Hannah E. Giger, DO
Internal Medicine Physician · Portland, OR
Hannah E. Giger, DO is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1578145843, issued on Apr 26, 2021. Check the license (Oregon DO218888, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hannah E. Giger
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO218888 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9205 SW Barnes RD, Portland, OR 97225
- Phone
- (503) 216-2621
- Enumerated
- Apr 26, 2021
- Record last updated
- Sep 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20240820001391); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 9205 SW Barnes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hannah E. Giger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO218888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
487 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium57 claims
- Levothyroxine Sodium22 claims
- Amlodipine Besylate19 claims
- Pantoprazole Sodium19 claims
- Gabapentin16 claims
- Lisinopril16 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 2 group practices
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonNewberg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah E. Giger among 2,116 internal medicine physician records in Oregon
Hannah E. Giger, DO is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2008 among the 1,232 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Myrna Casono, MDPortland, OR 972251588666432
- Timothy Cleary, M.D.Portland, OR 972251215933411
- Cynthia Ferrier, M.D.Portland, OR 972251285607440
- Robert Fojtasek, MDPortland, OR 972251306888649
- Steven Gordon, MDPortland, OR 972251285616748
- Thomas Gragnola, MDPortland, OR 972251144220765
- Janette Green, M.D.Portland, OR 972251225029986
- Charles Kilo, M.D.Portland, OR 972251801869078
Common questions
What is Hannah E. Giger, DO's NPI number?
Hannah E. Giger, DO's National Provider Identifier (NPI) is 1578145843, issued on Apr 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Hannah E. Giger, DO located?
The NPPES record lists a practice address at 9205 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-2621. Providers update this record themselves, so call before visiting.
How can I verify Hannah E. Giger, DO's license?
NPPES lists Oregon license number DO218888, 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 Hannah E. Giger, DO prescribe under Medicare Part D?
In 2024, Hannah E. Giger, DO had 487 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.