What entity type do Nephrology private practices in New York use?

Most Nephrology private practices in New York are structured as PC, PLLC entities. The choice depends on state law, tax strategy, and liability preferences. A healthcare attorney can advise on the right structure.

What is a physician-owned Nephrology practice?

A physician-owned Nephrology practice is one where licensed physicians hold controlling ownership. This distinguishes it from hospital-employed positions, corporate medical groups, or practices backed by private equity, where non-physician entities own or control the business.

What does NPPES Verified mean?

NPPES stands for the National Plan and Provider Enumeration System, a federal database maintained by CMS. Every practice in this directory has an active NPI (National Provider Identifier) record in NPPES, which confirms it is a registered medical practice in the United States.

How do I join a Nephrology private practice in New York?

Start by contacting the practice directly using the website or phone number listed in this directory. Before negotiating any offer, have a physician contract attorney licensed in New York review the employment agreement, particularly non-compete clauses, compensation structure, and buy-in terms for partnership-track positions.

Nephrology Private Practices in New York (251 Verified Groups) | Daniel Aragón

There are 251 physician-owned nephrology practices in New York, vetted against the NPPES NPI Registry. Hospital-employed, government, and academic positions are excluded.

Before you sign, see what else exists.

Independent Nephrology Groups in New York

Q: What does the Corporate-Acquired or MSO-Affiliated flag mean?

The Corporate-Acquired flag indicates the practice was historically physician-owned but has since been acquired by a corporate entity such as Optum or UnitedHealth Group. The MSO-Affiliated flag indicates the practice participates in a Management Services Organization, which provides administrative infrastructure while physicians retain ownership at the practice level. These flags help physicians understand the ownership structure before reaching out.

Most PGY-Final-Year physicians sign their first nephrology contract in New York without knowing what else is out there. This directory shows the 596 groups they were never told about.

From your first MCAT prep book to your last in-training exam, the next step was always pre-written. Someone handed you the syllabus. You showed up. You did the work.

A physician who can see that there are 40 physician-owned nephrology groups within 50 miles walks into a contract negotiation with completely different leverage than one who assumes the hospital is the only option. Non-compete radius, buy-in terms, tail coverage, all of it becomes more negotiable once you actually know what is around you. The Real Contract course walks you through every clause that matters.

NOT INCLUDED IN THIS DIRECTORY

Hospital-employed, government-operated, and academic positions are excluded. These are not independent private practices:

Federal facilities

VA Bronx
VA NY Harbor Healthcare System
VA Long Island
VA Hudson Valley
VA Westchester
VA Western New York Health Care System
914th Air Refueling Wing

Maintained by Daniel Aragón, MD, MBA, a physician who just walked this path. Last verified 2026-05-18.

NPPES Verified

Dialysis CenterNephrologistDialysis Center

34-35 70th St, Jackson Heights, NY 11372

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Staten Island

NPPES Verified

NephrologistNephrologist

Practicing nephrology in Staten Island, New York, Dr. Sunithi K. Vinay offers care through an owner-operated medical office. Services extend to kidney disease management. Reach out by phone for information about joining this practice.

78 Todt Hill Rd # 204, Staten Island, NY 10314

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Yonkers

NPPES Verified

NephrologistInternistNephrologist

Located in Yonkers, New York, Dwarka P Rathi Md delivers nephrology care through an independently managed medical practice. Services extend to kidney disease management and internal medicine. Reach out by phone for information about joining this practice.

984 N Broadway, Yonkers, NY 10701

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About this directory and the New York nephrology market

Training ends. The map does not continue.

Then PGY-Final hits, and the page is blank. A recruiter calls. A contract lands in your inbox with a 50-mile non-compete, an opaque productivity model, and a signing bonus you do not understand the strings on.

Nobody is telling you what other nephrology practices exist in New York, what the contract really says, or which lawyer to call. The senior people in your program signed without reading because they had no guide either. This directory is the first page of the map.

What other resources point to in New York

This directory covers 251 independently operated nephrology practices in New York. The data comes from two sources: the NPPES NPI Registry (the federal provider database maintained by CMS) and DataForSEO business listings for contact details and descriptions. I've excluded every practice that doesn't qualify as physician-owned. That means hospital-employed positions, academic roles, and corporate medical groups are filtered out. What remains is 596 practices across 73 cities.

If you're evaluating a move to private practice in New York, this is a starting point you won't find on a job board. Most boards mix employed positions with ownership opportunities, and they almost never tell you who actually owns the practice. Recruiters aren't much better. This page filters for physician ownership specifically, so you can focus on practices where clinical autonomy isn't just a talking point in an interview. It's built into the ownership structure.

The New York nephrology market in detail

New York's physician-owned nephrology directory lists 251 practice locations across 69 cities. The largest groups include New York Kidney Physicians PLLC (5 locations), Alfred Raciti, MD (3 locations), and Noam Spinowitz, MD (2 locations).

None of the nephrology practices listed in New York carry a PE-Backed or Corporate-Acquired flag. All listings in this directory are physician-owned independent practices verified through NPPES.

Practices span 69 cities including Albany, Amsterdam, Astoria, and Bay Shore.

The PGY-Final-Year Path

What to do with this list.

Browsing 53,000+ practices is not the work. Translating that into a contract you understand and a lawyer who will read it with you is the work. Here is how.

See what is around you

You are already here. 251 physician-owned nephrology groups in New York, vetted against NPPES.

Read your contract

The Real Contract walks you through every clause that matters: non-compete, productivity, tail coverage, partnership track.

Hire the right lawyer

A vetted directory of physician-contract attorneys in New York. The person on your side should be one who actually does this work.

The Real Contract ($99) Find a Lawyer in New York

Stop being recruited. Start choosing.

You do not have to sign the first contract you see.

There are 596 other nephrology groups in New York that physicians still own. Now you know about them.

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Nephrology in Nearby States

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Contract Lawyers in New York

Attorneys who work specifically with physicians on employment agreements.

The Real Contract

Know what every clause means before you sign. $99.

Contract Glossary

RVU, tail insurance, non-compete: plain-language definitions for 100+ terms.

“You are not alone in not knowing. Nobody told you what came after the Match.”

Daniel Aragón, MD, MBA

Frequently asked questions about nephrology in New York

How many Nephrology private practices are in New York?

There are 251 physician-owned nephrology private practices in New York, verified against the NPPES NPI Registry. All are independently operated. Hospital-employed, government, corporate, and academic positions are excluded.

What does physician-owned mean?

A physician-owned practice is one where licensed physicians hold controlling ownership of the business entity. This is distinct from hospital employment, corporate medical groups, or private equity-backed practices where non-physician entities control the business.

What does the Corporate-Acquired or MSO-Affiliated flag mean?

The Corporate-Acquired flag means the practice was historically physician-owned but has since been acquired by a corporate entity such as Optum. The MSO-Affiliated flag means the practice uses a Management Services Organization for billing and administration while physicians retain practice-level ownership.

Dialysis Clinic Ownership in New York Nephrology

New York's physician-owned nephrology practices include Renal Associates of Long Island (Hempstead, 5 physicians), NY Nephrology, Hypertension and Transplantation (New York City), and Buffalo Nephrology Associates (Buffalo, 5 physicians).

What is an NPPES-verified practice?

NPPES is the National Plan and Provider Enumeration System, a federal database maintained by CMS. Every practice in this directory has an active NPI record in NPPES, confirming it is a registered U.S. medical practice.

Is dialysis clinic ownership still possible for nephrologists in private practice in New York?

Yes, but it is increasingly difficult. Roughly 80% of U.S. dialysis facilities are controlled by DaVita or Fresenius. Independent or joint-venture physician ownership still exists in New York in some markets, particularly smaller communities where the national dialysis organizations have less penetration. CMS certification, ESRD Network participation, and CON requirements (if applicable in New York) must all be navigated. Physician-owned dialysis revenue historically represented 30-50% of total nephrologist income in practice settings that had it.

How Physician-Owned Practices Compare

	Physician-Owned	Hospital-Employed	Corporate / PE-Backed
Who controls the practice	Physicians	Health system	Non-physician entity
Non-compete scope	Narrower, negotiable	Broad	Very broad
Partnership / buy-in path	Common	Rare	Rare
Call schedule flexibility	Higher	Variable	Lower
Productivity bonus upside	High	Moderate	Moderate
Included in this directory	Yes	No	Flagged

Key Terms in Physician Contracts

Fair Market Value: The price at which a willing buyer and willing seller would agree to transact, with both parties having reasonable knowledge of the relevant facts. Physician compensation must meet fair market value to comply with federal anti-kickback and Stark Law requirements. Independent valuations are used for buy-in pricing, compensation benchmarking, and practice sales.
Collections-Based Compensation: A pay model in which a physician's income is tied directly to the revenue collected from their patient encounters. The physician typically receives a percentage of collections (40 to 55 percent is common) after overhead. This model rewards high-volume, high-acuity work but creates income variability.
Malpractice Insurance: Professional liability coverage that protects physicians against claims of medical negligence. Two main types exist: claims-made (covers claims only if both the incident and filing occur during the active policy) and occurrence-based (covers any incident during the policy period, regardless of when the claim is filed). Premium costs vary dramatically by specialty and state.
Ancillary Revenue: Income generated by a medical practice from services beyond physician office visits. Common sources include in-office imaging, laboratory testing, physical therapy, infusion services, and dispensing. Ancillary revenue can account for 20 to 40 percent of total practice revenue in procedure-heavy specialties.
NPPES (National Plan and Provider Enumeration System): The federal registry maintained by CMS that assigns and tracks NPIs for all U.S. healthcare providers. NPPES data is publicly searchable and includes provider name, practice address, taxonomy codes, and enumeration date.
ESRD (End-Stage Renal Disease): Permanent kidney failure requiring dialysis or transplantation. ESRD patients are automatically enrolled in Medicare regardless of age. Medicare reimburses dialysis at a bundled rate per treatment (approximately $240-$250 per session) under the ESRD Prospective Payment System.
CON (Certificate of Need): A state regulatory requirement that healthcare providers obtain government approval before adding certain types of healthcare facilities or services. Not all states have CON programs; those that do may require CON approval for new dialysis facilities, affecting the feasibility of independent dialysis ownership.

This directory is maintained by Daniel Aragón, MD, MBA, a physician who just walked this path. All listings are pulled from the NPPES NPI Registry (CMS.gov), the federal database of all U.S. medical providers. Hospital-employed, corporate, and government-operated positions are excluded. Last updated: 2026-05-18.

Built by Daniel Aragón, MD, MBA, a physician who just walked this path.