Top nephrologists in the USA
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Charles Cole Memorial Hospital | USA | Coudersport | 1001 E 2nd St | Potter | 16915-8179 | upmc.***** | 2018 | $84,430,440 | 633 | Corporation | 661 | 0000072107 |
| 2 | Catholic Health Initiatives Colorado Foundation | USA | Durango | 1010 Three Springs Blvd | La Plata | 81301-8296 | mountain.***** | 1982 | $48,461,469 | 800 | Corporation | 1015 | 19871470278 |
| 3 | Global Nephrology Solutions, LLC | USA | Tempe | 850 W Rio Salado Pkwy Ste 201 | Maricopa | 85281-3812 | panoramichealth.***** | 2016 | $42,392,608 | 1 | Corporation | N/A | L21169316 |
| 4 | Dallas Renal Group, P.A. | USA | Dallas | 3571 W Wheatland Rd Unit 101 | Dallas | 75237-3461 | dallasrenalgroup.***** | 2005 | $27,891,651 | 65 | Corporation | 3 | N/A |
| 5 | Nephrology Associates Of Northern Illinois, LTD. | USA | Oak Brook | 120 W 22nd St Ste 200 | Dupage | 60523-1557 | nephdocs.***** | 1969 | $22,157,683 | 250 | Corporation | 11 | 51127234 |
| 6 | Red Rock Healthcare, INC. | USA | St. George | 1173 S 250 W Ste 401a | Washington | 84770-6392 | zionsway.***** | 2012 | $20,709,440 | 37 | Corporation | 397 | 6654052-0142 |
| 7 | Lorraine T. Wilson, M.D., P.C. | USA | Oklahoma City | 13901 Mcauley Blvd Ste 303 | Oklahoma | 73134-8700 | freseniuskidneycare.***** | 1996 | $10,656,150 | 17 | Corporation | N/A | N/A |
| 8 | Mid-Atlantic Nephrology Associates, P.A. | USA | Baltimore | 1589 Sulphur Spring Rd Ste 109 | Baltimore City | 21227-2542 | manapa.***** | 1981 | $9,581,372 | 60 | Corporation | 5 | D01287721 |
| 9 | Balboa Nephrology Medical Group, INC. | USA | La Jolla | 4225 Executive Sq Ste 450 | San Diego | 92037-8411 | balboacare.***** | 1973 | $8,684,593 | 19 | Corporation | 7 | 0686489 |
| 10 | Monterey Peninsula Dialysis LLC | USA | Monterey | 2066 Fremont St | Monterey | 93940-5237 | usrenalcare.***** | 2001 | $8,013,317 | 1 | Corporation | 319 | 199807110128 |
| 11 | Plaine Dialysis, LLC | USA | Yuba City | 1525 Plumas Ct Ste A | Sutter | 95991-2971 | davita.***** | 2011 | $6,865,436 | 6 | 5043 | N/A | |
| 12 | Mercy Medical Center Irb | USA | Durango | 1010 Three Springs Blvd Ste 255 | La Plata | 81301-8296 | mountain.***** | 2010 | $6,455,908 | 8 | N/A | N/A | |
| 13 | The Kidney Experts Pllc | USA | Dyersburg | 1575 Parr Ave Ste B | Dyer | 38024-3112 | thekidneyexperts.***** | 2018 | $6,148,825 | 5 | Corporation | 4 | 000965018 |
| 14 | Nephrology Associates | USA | Chattanooga | 251 N Lyerly St Ste 100 | Hamilton | 37404-2743 | nephassociates.***** | 2006 | $6,031,072 | 21 | Corporation | 2 | 000518899 |
| 15 | East Fort Lauderdale Dialysis Center | USA | Fort Lauderdale | 1301 S Andrews Ave Ste 101 | Broward | 33316-1823 | davita.***** | 2009 | $5,787,512 | 5 | Proprietorship | 5043 | N/A |
| 16 | Nephrology Associates Of North Central Florida PA | USA | Gainesville | 4423 Nw 6th Pl Ste A | Alachua | 32607-6116 | nephrologyassociates.***** | 1995 | $5,496,255 | 17 | Corporation | 2 | P95000092184 |
| 17 | Renal Associates, P.A. | USA | San Antonio | 16620 San Pedro Ave Ste 300 | Bexar | 78232-2335 | rapadocs.***** | 1978 | $5,149,195 | 90 | Corporation | 9 | 742083988 |
| 18 | Interwell Health, LLC | USA | Boston | 177 Huntington Ave Ste 1703 | Suffolk | 02115-3153 | interwellhealth.***** | 2019 | $5,145,758 | 11 | Corporation | N/A | N/A |
| 19 | Arkansas Renal Group, P.A. | USA | Hot Springs | 115 Wrights St | Garland | 71913-6240 | arkneph.***** | 2013 | $5,082,337 | 32 | Corporation | N/A | 811001000 |
| 20 | Denver Nephrologists P. C. | USA | Aurora | 13901 E Exposition Ave Ste 200 | Arapahoe | 80012-2552 | denvernephrology.***** | 1966 | $4,990,905 | 21 | Corporation | 8 | 19871210098 |
| 21 | Assoc In Nephrology | USA | Chicago | 210 S Desplaines St Fl 1 | Cook | 60661-5544 | ainmd.***** | 2008 | $4,945,023 | 63 | Corporation | N/A | N/A |
| 22 | Florida Kidney Physicians, LLC | USA | Temple Terrace | 12662 Telecom Dr | Hillsborough | 33637-0935 | flkidney.***** | 2018 | $4,930,454 | 8 | Corporation | 4 | L16000091138 |
| 23 | Restora Hospital Of Mesa LLC | USA | Mesa | 215 S Power Rd | Maricopa | 85206-5235 | restorahealthcare.***** | 2007 | $4,897,369 | 34 | Corporation | N/A | L13481353 |
| 24 | Interwell Health Partners, INC. | USA | Boston | 177 Huntington Ave Ste 1703 | Suffolk | 02115-3153 | interwellhealth.***** | 2022 | $4,799,357 | 725 | Corporation | N/A | N/A |
| 25 | Nephrology Associates, P.A. | USA | Newark | 4923 Ogletown Stanton Rd Ste 200 | New Castle | 19713-6005 | delawarekidney.***** | 1976 | $4,693,181 | 34 | Corporation | N/A | 0805760 |
Showing 25 of 2,736 companies
Request Free SampleNephrologists in the USA by state
2,736 nephrologists across 41 US states. Hover any state to see its share of the US nephrologists market.
Nephrologists in the USA by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 1,943 | |
| 5-9 | 573 | |
| 10-19 | 123 | |
| 20-49 | 66 | |
| 50-99 | 11 | |
| 0 or Unknown | 10 | |
| 100-199 | 5 | |
| 500-999 | 3 | |
| 200-499 | 1 | |
| 1.000-4.999 | 1 |
Nephrologists in the USA by revenue
| Bracket | Companies | Share |
|---|---|---|
| 100.001 to 499.999 | 1,635 | |
| 1 to 100.000 | 602 | |
| 0 or Unknown | 240 | |
| 500.000 to 999.999 | 148 | |
| 1.000.000 to 4.999.999 | 92 | |
| 5.000.000 to 9.999.999 | 12 | |
| 10.000.000 to 49.999.999 | 6 | |
| 50.000.000 to 99.999.999 | 1 |
SIC and industry classification for US nephrologists
US nephrologists aren't separately selectable in the standard SIC 1987 classification. The closest SIC 1987 umbrella is 8011 (Offices and Clinics of Doctors of Medicine). We use the CompanyData industry label 'Physicians: Nephrology' to identify them precisely. The list above covers every active US company in our database tagged with this CompanyData label, so the state and revenue breakdowns reflect the entire sector rather than a sample.
Closely related business services
Frequently asked questions about nephrologists in the USA
Our database tracks 2,736 active nephrologists across all 50 US states, sourced from Secretary of State filings and verified monthly. The exact count changes as firms register, dissolve and merge. The figure on this page reflects the most recent monthly refresh.
The state with the most nephrologists is California, followed by California, Texas, Florida and New York. The full state breakdown above shows the share each US state holds, with deeplinks to drill into a single-state directory.
US nephrologists aren't separately selectable in the standard SIC 1987 classification. The closest SIC 1987 umbrella is 8011 (Offices and Clinics of Doctors of Medicine). We use the CompanyData industry label 'Physicians: Nephrology' to identify them precisely. The list above covers every active US company in our database tagged with this CompanyData label. The platform link beside each result also lets you filter by sub-code or by NAICS if you prefer.
Yes. Apply your filters (state, size, revenue, etc.) on the platform, preview the result on screen, then export the full filtered list as CSV or Excel. Larger exports (10k+ rows) are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full business address, primary phone, business email (where available), website, employee size, revenue band, founding year and primary SIC / NAICS classification. Records are enriched from the US business register and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest Secretary of State filings. The "Last updated" line at the top of this page shows the most recent refresh date.
41 US states have at least one active nephrologist in our database. The state with most nephrologists is California, followed by California, Texas, Florida and New York. Use the interactive state map above to compare any two states by share of the US nephrologists market.






















































