Doctor profile · Federal record

Dr. Tiffany Chiu, ARNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Sammamish, WA

  • NPI 1538533740
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4560 Klahanie Dr Se Ste 400
Sammamish, WA 980295812
(425) 394-0620
fax (425) 394-0622
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
November 2015 — 11 yrs on file
Profile last updated
November 30, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Washington #AP60926324 · Washington #RN60909179
Medicaid
WA #2128115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538533740. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
121
Distinct HCPCS
2
Medicare allowed
$12,466
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 65 54 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 56 53 $84

In context: peer comparison

Among 4 peers in Sammamish Family Nurse Practitioner, average services per provider: 52. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
110
Total drug cost
$2,661
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 50 26 $657
Levothyroxine Sodium Generic 37 20 $547
Lisinopril Generic 25 14 $157
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 15 15 $159
Omeprazole Generic 14 0 $138
Prednisone Generic 14 13 $21
Famotidine Generic 12 0 $111
Metoprolol Succinate Generic 12 0 $352
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $276
Cephalexin Generic 11 11 $65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Chiu's medical specialty?
Dr. Tiffany Chiu practices Family Nurse Practitioner in Sammamish, WA.
Where does Dr. Tiffany Chiu practice?
Dr. Tiffany Chiu practices at 4560 Klahanie Dr Se Ste 400, Sammamish, WA 980295812. Office phone: 4253940620.
What is Dr. Tiffany Chiu's NPI?
Dr. Tiffany Chiu's National Provider Identifier (NPI) is 1538533740, issued by NPPES.
Does Dr. Tiffany Chiu accept Medicare assignment?
Yes. Dr. Tiffany Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Chiu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.