Mapping America's Healthcare Infrastructure: 1.5M+ Clinicians and Counting

Where is the nearest dialysis center? Which nursing homes in your county have the best quality ratings? How many substance treatment facilities exist in your state? These are questions that should be easy to answer — but until now, the data was scattered across dozens of federal and state websites, each with its own interface, its own format, and its own limitations. NationalHealthRatings.com brings it all together into a single, searchable platform spanning 18 sites and hundreds of thousands of healthcare facilities.

The Clinician Database: 1.5 Million Providers

At the heart of NationalHealthRatings is the doctors directory — a comprehensive database of over 1.5 million clinicians practicing across the United States. Every record includes the provider's specialty, practice location, credentials, and affiliations.

This data originates from the Centers for Medicare & Medicaid Services (CMS) National Plan and Provider Enumeration System (NPPES). We ingest the raw NPI registry files, cross-reference them with Medicare participation data, and build searchable profiles that anyone can access. Whether you're a patient looking for a cardiologist in your ZIP code or a researcher studying provider distribution across rural counties, the data is there — instant, filterable, and free.

Beyond individual clinician profiles, the directory exposes patterns in the healthcare workforce. Users can see which specialties are concentrated in urban areas, which rural regions face physician shortages, and how the distribution of providers compares to the distribution of population need.

Hospitals, Nursing Homes, and Beyond

NationalHealthRatings doesn't stop at clinicians. The platform covers the full spectrum of healthcare facilities:

• Hospitals — 5,425 facilities with quality ratings, readmission rates, and patient satisfaction scores sourced from CMS Hospital Compare
• Nursing Homes — 14,964 facilities with inspection results, staffing levels, and overall quality star ratings
• Home Health Care Agencies — 11,824 agencies with quality of patient care metrics and outcomes data
• Hospice Care — 7,013 providers with family satisfaction surveys and care quality indicators
• Dialysis Centers — 7,638 facilities with clinical outcomes and patient survival metrics

Each facility type has its own dedicated search interface, tuned to the metrics that matter most. For nursing homes, that means staffing ratios and inspection deficiencies. For hospitals, it means readmission penalties and mortality rates. The goal is always the same: give people the information they need to make the best decision for themselves or their loved ones.

Behavioral Health and Substance Treatment

America's behavioral health crisis demands better access to information about available treatment options. NationalHealthRatings indexes two critical categories:

• Mental Health Facilities — 9,037 facilities offering psychiatric services, counseling, and crisis intervention, sourced from SAMHSA
• Substance Treatment Facilities — 12,744 facilities providing detox, residential, outpatient, and medication-assisted treatment programs

For someone in crisis — or a family member searching on their behalf — finding the right facility quickly can be lifesaving. These directories allow filtering by treatment type, payment options accepted, and special populations served. The data comes from SAMHSA's Behavioral Health Treatment Services Locator and is updated regularly to reflect facility openings and closures.

Community Health and Preventive Care

Rounding out the platform are directories focused on community health resources:

• Health Centers — 17,607 federally qualified health centers (FQHCs) and look-alikes that provide primary care regardless of ability to pay
• STD Clinics — 13,890 testing and treatment locations across the country

The platform also includes child care licensing data for specific states — covering facilities in California, Texas, Ohio, and Minnesota — which helps parents verify that providers are properly licensed and in compliance with state regulations.

Why a Unified Healthcare Directory Matters

Healthcare data in the United States is notoriously fragmented. CMS publishes hospital data in one place, SAMHSA publishes treatment facility data in another, and state licensing boards maintain their own separate databases. A patient trying to compare options across facility types faces a maze of incompatible websites and data formats.

NationalHealthRatings solves this by normalizing data from all of these sources into consistent, searchable formats. The result is a single platform where you can search for any type of healthcare provider or facility in any location, compare quality metrics, and make informed decisions — all without navigating government bureaucracy.

NationalHealthRatings is one of the healthcare platforms built by TheDataProject.AI — part of our mission to make every significant public dataset free, searchable, and accessible to everyone.