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Joy Huiling Chang, DDS

Dentist · Palo Alto

NPI 1922489699

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location

Looking this up.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Chang’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A102338 · Current

Licensed to practise in California · since 2007 · expires 2027-04-30 · Tulane University School of Medicine.

Matched on the licence number without its letter prefix; check the name before relying on it.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Money from drug and device companies

$116 in 2025

Industry payments by year
202515None$116
202425None$127
202311None$83
202225None$620
202111None$104
201911None$17

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Align TechnologyInvisalign$116
5 payments
  • Meals for Invisalign · 2025-12-17 · $30
  • Meals for Invisalign · 2025-07-09 · $32
  • Meals for Invisalign · 2025-05-14 · $5
  • Meals for Invisalign · 2025-03-10 · $46
  • Meals for Invisalign · 2025-02-27 · $3
See all 5 published payments
Every published payment
Align TechnologyMeals · 2025-12-17Invisalign$30
Align TechnologyMeals · 2025-07-09Invisalign$32
Align TechnologyMeals · 2025-05-14Invisalign$5
Align TechnologyMeals · 2025-03-10Invisalign$46
Align TechnologyMeals · 2025-02-27Invisalign$3
See earlier years (2024, 2023, 2022, 2021, 2019)

2024: $127

Payments by company in 2024
Envista HoldingsSpark$91
4 payments
  • Meals for Spark · 2024-09-11 · $48
  • Meals for Damon · 2024-06-25 · $13
  • Education for Damon · 2024-04-08 · $15
  • Meals for Spark · 2024-01-14 · $15
Align TechnologyInvisalign$36
1 payment
  • Meals for Invisalign · 2024-09-09 · $36

2023: $83

Payments by company in 2023
KLS-Martin L.P.None$83
1 payment
  • Meals · 2023-04-27 · $83

2022: $620

Payments by company in 2022
OrmcoUltima$578
4 payments
  • Meals for Spark · 2022-11-11 · $104
  • Education for Education · 2022-11-11 · $75
  • Education for Damon 3 · 2022-03-04 · $122
  • Travel for Ultima · 2022-03-04 · $276
Align TechnologyInvisalign$42
1 payment
  • Meals for Invisalign · 2022-01-21 · $42

2021: $104

Payments by company in 2021
Align TechnologyInvisalign$104
1 payment
  • Meals for Invisalign · 2021-09-22 · $104

2019: $17

Payments by company in 2019
Align TechnologyInvisalign$17
1 payment
  • Meals for Invisalign · 2019-02-14 · $17

Research money

Money a company paid to run a study. Where it went to their institution, the clinician is named as an investigator and did not receive it; the amount covers the whole study, often across many sites.

Research payments by company and study
Align Technology, Inc. · Online Research Survey · 2020This clinician$20

Professional record

NPI
1922489699
Licence
CA 102338California A102338: Current · expires 2027-04-30
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 1223X0400X (1223X0400X)
Mailing address
725 Welch Rd, Palo Alto, CA, 94304
NPI first listed
2015-06-17
NPI last updated
2026-01-21
NPI record certified
2026-01-21

This is when the NPI record was last certified, not a medical board exam.

Extra NPI addresses: 2075 Forest Ave Ste 2, San Jose, CA, 95128