John Richard Lake, MD
Gastroenterology Physician · Minneapolis, MN
John Richard Lake, MD is a gastroenterology physician with a practice address in Minneapolis, Minnesota, and NPI 1740360619, issued on Oct 16, 2006. Check the license (Minnesota 40739, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John Richard Lake
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 40739 MN
Self-reported in NPPES; status is on the state search - Practice location
- University OF Minnesota Physicians, Minneapolis, MN 55454
- Phone
- (612) 626-6100
- Enumerated
- Oct 16, 2006
- Record last updated
- Oct 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid IDs
- 0506741 IA
480019200 MN
32420100 WI - Medicare enrollment
- Enrolled (PECOS I20040910000652); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1979
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 457 in Minnesota → Look up another NPI →
Also registered at University OF Minnesota Physicians
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Richard Lake in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 40739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,281 Medicare Part D claims for 296 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Ursodiol337 claims
- Tacrolimus321 claims
- Prednisone195 claims
- Mycophenolate Mofetil193 claims
- Cyclosporine Modified94 claims
- Tenofovir Disoproxil Fumarate86 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
- Fairview Express CareMinneapolis, MN
- The Duluth Clinic LtdDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Richard Lake among 457 gastroenterology physician records in Minnesota
John Richard Lake, MD is one of 457 gastroenterology physician records with a practice address in Minnesota. 81% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1979 · median 2006 among the 334 with a school on file
- Record last updated2012 · 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 207RG0100X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Minnesota
There are 457 gastroenterology physician records in Minnesota.
All 457 in Minnesota → Every provider in Minneapolis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael LongMinneapolis, MN 554541821071317
- Stuart Amateau, MD, PHDMinneapolis, MN 554551083769855
- Nabeel AzeemMinneapolis, MN 554551225261480
- Petrus De Groen, M.D.Minneapolis, MN 554551811977028
- Mohamed Hassan, M.D.Minneapolis, MN 554551992739494
- Justin Howard, M.D.Minneapolis, MN 554551134360704
- Timothy Kinney, MDMinneapolis, MN 554551407895139
- Thomas Leventhal, M.D.Minneapolis, MN 554551275720898
Common questions
What is John Richard Lake, MD's NPI number?
John Richard Lake, MD's National Provider Identifier (NPI) is 1740360619, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Richard Lake, MD located?
The NPPES record lists a practice address at University OF Minnesota Physicians, Minneapolis, MN, 55454. Phone: (612) 626-6100. Providers update this record themselves, so call before visiting.
How can I verify John Richard Lake, MD's license?
NPPES lists Minnesota license number 40739, 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 John Richard Lake, MD prescribe under Medicare Part D?
In 2024, John Richard Lake, MD had 2,281 Medicare Part D claims for 296 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.