Kerwin T. Chan, MD
Internal Medicine Physician · Saint Paul, MN
Kerwin T. Chan, MD is an internal medicine physician with a practice address in Saint Paul, Minnesota, and NPI 1639367865, issued on Oct 12, 2007. Check the license (Minnesota 64525, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Kerwin T. Chan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 64525 MN
036.125324 IL
036125324 IL
57-013026 OH
Self-reported in NPPES; status is on the state search - Practice location
- 45 10TH St W Ste A, Saint Paul, MN 55102
- Phone
- (651) 232-3000
- Enumerated
- Oct 12, 2007
- Record last updated
- Sep 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181115000458); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Verify Kerwin T. Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 64525Check 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 internal medicine physician in 2024
193 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 17 claims were for opioids.
Most prescribed
- Acetylcysteine12 claims
- Oxycodone Hcl12 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): 100 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).
Bills Medicare through one group practice
- Fairview Health ServicesMinneapolis, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kerwin T. Chan among 2,632 internal medicine physician records in Minnesota
Kerwin T. Chan, MD is one of 2,632 internal medicine physician records with a practice address in Minnesota. 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2003 · median 2008 among the 1,700 with a school on file
- Record last updated2018 · 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 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
254 internal medicine physician records list a practice address in Saint Paul
They are 254 of the 10,084 NPPES records with a practice address in Saint Paul, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Saint Paul → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Anderson, MDSaint Paul, MN 551021023079217
- Eric Anderson, MDSaint Paul, MN 551021225090707
- William Armstrong, MDSaint Paul, MN 551021073570099
- Alfredo Beltran, MDSaint Paul, MN 551021811953359
- Michael Bozivich, MDSaint Paul, MN 551021023073913
- Christine Chua, MDSaint Paul, MN 551021346202777
- James Giefer, MDSaint Paul, MN 551021982669990
- Joshua Hladio, MDSaint Paul, MN 551021780646919
Common questions
What is Kerwin T. Chan, MD's NPI number?
Kerwin T. Chan, MD's National Provider Identifier (NPI) is 1639367865, issued on Oct 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kerwin T. Chan, MD located?
The NPPES record lists a practice address at 45 10TH St W Ste A, Saint Paul, MN, 55102. Phone: (651) 232-3000. Providers update this record themselves, so call before visiting.
How can I verify Kerwin T. Chan, MD's license?
NPPES lists Minnesota license number 64525, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kerwin T. Chan, MD prescribe under Medicare Part D?
In 2024, Kerwin T. Chan, MD had 193 Medicare Part D claims for 52 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kerwin T. Chan, MD's MIPS final score?
The 2023 MIPS final score is 100 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.