---
type: "Bill"
title: "Health care practitioners: disclosure of education."
description: "Existing law requires a health care practitioner to disclose, while working, his or her name and practitioner's license status on a name tag in at least 18-point type or to prominently display his or her license in his or her office, except as specified."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 583"
citation: "California AB 583 (20092010)"
classification: ["bill"]
subjects: ["Health care practitioners: disclosure of education."]
status: "enacted"
primary_sponsors: ["Hayashi"]
version_count: 8
action_count: 30
vote_count: 7
first_action: "2009-02-25"
last_action: "2010-09-29"
source: "openstates"
source_identifier: "ocd-bill/00292591-25c5-4075-93b3-e29cf3f5a6b0"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB583"
source_hash: "38a8807ff33206f1d869f8e165992df3b4ef4c1266273871a858d2d5d562ba7d"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 583 (20092010) — Health care practitioners: disclosure of education.

Existing law requires a health care practitioner to disclose, while working, his or her name and practitioner's license status on a name tag in at least 18-point type or to prominently display his or her license in his or her office, except as specified.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/25/09 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58399INT)
2. **06/22/09 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58398AMD)
3. **07/08/09 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58397AMD)
4. **08/17/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58396AMD)
5. **08/20/10 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58395AMD)
6. **09/29/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58393CHP)
7. **AB583** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB583)
8. **08/31/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB583&version=20090AB58394ENR)

## Votes

- Assembly 3rd Reading AB583 Hayashi Reconsider — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · upper
- Assembly 3rd Reading AB583 Hayashi By Negrete McLeod — **pass** (pass) · upper
- AB 583 HAYASHI Concurrence in Senate Amendments — **pass** (pass) · lower
- AB 583 HAYASHI Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Assembly 3rd Reading AB583 Hayashi By Negrete McLeod — **pass** (pass) · upper

## Sponsors

- Hayashi — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2009-02-25** Read first time. To print. `reading-1`
- **2009-02-26** From printer. May be heard in committee March 28.
- **2009-03-12** Referred to Com. on B. & P. `referral-committee`
- **2009-03-31** From committee: Do pass. To Consent Calendar. (March 31). `committee-passage-favorable, committee-passage`
- **2009-04-01** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2009-04-13** Read third time, passed, and to Senate. (Ayes 78. Noes 0. Page 823.) `reading-3, passage, reading-1`
- **2009-04-13** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2009-04-30** Referred to Com. on B., P. & E.D. `referral-committee`
- **2009-06-22** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on B., P. & E.D. `amendment-introduction, reading-2, amendment-passage, referral-committee, reading-1`
- **2009-07-07** From committee: Amend, and do pass as amended. (Ayes 8. Noes 2.) (June 29). `amendment-introduction, amendment-passage, committee-passage`
- **2009-07-08** Read second time, amended, and to third reading. `amendment-passage, reading-2, reading-1`
- **2009-07-16** Read third time, passed, and to Assembly. (Ayes 23. Noes 12. Page 1763.) `reading-3, passage, reading-1`
- **2009-07-16** Motion to reconsider made by Senator Negrete McLeod.
- **2009-07-16** Reconsideration of favorable vote granted.
- **2009-07-16** (Ayes 36. Noes 0. Page 1764.)
- **2009-08-17** To inactive file on motion of Senator Negrete McLeod.
- **2010-08-05** From inactive file.
- **2010-08-05** To second reading.
- **2010-08-09** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-17** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-18** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-20** Read third time, amended. To second reading. `reading-3, amendment-passage, reading-1`
- **2010-08-23** Read second time. To third reading. `reading-2, reading-1`
- **2010-08-24** Read third time, passed, and to Assembly. (Ayes 27. Noes 9. Page 4832.) `reading-3, passage, reading-1`
- **2010-08-24** In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 26 pursuant to Assembly Rule 77.
- **2010-08-25** Assembly Rule 77 suspended. (Ayes 49. Noes 27. Page 6645.)
- **2010-08-25** Senate amendments concurred in. To enrollment. (Ayes 67. Noes 11. Page 6649.) `amendment-passage, committee-passage-favorable`
- **2010-09-03** Enrolled and to the Governor at 3 p.m.
- **2010-09-29** Approved by the Governor. `executive-signature`
- **2010-09-29** Chaptered by Secretary of State - Chapter 436, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/00292591-25c5-4075-93b3-e29cf3f5a6b0`. Confidence: reported (aggregated from official California legislature records).