Providers tracked
7,056,332
CMS NPPES · National Provider Registry · refreshed monthly — public dataset, not medical advice
Look up any U.S. healthcare provider
before you book.
7,056,332 US healthcare providers across 690 specialties and 56 states — credentials, NPIs, taxonomy codes, primary practice address.
Federal CMS data — no proprietary formula.
Sourced directly from the National Plan and Provider Enumeration System (NPPES), Medicare Part D, and CMS Quality Payment Program — without composite ratings, editorial scores, or user reviews. Every number links to a federal source.
- Providers
- 7,056,332
- Specialties
- 690
- States
- 56
- Refreshed
- May 2026
The federal picture, in one line
The U.S. has 7,056,332 CMS-registered healthcare providers across 690 specialties and 56 jurisdictions — published here straight from the federal registry, with no proprietary rating.
- 7.1M
- NPPES-registered providers
- 690
- NUCC specialty types
- 56
- states & territories
- California
- most providers (930,988)
By the numbers · current CMS cycle
The U.S. healthcare registry, in plain view
Every provider and facility count below is sourced from the CMS National Plan and Provider Enumeration System — no proprietary index, no editorial formula, just the federal numbers.
Total providers
7,056,332
CMS NPPES-registered clinicians across 690+ NUCC taxonomy specialties — the single most comprehensive healthcare provider registry in the United States
Every clinician with an active National Provider Identifier (NPI) — physicians, dentists, nurse practitioners, therapists, and all other credentialed individual providers
States covered
56
All 50 states + DC · every provider with an active NPI and a practice address in the United States
Provider density varies widely: California has the most registered providers (930,988), reflecting both population and healthcare-infrastructure concentration
Top specialty
Behavior Technician
537,344 providers — 7.6% of all enrolled clinicians
The top three specialties — Behavior Technician, Student in an Organized Health Care Education/Training Program, and Mental Health Counselor — together account for 16.5% of all providers. Specialty concentration is a structural feature of the U.S. healthcare workforce
Data refreshed
May 2026
CMS NPPES 2026 release · updated monthly as CMS publishes new enrollment data
NPPES data is self-reported by providers and refreshed monthly by CMS. Practice addresses, phone numbers, and specialty codes may lag behind real-world changes — always verify directly with the provider
The U.S. healthcare provider landscape
What 7,056,332 CMS-registered providers look like across 690 specialties and 56 states + DC
Top 8 specialties by provider-count share
Ad-free directory of 7M+ US providers searchable by specialty/state + CMS nursing home Five-Star ratings.
Popular Specialties
Behavior Technician 537,344 Student in an Organized Health Care Education/Training Program 331,761 Mental Health Counselor 292,612 Pharmacist 290,447 Clinical Social Worker 272,898 Physical Therapist 254,681 Family Nurse Practitioner 209,817 Speech-Language Pathologist 188,278 Registered Nurse 175,652 Internal Medicine Physician 172,858 Case Manager/Care Coordinator 160,120 Physician Assistant 149,975
Browse by State
States with the most healthcare providers
Active CMS NPPES-registered providers by state — reflecting both population and healthcare-infrastructure density
- California
California
930,988 providers
- New York
New York
531,419 providers
- Florida
Florida
453,360 providers
- Texas
Texas
415,983 providers
- Ohio 314,356
Ohio
314,356 providers
- Michigan 274,547
Michigan
274,547 providers
- Pennsylvania 255,043
Pennsylvania
255,043 providers
- Illinois 234,508
Illinois
234,508 providers
- Massachusetts 213,623
Massachusetts
213,623 providers
- Washington 199,205
Washington
199,205 providers
What this shows California leads by a wide margin, followed by New York, Florida and Texas. They're the four most-populous states, but provider counts don't strictly track population — New York edges out more-populous Texas. The full 50-state + territory list is below.
Alabama 65,864 Alaska 28,193 American Samoa 191 Arizona 122,333 Arkansas 65,729 California 930,988 Colorado 144,568 Connecticut 81,875 Delaware 20,734 District of Columbia 44,844 Florida 453,360 Georgia 162,389 Guam 866 Hawaii 31,357 Idaho 31,932 Illinois 234,508 Indiana 116,255 Iowa 47,085 Kansas 53,426 Kentucky 84,900 Louisiana 88,963 Maine 33,076 Maryland 151,751 Massachusetts 213,623 Michigan 274,547 Minnesota 127,822 Mississippi 39,387 Missouri 109,358 Montana 21,580 Nebraska 70,494 Nevada 95,422 New Hampshire 32,389 New Jersey 160,470 New Mexico 54,779 New York 531,419 North Carolina 191,387 North Dakota 21,484 Northern Mariana Islands 206 Ohio 314,356 Oklahoma 89,261 Oregon 122,757 Pennsylvania 255,043 Puerto Rico 39,253 Rhode Island 24,768 South Carolina 83,343 South Dakota 16,847 Tennessee 121,718 Texas 415,983 Utah 75,131 Vermont 14,707 Virgin Islands 697 Virginia 143,888 Washington 199,205 West Virginia 75,432 Wisconsin 111,375 Wyoming 13,014
Provider data from CMS NPPES. Nursing home ratings from CMS Five-Star Quality Rating. PlainDoctor does not rate or rank providers. Methodology · About
Guides & explainers
Plain-language context for the federal data — how to find the right doctor, understand medical specialties, and navigate the U.S. healthcare system.
How to Find a Doctor
A step-by-step guide to finding a primary care physician, verifying credentials, and checking insurance coverage.
Medical Specialties Explained
Understand the difference between internists, hospitalists, and specialists so you can find the right type of provider.
In-Network vs. Out-of-Network Providers
What the difference means for your bills, and how to verify whether a provider accepts your insurance plan.
Frequently Asked Questions
Where does PlainDoctor get its provider data?
All data comes from the Centers for Medicare & Medicaid Services (CMS) National Provider Registry and related datasets. This includes every healthcare provider registered in the U.S. Medicare system.
How many healthcare providers are in the database?
PlainDoctor tracks over 7 million healthcare providers including physicians, specialists, nurse practitioners, and facility-based providers across the entire United States.
Is PlainDoctor free?
Yes, PlainDoctor is completely free. You can search providers, compare specialties, and view staffing rankings without any account or payment.
Can I find nursing home quality data on PlainDoctor?
Yes. PlainDoctor includes CMS Five-Star Quality Ratings for over 14,000 nursing homes. Browse by state to see average ratings, staffing levels, and health inspection scores.
How is this provider data sourced?
PlainDoctor publishes the actual CMS National Plan and Provider Enumeration System (NPPES) records — enrollment data, practice addresses, taxonomy codes, and Medicare prescribing metrics — for every healthcare provider in the United States. No proprietary ratings, no editorial scores, no user reviews.
Every number on this site traces to a federal source: NPPES for provider enrollment, Medicare Part D for prescribing data, CMS Quality Payment Program for MIPS scores, and CMS Open Payments for industry transfers. Full methodology →
Primary sources: CMS NPPES · CMS Medicare Part D Prescriber PUF · CMS Quality Payment Program · CMS Open Payments · CMS Five-Star Quality Ratings · NUCC Healthcare Provider Taxonomy · CMS Hospital Compare