Tiffany P. Chiu, ARNP
Family Nurse Practitioner · Sammamish, WA
Tiffany P. Chiu, ARNP is a family nurse practitioner with a practice address in Sammamish, Washington, and NPI 1538533740, issued on Nov 25, 2015. Check the license (Washington AP60926324, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany P. Chiu
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP60926324 WA
RN60909179 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4560 Klahanie Dr SE Ste 400, Sammamish, WA 98029
- Phone
- (425) 394-0620
- Enumerated
- Nov 25, 2015
- Record last updated
- Nov 30, 2022
- Fax
- (425) 394-0622
- Medicaid ID
- 2128115 WA
- Medicare enrollment
- Enrolled (PECOS I20190605002569); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Also registered at 4560 Klahanie Dr SE Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asmita Chaudhary, MDFamily Medicine Physician1861695124
Verify Tiffany P. Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP60926324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average family nurse practitioner in 2024
809 Medicare Part D claims for 304 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium61 claims
- Levothyroxine Sodium42 claims
- Lisinopril34 claims
- Rosuvastatin Calcium29 claims
- Metformin Hcl Er25 claims
- Gabapentin23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Swedish Health ServicesSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany P. Chiu among 3,781 family nurse practitioner records in Washington
Tiffany P. Chiu, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 43% of them.
- NPI issued2015 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2015 · median 2018 among the 2,116 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family nurse practitioner records list a practice address in Sammamish
They are 10 of the 398 NPPES records with a practice address in Sammamish, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Sammamish → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sandra Bell, ARNP, FNP-BCIssaquah, WA 980291164066270
- Phoebe Chitila James, NPIssaquah, WA 980291346640588
- Deirdre Fisher, FNPIssaquah, WA 980291427483312
- Jessica Johnson, NURSE PRACTITIONERSammamish, WA 980291811032683
- Susan Jones, A.R.N.P.Issaquah, WA 980291689070807
- Esther Opersteny, ARNP, RNIssaquah, WA 980291386252450
- Elizabeth Schaub, ARNP, DNPIssaquah, WA 980291780109959
- Sabrina Stephens, ARNP, FNPIssaquah, WA 980291760976922
Common questions
What is Tiffany P. Chiu, ARNP's NPI number?
Tiffany P. Chiu, ARNP's National Provider Identifier (NPI) is 1538533740, issued on Nov 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany P. Chiu, ARNP located?
The NPPES record lists a practice address at 4560 Klahanie Dr SE Ste 400, Sammamish, WA, 98029. Phone: (425) 394-0620. Providers update this record themselves, so call before visiting.
How can I verify Tiffany P. Chiu, ARNP's license?
NPPES lists Washington license number AP60926324, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany P. Chiu, ARNP prescribe under Medicare Part D?
In 2024, Tiffany P. Chiu, ARNP had 809 Medicare Part D claims for 304 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.