Nephrologists in the United States

  • Nephrology
  • United States
Nephrologists
13,296
Linked to a hospital or group
11,563
Hospitals with a nephrologist
4,149
Medical groups with a nephrologist
3,922
States and territories
54

There are 13,296 nephrologists in the US. California has the most, 1,485, and Northwestern Medicine Central DuPage Hospital has the most affiliated nephrologists of any hospital, 123. 37% finished medical school 30 or more years ago.

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California has the most nephrologists, with 1,485

There are 13,296 nephrologists in the US, according to Dmand AI data. Texas is second with 1,092, and New York third with 1,000.

States with the most nephrologists
#StateNephrologists
1California1,485
2Texas1,092
3New York1,000
4Florida969
5Pennsylvania625
6Illinois580
7Ohio458
8New Jersey431
9Georgia400
10Massachusetts396

Top 10 of 54 states and territories with a nephrologist

Nephrologists in every other state and territory

Source: NPPES NPI Registry (CMS)

For health IT teams

Find US nephrologists by the EHR they use

Dmand AI has the EHR for 12,278 of 13,296 US nephrologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Dallas Nephrology Associates has the most nephrologists of any US medical group, with 121

Arizona Kidney Disease & Hypertension Centers (AKDHC) is second with 119, and Southern California Permanente Medical Group third with 116. Counts are nephrologists linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Northwestern Medicine Central DuPage Hospital has the most affiliated nephrologists of any US hospital, with 123

Brigham and Women's Hospital in Boston is second with 89, and NewYork-Presbyterian/Weill Cornell Medical Center third with 88. US nephrologists are affiliated with 4,149 hospitals in all.

See every hospital and group for each US nephrologist

Each public profile names one place a nephrologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

10,297 US nephrologists practice at a hospital, the most common site of care

8,086 also practice at a medical group site, and 7,505 at dialysis centers. A nephrologist can practice at several kinds of site, so the shares overlap.

US nephrologists by site of care

  1. Hospitals10,297
  2. Medical group practices8,086
  3. Dialysis centers7,505
  4. Physician offices999
  5. Ambulatory surgery centers567

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

37% of US nephrologists finished medical school 30 or more years ago

4,057 of the 10,870 US nephrologists with a graduation year on file. 658 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago658
  2. 10 to 19 years ago2,484
  3. 20 to 29 years ago3,671
  4. 30 to 39 years ago2,107
  5. 40 or more years ago1,950

Source: Dmand AI Professional Profile Data

Every US nephrologist profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the US nephrologist directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Nephrologists are HCPs whose primary specialty is nephrology (taxonomy code 207RN0300X), with an active NPI and a US practice address.

FAQ

Frequently asked questions about nephrologists in the US

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many nephrologists are in the US?

13,296 nephrologists have an active NPI, a US practice address and nephrology (taxonomy code 207RN0300X) as their primary specialty. 11,563 of them are linked to a hospital or medical group.

Which state has the most nephrologists?

California, with 1,485, followed by Texas with 1,092 and New York with 1,000.

Which medical groups have the most nephrologists?

Dallas Nephrology Associates, with 121, followed by Arizona Kidney Disease & Hypertension Centers (AKDHC) with 119 and Southern California Permanente Medical Group with 116.

Which hospitals have the most nephrologists?

Northwestern Medicine Central DuPage Hospital, with 123 affiliated nephrologists, followed by Brigham and Women's Hospital with 89 and NewYork-Presbyterian/Weill Cornell Medical Center with 88.

How many US nephrologists finished medical school 30 or more years ago?

4,057 of the 10,870 with a graduation year on file, or 37%. 658 graduated in the last 10 years.

What is the taxonomy code for nephrology?

207RN0300X is the NPPES taxonomy code for nephrology. Sub-specialties with their own code are counted on their own lists.

Dmand AI

Find the right contacts among US nephrologists

Search 13,296 US nephrologists by state, hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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