month plan. Structured around your actual schedule. Most of it happens between video, your apartment, and one lab visit.How does Fishtown Medicine compare to Penn or Jefferson primary care?
Penn and Jefferson primary care is staffed by good doctors stuck in 12-15 minute slots. Same-day access is rare. We are direct primary care: long first visits, same-day text access, no rotating residents. We refer into Penn and Jefferson for specialty care and we coordinate the records back.Discretion and privacy?
Virtual care offers the ultimate discretion. No running into colleagues or clients in a Walnut Street waiting room. Standard HIPAA, secure tools.What about TRT and hormone work?
Yes. For men, we run advanced hormone panels and address the systems behind low T (sleep, insulin, stress) before reflexively prescribing testosterone. For women, perimenopause and menopause are managed directly with evidence-based hormone therapy when appropriate.Cortisol, HRV, and stress management for high-stakes leadership?
We do not just say "manage stress." We measure HRV with your wearable, look at AM cortisol, screen for sleep apnea (under-diagnosed in high-stress executives), and address the actual physiology. Where lifestyle is not enough, we are pragmatic about medication.Can my company offer this as an executive benefit?
Yes. We work with Rittenhouse and Center City employers on small-group executive memberships. Reach out to discuss.What if I get sick on a Friday before a Monday board meeting?
Text Dr. Ash on Friday. We handle most acute issues by text or video the same day. If you need a hands-on exam, we come to your apartment. The board meeting still happens.Meet Your Physician
Ashvin Vijayakumar MD (Dr. Ash) is a board-certified internal medicine physician based in Philadelphia. He built Fishtown Medicine to give Rittenhouse executives the kind of high-touch, longevity-focused primary care that traditional concierge cannot deliver at the same value.Frequently Asked Questions
Common Questions
Still have a question?
He answers personally. Usually within a few hours.
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