Published by
Shilpa Paradkar Singh, MD
Physician-Owned Practice
NYU, Sinai, HSS + More
Referrals When Needed
Often Available
Independent primary care means your doctor’s office is not owned by a hospital system, corporate chain, or rotating urgent-care group. In NYC, that can matter because primary care depends on access, continuity, callbacks, lab follow-up, medication management, and a clinician who knows your history.
Atrium Medical is an independent, physician-owned internal medicine practice in Midtown Manhattan. We offer insurance-based primary care from one office, one team, one phone number, and one longitudinal medical record. Atrium is a physician-led team, not a single doctor covering every patient alone, so care continues even when your usual doctor is out sick, overbooked, or out for vacation.
You do not have to leave your NYU, Mount Sinai, HSS, Weill Cornell, Northwell, MSK, Lenox Hill, or NewYork-Presbyterian specialists to make Atrium your primary care home. Many patients use Atrium for annual physicals, sick visits, labs, medication management, pre-op clearance, and follow-up while continuing specialist care inside major hospital systems.
If you do not already have the right specialist, Atrium can help coordinate referrals to appropriate specialists across New York’s major medical networks.
This page is for patients who want faster scheduling, clearer communication, and ongoing primary care without being forced into a hospital-system queue.
Not all primary care in New York works the same way. Understanding the differences helps patients make a more informed decision about what model actually fits their life.
| Model | What it is | Common strengths | Common friction points |
|---|---|---|---|
| Hospital-affiliated primary care | Primary care inside a major hospital system such as NYU Langone, Mount Sinai, or Northwell. | Easy integration with hospital specialists, shared records within the system, institutional backing. | Centralized scheduling, longer new patient waits, portal-based communication, multiple administrative layers between patient and clinician. |
| Large multi-location medical groups | Branded outpatient groups with multiple offices and rotating provider pools. | Convenience, extended hours, digital booking tools. | Provider continuity is limited, workflows are standardized across the group, billing models vary. |
| Urgent care | Episodic acute care for walk-in concerns. | Fast one-time access, no appointment needed. | No longitudinal relationship, not designed for ongoing primary care. |
| Independent insurance-based primary care (Atrium) | Physician-owned local practice, one office, one team, insurance accepted. | Continuity, direct access, flexibility, transparent billing, no mandatory membership. | Smaller footprint than a health system; fewer locations. |
Most patients do not choose a primary care practice based on ownership structure. They choose based on how care actually works when they need it. These are the frustrations we hear most often from patients who switch to Atrium from a hospital-affiliated practice:
These frictions are not because physicians inside hospital systems are less capable. Many are excellent. They arise because operating at hospital scale requires centralized scheduling, standardized workflows, and administrative layers that can make routine primary care feel impersonal. Independent primary care is built specifically to remove those layers.
If you have a surgery scheduled at HSS, Lenox Hill, Weill Cornell, NYU Langone, Mount Sinai, NewYork-Presbyterian, Memorial Sloan Kettering, or any major NYC surgical center, you need medical clearance before the procedure. Your surgeon’s office will give you a clearance form — often the night you schedule the surgery. What surgeons’ offices often do not tell you is that getting that clearance completed quickly through a hospital’s own primary care system can be the hardest part of the entire pre-surgical process.
For many patients, the hardest part is not the surgery consult. It is finding a primary care appointment fast enough to complete the clearance requirements before the surgical deadline.
Here is what typically happens when patients try to get pre-op clearance through a hospital-affiliated practice:
At Atrium, the timeline is different. We can typically see patients for pre-op clearance within one to two business days. If you are an established Atrium patient, we already know your medical history, your medications, your cardiac risk factors, and your prior workup — so the visit is focused, efficient, and complete in a single appointment.
Once required results are available and the patient is medically cleared, we send the signed clearance form directly to your surgical team by fax or secure email, with the labs and EKG attached. We work with the clearance forms used by all major NYC surgical centers and hospitals — HSS, Lenox Hill, Weill Cornell Medicine, NYU Langone Health, Mount Sinai, NewYork-Presbyterian, Memorial Sloan Kettering, and Manhattan Eye, Ear and Throat.
A pre-op clearance visit at Atrium typically covers: focused physical examination, EKG, basic labs when needed (CBC, CMP, coagulation studies as indicated), cardiovascular risk stratification, medication review and pre-operative medication management instructions, and attending physician sign-off.
Atrium Medical Primary Care is independent, but the clinical foundation is rooted in New York’s major medical institutions. Dr. Shilpa Paradkar Singh is a board-certified internal medicine physician with over 20 years of clinical experience, including more than 14 years treating patients in New York City. She completed her residency at Mount Sinai Hospital and holds clinical affiliations with NYU Langone Health and Lenox Hill Hospital. She is also a USCIS-designated civil surgeon, authorized by the federal government to perform immigration medical examinations.
Before founding Atrium Medical in 2018, Dr. Singh served as Medical Director of Yaffe Ruden and Associates, a longstanding Upper East Side internal medicine practice, and previously practiced at Ninth Street Internal Medicine and served as adjunct faculty at Pennsylvania Hospital. She has been recognized annually by New York Top Docs since 2018 and currently serves on the Clinical Practice Committee of the NYU Langone Physician Network. Her full professional credentials and hospital affiliations are listed on her NYU Langone physician profile. Atrium was founded in 2018 and has cared for thousands of New Yorkers across a wide range of primary care needs. Meet the full clinical team at Meet the Team.
Being independent does not mean being isolated. It means the practice is not owned or directed by a hospital system, and that clinical decisions are made by clinicians who know the patient, not by system-wide protocols applied without individual context.
Hospital systems are essential for what they are built for. Go to an emergency room or call 911 for:
For complex specialist care, surgery, and inpatient needs, New York’s major hospital systems are world-class. Atrium coordinates with those systems — managing pre-op and post-op care, maintaining the longitudinal record, and keeping the full clinical picture organized, while patients continue to see the specialists they trust.
Billing confusion is one of the most common frustrations patients report when leaving larger practices. Here is how billing works at Atrium:
Atrium accepts Aetna, Cigna, Blue Cross Blue Shield, UnitedHealthcare, Oxford, Medicare, and most major commercial insurance plans. See accepted insurance plans for details.
See what to expect at a new patient visit for the full walkthrough.
Atrium Medical is located at 160 East 56th Street, 12th Floor, in the center of Midtown East — within walking distance of the major Midtown office corridors along Park Avenue, Lexington Avenue, and Third Avenue. Three blocks south of the 59th Street subway hub serving the 4, 5, 6, N, Q, R, and W trains.
The practice is convenient for patients who live or work in Midtown East, Sutton Place, Turtle Bay, Beekman Hill, Murray Hill, the Upper East Side, and the broader Midtown Manhattan corridor.
Independent primary care means your doctor’s office is not owned or controlled by a hospital system, private equity-backed chain, or corporate medical group. The practice is responsible for its own scheduling, staffing, communication, clinical workflow, and patient experience. At Atrium Medical, that means physician-led internal medicine in Midtown Manhattan, a consistent clinical team, direct front-desk access, and care delivered from one office at 160 East 56th Street.
Hospital-affiliated primary care practices are often part of large systems with centralized scheduling, departmental queues, portal-based communication, and multiple layers between the patient and the clinician. Those systems are excellent for surgery, hospitalization, and complex specialty care, but they can feel slow or impersonal for day-to-day primary care. Atrium is an independent practice: one local clinical team, one front desk, one phone number, and one longitudinal medical record.
Yes. Many patients use Atrium Medical as their primary care home while continuing to see specialists or surgeons at NYU Langone, Mount Sinai, Northwell, Lenox Hill, Weill Cornell, HSS, Memorial Sloan Kettering, or other major New York hospital systems. Switching your primary care does not mean leaving your specialists. Atrium manages your ongoing primary care, annual physicals, labs, medications, pre-op clearance, and follow-up, while specialists handle the focused areas where hospital systems are strongest.
You do not need to fight with the old portal yourself. During your first visit, sign a HIPAA release form and Atrium’s team will contact your previous practice or hospital directly to request prior labs, imaging reports, medication lists, visit notes, vaccine records, and relevant specialist documentation.
Yes. Atrium Medical accepts Aetna, Cigna, Blue Cross Blue Shield, UnitedHealthcare, Oxford, Medicare, and most major commercial insurance plans. The team can help verify your benefits before your visit. See accepted insurance plans.
Often, yes. Same-day and next-day appointments are frequently available depending on the issue and the schedule. Atrium is not an urgent care center, but many same-day medical concerns can be handled in primary care when clinically appropriate. For guidance on when primary care, urgent care, or the emergency room is the right setting, see urgent care vs. primary care.
Yes. Atrium Medical can typically see patients for pre-op clearance within one to two business days. A visit includes a focused physical exam, EKG, labs when needed, medication review, cardiovascular risk assessment, and completion of the surgeon’s clearance form. Once required results are available and the patient is medically cleared, we send the signed form directly to the surgical team.
New York City is one of the most hospital-dominated healthcare markets in the United States. The major systems have spent the last decade acquiring independent practices and consolidating primary care under their networks. For many New Yorkers, the default option is a practice embedded inside a large institution. Independent primary care gives patients an alternative: a smaller, physician-led practice with faster scheduling, direct communication, and continuity over time.
Atrium is a good fit for patients who want a real primary care relationship: annual physicals, same-day access when available, medication management, lab follow-up, preventive care, chronic condition management, and coordination with specialists. It is especially useful for patients who are tired of starting over at each visit, waiting weeks for routine care, or trying to manage everything through a hospital portal.
Check insurance, then book a new patient visit or call 212-457-1722. Atrium Medical is located at 160 East 56th Street, 12th Floor, near the 59th Street subway hub and Grand Central.
No. Atrium Medical in Midtown Manhattan is a local, independent, physician-owned primary care practice in New York City. It is not affiliated with Atrium Health, Atrium Health Wake Forest Baptist, or any North Carolina-based hospital system that shares the Atrium name.
Atrium Medical Primary Care accepts most major insurance plans and offers same-day appointments when available. We are located at 160 East 56th Street, 12th Floor, in Midtown East Manhattan. Book an appointment online or call 212-457-1722.
Someone from our office will contact you as soon as possible. For immediate assistance during regular office hours, please call +1 212-4571722 and select the correct prompt. If this is a medical emergency, please call 911 or visit the nearest hospital.