Mary Anna Chiu, M.D.
Emergency Medicine Physician · Spokane, WA
Mary Anna Chiu, M.D. is an emergency medicine physician with a practice address in Spokane, Washington, and NPI 1053356212, issued on Jun 19, 2006. Check the license (Washington 30922, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mary Anna Chiu
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 30922 WA
Self-reported in NPPES; status is on the state search - Practice location
- 5633 N Lidgerwood St, Spokane, WA 99208
- Phone
- (509) 482-2448
- Enumerated
- Jun 19, 2006
- Record last updated
- May 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (509) 482-2452
- Medicaid IDs
- 8472086 WA
1053356212 MT
1053356212 WA - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 5633 N Lidgerwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fadi Alhafez, M.D.Internal Medicine Physician1902839111
- Bradley Alice, M.D.Emergency Medicine Physician1831509561
- Mayank Arora, MDHospitalist Physician1174703151
- Krista Arthur, PHARM.D.Pharmacist1932571080
- Ashley Bennett, MSN, APRN FNP-CFamily Nurse Practitioner1831076215
- Estee Berg, RNEmergency Registered Nurse1265321202
Verify Mary Anna Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 30922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average emergency medicine physician in 2024
228 Medicare Part D claims for 161 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 43 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen25 claims
- Cephalexin20 claims
- Ondansetron Odt18 claims
- Prednisone15 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Azithromycin12 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.
Mary Anna Chiu among 1,459 emergency medicine physician records in Washington
Mary Anna Chiu, M.D. is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 55% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Washington
There are 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Spokane → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Lynn Bergman, MDSpokane, WA 992081023097847
- Randal Defelice, M.D.Spokane, WA 992081528100393
- Brett Enlow, MDSpokane, WA 992081528113768
- Todd Ewert, MDSpokane, WA 992081861471385
- John Jones, M.D.Spokane, WA 992081598847576
- William Lockwood, M.D.Spokane, WA 992081508952201
- Thomas McGerty, D.O.Spokane, WA 992081417029661
- Peter Nelson, MDSpokane, WA 992081134275365
Common questions
What is Mary Anna Chiu, M.D.'s NPI number?
Mary Anna Chiu, M.D.'s National Provider Identifier (NPI) is 1053356212, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Anna Chiu, M.D. located?
The NPPES record lists a practice address at 5633 N Lidgerwood St, Spokane, WA, 99208. Phone: (509) 482-2448. Providers update this record themselves, so call before visiting.
How can I verify Mary Anna Chiu, M.D.'s license?
NPPES lists Washington license number 30922, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Anna Chiu, M.D. prescribe under Medicare Part D?
In 2024, Mary Anna Chiu, M.D. had 228 Medicare Part D claims for 161 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.