NPPES file of Aug 9, 2026

Hsiao-Chi David Wu, MD

Family Medicine Physician · Portland, OR

Hsiao-Chi David Wu, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1194713313, issued on Oct 11, 2005. Check the license (Oregon MD26926, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194713313
Name
Hsiao-Chi David Wu
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD26926 OR
38200 CO
Self-reported in NPPES; status is on the state search
Practice location
4709 N Lagoon Ave, Portland, OR 97217
Phone
(877) 685-5886
Enumerated
Oct 11, 2005
Record last updated
Jul 15, 2026
Fax
(971) 717-6492
Medicaid IDs
81180047 CO
026492 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4709 N Lagoon Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Reynolds, DPTPhysical Therapist1003951716

Verify Hsiao-Chi David Wu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD26926
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

84% fewer Medicare Part D claims than the average family medicine physician in 2024

554 Medicare Part D claims for 130 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Hsiao-Chi Wu554
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium41 claims
  2. Gabapentin22 claims
  3. Mirtazapine22 claims
  4. Tamsulosin Hcl20 claims
  5. Metformin Hcl Er19 claims
  6. Lisinopril18 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%74.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Hsiao-Chi David Wu among 2,847 family medicine physician records in Oregon

Hsiao-Chi David Wu, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

561 family medicine physician records list a practice address in Portland

They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Breeze, MDPortland, OR 972171083655609
  2. Simon Chan, DOPortland, OR 972171841242195
  3. Diego Diaz, MDPortland, OR 972171407019532
  4. Shauna Ensminger, MDPortland, OR 972171619960002
  5. Gregory Freed, M.D.Portland, OR 972171346433042
  6. Monique Gedenk, MDPortland, OR 972171740226745
  7. Janel Guyette, M.D.Portland, OR 972171205990660
  8. Mary Frances Lowdermilk, M.D.Portland, OR 972171245453315

Common questions

What is Hsiao-Chi David Wu, MD's NPI number?

Hsiao-Chi David Wu, MD's National Provider Identifier (NPI) is 1194713313, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hsiao-Chi David Wu, MD located?

The NPPES record lists a practice address at 4709 N Lagoon Ave, Portland, OR, 97217. Phone: (877) 685-5886. Providers update this record themselves, so call before visiting.

How can I verify Hsiao-Chi David Wu, MD's license?

NPPES lists Oregon license number MD26926, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hsiao-Chi David Wu, MD prescribe under Medicare Part D?

In 2024, Hsiao-Chi David Wu, MD had 554 Medicare Part D claims for 130 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Hsiao-Chi David Wu, MD's MIPS final score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.