Doctor profile · Federal record

Dr. Diane Chiu, MD

Dermatology Physician (CMS: Dermatology) · Bellevue, WA

  • NPI 1699736843
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 112Th Ave Ne Ste C187
Bellevue, WA 980043749
(425) 457-7900
fax (425) 457-7499
Mailing address
1100 Olive Way, MS:M4-PA
Seattle, WA 981011873

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 19, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Washington #MD0043597
Medicaid
WA #8411654

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699736843. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
341
Distinct HCPCS
6
Medicare allowed
$21,829
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 124 28 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 57 44 $99
17000 Destruction of precancer skin growth, 1 growth 56 35 $55
11102 Biopsy of related skin growth, first growth 43 29 $96
17110 Destruction of skin growth, 1-14 growths 41 31 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 20 16 $140

In context: peer comparison

Among 5 peers in this city , average services per provider: 424. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,264
Transactions
50
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 29 $709.36
E.R. Squibb & Sons, L.L.C. 4 $170.41
Novartis Pharmaceuticals Corporation 9 $135.08
UCB, Inc. 2 $125.08
Amgen Inc. 2 $39.61
Incyte Corporation 1 $29.23
Regeneron Healthcare Solutions, Inc. 1 $19.48
Dermavant Sciences, Inc. 1 $19.24
Biofrontera Inc. 1 $16.09

By nature of payment

Food and Beverage
$1,264

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
75
Total drug cost
$3,711
Drug Type Claims Patients Total cost
Clobetasol Propionate Generic 27 13 $1,107
Doxycycline Hyclate Generic 24 0 $1,098
Valacyclovir (Valacyclovir Hcl) Brand 20 17 $1,224
Cephalexin Generic 19 18 $181
Fluconazole Generic 16 16 $55
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 11 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Chiu's medical specialty?
Dr. Diane Chiu practices Dermatology Physician in Bellevue, WA.
Where does Dr. Diane Chiu practice?
Dr. Diane Chiu practices at 1200 112Th Ave Ne Ste C187, Bellevue, WA 980043749. Office phone: 4254577900.
What is Dr. Diane Chiu's NPI?
Dr. Diane Chiu's National Provider Identifier (NPI) is 1699736843, issued by NPPES.
Does Dr. Diane Chiu accept Medicare assignment?
Yes. Dr. Diane Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Chiu commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.