Interactive demo

See de-identification, live.

One click strips every Safe Harbor identifier from a sample patient table. Watch names, SSNs, phones, emails, and full ZIPs disappear — replaced with stable hashes, age bands, and ZIP-3. This is what crosses to Praxis cloud. Nothing else.

Sample data; in production this runs at the practice. These 12 rows are synthetic, generated for the demo. PHI never crosses to Praxis — the de-identification tool runs locally at each practice and only the right-hand shape ever travels. No file uploads on this page; no real patients here.

12 synthetic patient rows loaded · seed=7

Practice management export

Raw

Contains PHI · stays at the practice

PHI

first_name	last_name	dob	ssn	phone	email	zip	gender	payer_category
Kira	Khan	1967-06-11	174-78-2542	609-555-6991	kira.khan59@example.com	08205	F	Aetna
Bob	Alvarez	2003-01-07	690-84-7499	609-555-1812	bob.alvarez90@example.com	08270	F	Medicare
Ravi	Lee	2004-07-07	481-22-9974	609-555-2028	ravi.lee56@example.com	11201	F	Anthem
Liam	Nguyen	1987-02-02	183-83-5919	609-555-9604	liam.nguyen43@example.com	11225	Other	Aetna
Yara	Singh	08/25/1998	140-95-2271	609-555-6140	yara.singh33@example.com	19038	F	Aetna
Wren	Williams	05/05/2010	762-83-8301	609-555-5662	wren.williams78@example.com	19038	F	Medicaid
Grace	Nguyen	12/26/2001	500-73-2320	609-555-3725	grace.nguyen45@example.com	19026	M	Humana
Vince	OConnor	1989-02-16	280-29-4800	609-555-4822	vince.oconnor08@example.com	08270	F	Horizon
Evan	Reilly	1938-06-16	567-97-7428	609-555-7521	evan.reilly31@example.com	08203	F	United HealthCare
Kira	Rahman	2012-03-07	680-29-9791	609-555-2662	kira.rahman96@example.com	08243	M	Cigna
Tariq	Garcia	1958-03-11	599-69-8870	609-555-8927	tariq.garcia31@example.com	08260	F	Workers Comp
Grace	Reilly	1972-02-23	876-77-5883	609-555-2491	grace.reilly62@example.com	08402	M	Medicare

HIPAA Safe Harbor §164.514(b)(2)

De-identified

What crosses to Praxis cloud

Safe

external_idHMAC-SHA256 (truncated)	age_band	gender	payer_category	zip_prefix
`7b72d710ab93253c`	46-60	F	commercial	082
`0d0a020b03807e3f`	18-30	F	medicare	082
`80aba9d47da089b0`	18-30	F	commercial	112
`82f10930a88a27a7`	31-45	X	commercial	112
`62b4fdc9ad45e7fc`	18-30	F	commercial	190
`ff32731c6d1f6909`	0-17	F	medicaid	190
`0ece2d52f3776c3f`	18-30	M	commercial	190
`cf5214c632d7c116`	31-45	F	commercial	082
`00e510a677c43638`	76+	F	other	082
`0047b0945ebbf311`	0-17	M	commercial	082
`8c944c7270da7179`	61-75	F	workers_comp	082
`9b0f647c3173a30c`	46-60	M	medicare	084

Run de-identification to reveal

audit log entry · written locally at the practice

tool_version 0.1.0

{
  "timestamp": "2026-04-25T11:33:41.419960+00:00",
  "tool_version": "0.1.0",
  "practice_id": "00000000-0000-0000-0000-0000000000a1",
  "input_files": {
    "patients": {
      "path": "patients_raw.csv",
      "sha256": "b47fb4b97c08c07e4ab76b8b4b3aa33210406a35013f3fe9f8df5965f391e355",
      "byte_count": 1716
    },
    "appointments": {
      "path": "appointments_raw.csv",
      "sha256": "2a0ae959659c0f0f84be74db2674aea2a52138e1e74699708ed1dde7c7a5f9fe",
      "byte_count": 5283
    },
    "providers": {
      "path": "providers_raw.csv",
      "sha256": "d19886fda7bee4f8b3d4708f99bb9d704275d52146f32bd7b21549f79f74ee9a",
      "byte_count": 317
    },
    "procedures": {
      "path": "procedures_raw.csv",
      "sha256": "264bacffaa8027f0236a5871c86b1ac0d0cf9940ae23c70b9377794a1c82fff5",
      "byte_count": 2370
    },
    "referrals": {
      "path": "referrals_raw.csv",
      "sha256": "3bb46911c4e72175d7eb702d5c4c1d78e8a3597432c953cedd8220ba90dc400e",
      "byte_count": 571
    },
    "invoices": {
      "path": "invoices_raw.csv",
      "sha256": "0368e8fbdf4eca0dc72adeda0bd37c316ace0e594f8dd1ffb9f5139f1121be7b",
      "byte_count": 1266
    }
  },
  "stats": {
    "patients_in": 12,
    "patients_out": 12,
    "appointments_in": 81,
    "appointments_out": 81,
    "providers_out": 5,
    "procedures_in": 36,
    "procedures_out": 36,
    "referrals_out": 5,
    "invoices_out": 24,
    "rows_dropped": 0,
    "drop_reasons": {},
    "small_n_suppressions": 0
  },
  "output": {
    "mode": "csv"
  }
}

What you're actually looking at

Left (Raw):a practice management system export, exactly as it sits on the practice's server. PHI.
Right (De-identified): the output of the open-source praxis-deid tool — HIPAA Safe Harbor §164.514(b)(2). Stable hashes, age bands, ZIP-3.
Below (Audit fingerprint): the actual JSON envelope written to the practice's local audit log. SHA-256 + byte count of every input file, in/out row counts, no row-level content.