NPPES file of Aug 9, 2026

Jennifer S. Kumasaki, MD

Internal Medicine Physician · Chanhassen, MN

Jennifer S. Kumasaki, MD is an internal medicine physician with a practice address in Chanhassen, Minnesota, and NPI 1407114390, issued on Apr 27, 2012. Check the license (Minnesota 62052, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1407114390
Name
Jennifer S. Kumasaki
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
62052 MN
17112 NH
Self-reported in NPPES; status is on the state search
Practice location
300 Lake Dr E, Chanhassen, MN 55317
Phone
(952) 993-4300
Enumerated
Apr 27, 2012
Record last updated
Mar 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(952) 993-4320
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.
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Also registered at 300 Lake Dr E

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

  1. Kelly Albers, PT, ATRAthletic Trainer1346321494
  2. Natalie Bauman, FNP-CFamily Nurse Practitioner1902589419
  3. Adam Blaschko, DPTPhysical Therapist1013804988
  4. Katherine Bohn, DOFamily Medicine Physician1700576451
  5. Kristine Braun, P.T.Physical Therapist1538248919
  6. Erin Butterfield, M.D.Pediatrics Physician1164651865

Verify Jennifer S. Kumasaki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 62052
    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 Minnesota license search

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9% more Medicare Part D claims than the average internal medicine physician in 2024

3,447 Medicare Part D claims for 262 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Jennifer Kumasaki3,447
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium293 claims
  2. Amlodipine Besylate219 claims
  3. Atorvastatin Calcium197 claims
  4. Levothyroxine Sodium155 claims
  5. Losartan Potassium128 claims
  6. Omeprazole124 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.

Jennifer S. Kumasaki among 2,632 internal medicine physician records in Minnesota

Jennifer S. Kumasaki, 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 2012, is newer than 62% of them.

  • NPI issued2012 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2020 · 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).

8 internal medicine physician records list a practice address in Chanhassen

They are 8 of the 267 NPPES records with a practice address in Chanhassen, and 2,632 internal medicine physician records in Minnesota.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Taryn Boik, M.D.Chanhassen, MN 553171417142506
  2. Haizal Hamza, MDChanhassen, MN 553171831155928
  3. Rachael Harter, DOChanhassen, MN 553171033370622
  4. Stephen Leenay, M.D.Chanhassen, MN 553171770568594
  5. Vikesh Patel, M.D.Chanhassen, MN 553171679703284
  6. Peter Schultz, MDChanhassen, MN 553171851409098
  7. Jeffrey Sczublewski, MDChanhassen, MN 553171891772497
  8. Glen Carlson, MDChamplin, MN 553161245217231

Common questions

What is Jennifer S. Kumasaki, MD's NPI number?

Jennifer S. Kumasaki, MD's National Provider Identifier (NPI) is 1407114390, issued on Apr 27, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer S. Kumasaki, MD located?

The NPPES record lists a practice address at 300 Lake Dr E, Chanhassen, MN, 55317. Phone: (952) 993-4300. Providers update this record themselves, so call before visiting.

How can I verify Jennifer S. Kumasaki, MD's license?

NPPES lists Minnesota license number 62052, 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 Jennifer S. Kumasaki, MD prescribe under Medicare Part D?

In 2024, Jennifer S. Kumasaki, MD had 3,447 Medicare Part D claims for 262 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.