Hanny Augustina Tan, MD
Internal Medicine Physician · Portland, OR
Hanny Augustina Tan, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1881770501, issued on Oct 27, 2006. Check the license (Oregon MD28668, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hanny Augustina Tan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD28668 OR
MD00044047 WA
Self-reported in NPPES; status is on the state search - Practice location
- 300 N Graham St, Portland, OR 97227
- Phone
- (503) 413-4134
- Enumerated
- Oct 27, 2006
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 413-1895
- Medicaid ID
- 8414658 WA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 300 N Graham St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hanny Augustina Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD28668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
119 Medicare Part D claims for 44 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Hanny Augustina Tan among 2,116 internal medicine physician records in Oregon
Hanny Augustina Tan, MD 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2021 · 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
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- Smitha Chadaga, MDPortland, OR 972271952362295
- Darcy Deering, M.D.Portland, OR 972271205801065
- Lori Farrell, M.D.Portland, OR 972271235103987
- Elise Fulsang, MDPortland, OR 972271952305385
- Ameet Jhooty, M.DPortland, OR 972271295795938
Common questions
What is Hanny Augustina Tan, MD's NPI number?
Hanny Augustina Tan, MD's National Provider Identifier (NPI) is 1881770501, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hanny Augustina Tan, MD located?
The NPPES record lists a practice address at 300 N Graham St, Portland, OR, 97227. Phone: (503) 413-4134. Providers update this record themselves, so call before visiting.
How can I verify Hanny Augustina Tan, MD's license?
NPPES lists Oregon license number MD28668, 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 Hanny Augustina Tan, MD prescribe under Medicare Part D?
In 2024, Hanny Augustina Tan, MD had 119 Medicare Part D claims for 44 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hanny Augustina Tan, 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.