Doctor profile · Federal record
Dr. John Lake, MD
Gastroenterology Physician (CMS: Gastroenterology) · Minneapolis, MN
- NPI 1740360619
- Accepts Medicare
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
University of Minnesota Physicians, 516 Delaware Street Se, Clinic 2A
Minneapolis, MN 554541478
(612) 626-6100 - Mailing address
-
University of Minnesota Physicians, 420 Delaware St Se, Mmc 36
Minneapolis, MN 55455
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- October 26, 2012
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Minnesota #40739
- Medicaid (3)
- IA #0506741 · MN #480019200 · WI #32420100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740360619. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
258
Distinct HCPCS
3
Medicare allowed
$28,024
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 157 | 129 | $93 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 75 | 60 | $137 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 24 | $124 |
In context: peer comparison
Among 15 peers in Minneapolis Gastroenterology Physician, average services per provider: 39. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,761
Patients
447
Total drug cost
$507,761
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ursodiol | Generic | 338 | 83 | $84,881 |
| Tacrolimus | Generic | 323 | 79 | $63,681 |
| Prednisone | Generic | 227 | 64 | $2,830 |
| Mycophenolate Mofetil | Generic | 169 | 29 | $17,764 |
| Cyclosporine Modified (Cyclosporine, Modified) | Brand | 104 | 17 | $20,648 |
| Spironolactone | Generic | 77 | 28 | $2,672 |
| Furosemide | Generic | 67 | 25 | $744 |
| Azathioprine | Generic | 66 | 19 | $3,475 |
| Omeprazole | Generic | 62 | 22 | $1,831 |
| Tenofovir Disoproxil Fumarate | Generic | 61 | 17 | $16,622 |
Hospital affiliations
Frequently asked questions
What is Dr. John Lake's medical specialty?
Dr. John Lake practices Gastroenterology Physician in Minneapolis, MN.
Where does Dr. John Lake practice?
Dr. John Lake practices at University of Minnesota Physicians, Minneapolis, MN 554541478. Office phone: 6126266100.
What is Dr. John Lake's NPI?
Dr. John Lake's National Provider Identifier (NPI) is 1740360619, issued by NPPES.
Does Dr. John Lake accept Medicare assignment?
Yes. Dr. John Lake accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Lake commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.