Sumin Tammy Li, M.D.
General Practice Physician · Washington, IA
Sumin Tammy Li, M.D. is a general practice physician with a practice address in Washington, Iowa, and NPI 1205086337, issued on Sep 25, 2008. Check the license (Iowa MD-42864, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sumin Tammy Li
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- MD-42864 IA
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Polk St, Washington, IA 52353
- Phone
- (319) 550-5118
- Enumerated
- Sep 25, 2008
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 38 in Iowa → Look up another NPI →
Also registered at 400 E Polk St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grace Chabal, MDObstetrics & Gynecology Physician1164098125
Verify Sumin Tammy Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-42864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average general practice physician in 2024
174 Medicare Part D claims for 108 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 20 claims were for opioids.
Most prescribed
- Ondansetron Odt22 claims
- Nitrofurantoin Mono-Macro21 claims
- Azithromycin18 claims
- Prednisone18 claims
- Tramadol Hcl16 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.
Sumin Tammy Li among 38 general practice physician records in Iowa
Sumin Tammy Li, M.D. is one of 38 general practice physician records with a practice address in Iowa. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 34% newer
- In a Medicare fileYes · 39% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2018 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 general practice physician records list a practice address in Washington
They are 2 of the 131 NPPES records with a practice address in Washington, and 38 general practice physician records in Iowa.
All 38 in Iowa → Every provider in Washington → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Curtis Frier, DOWashington, IA 523531902899586
- Jennifer Lopez, ARNPCedar Rapids, IA 524011396425047
- Sara Magill, DNPMarengo, IA 523011083028377
- Keith Plate, MDIowa City, IA 522461992007090
- Mary Khowassah, MDIowa City, IA 522421740276096
- Momin Nasir, BSIowa City, IA 522421366181802
- Kevin Wu, MDIowa City, IA 522421215125315
- Joel Kosinski, MDCoralville, IA 522411265718431
Common questions
What is Sumin Tammy Li, M.D.'s NPI number?
Sumin Tammy Li, M.D.'s National Provider Identifier (NPI) is 1205086337, issued on Sep 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sumin Tammy Li, M.D. located?
The NPPES record lists a practice address at 400 E Polk St, Washington, IA, 52353. Phone: (319) 550-5118. Providers update this record themselves, so call before visiting.
How can I verify Sumin Tammy Li, M.D.'s license?
NPPES lists Iowa license number MD-42864, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sumin Tammy Li, M.D. prescribe under Medicare Part D?
In 2024, Sumin Tammy Li, M.D. had 174 Medicare Part D claims for 108 beneficiaries; the average among general practice physician prescribers was 3,030. 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.