Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN R. LESSER MD
NPI 1265492862
Internal Medicine - Cardiovascular Disease in Minneapolis, MN

Active since March 27, 2006PECOS EnrolledAccepts Medicare Assignment
800 E 28TH ST STE H2100, MINNEAPOLIS, MN 55407(612) 863-3900 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2026, Mar 11, 2021 (2 updates tracked since 2021).

About John R. Lesser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN R. LESSER MD (NPI 1265492862) is an individual cardiovascular disease provider in Minneapolis, Minnesota, licensed in Minnesota (29867) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Cambridge Medical Center, and is a graduate of University Of Florida College Of Medicine (1981).

NPPES Registry Identity

NPI1265492862
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameJOHN R. LESSERCredential: MD
Location Address800 E 28TH ST STE H2100Minneapolis, MN 55407-3723
Mailing Address2925 Chicago AveMinneapolis, MN 55407-1321 · (612) 252-5000
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1981
Enumeration DateMarch 27, 2006
Last NPPES UpdateSeptember 30, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2026
✔ NPI 1265492862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MN · 29867
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 29867 (MN)
800 E 28TH ST STE H2100, Minneapolis, MN 55407

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John R. Lesser Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355248147
PECOS Enrollment IDI20050215000576
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show John Lesser reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
800 E 28TH ST
Minneapolis, MN 55407
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1730532631 (Minnesota)
  • 3,733 clinicians in this Medicare group
Cardiovascular Disease
500 S MAPLE ST
Waconia, MN 55387
  • Reassigned Medicare billing, Minnesota enrollment
  • 68 clinicians in this Medicare group
Critical Access
1805 HENNEPIN AVE N
Glencoe, MN 55336
  • Reassigned Medicare billing, Minnesota enrollment
  • 95 clinicians in this Medicare group
General Acute Care Hospital
855 MANKATO AVE
Winona, MN 55987
  • Reassigned Medicare billing, Minnesota enrollment
  • 330 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 26

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
11,100 services107 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
91 services86 patients
Ct scan of blood vessels and grafts of heart with contrast 75574
A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.
85 services85 patients
Mri scan of heart before and after contrast 75561
An MRI scan of the heart with contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed pictures of your heart. The contrast dye improves the clarity of these images. This test helps in diagnosing heart conditions.
75 services75 patients
Mri scan of blood flow of heart 75565
An MRI scan of the heart's blood flow is a non-invasive imaging technique. It uses a magnetic field and radio waves to create detailed images of your heart and its blood vessels. This helps in diagnosing conditions like blockages or abnormalities.
74 services31 patients
Ct scan of blood vessels and grafts of heart with contrast 75574
A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.
73 services73 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cambridge Medical Center

Acute Care Hospitals · Cambridge, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240020
Location701 South Dellwood AvenueCambridge, MN 55008 · Isanti County
Emergency services

Abbott Northwestern Hospital

Acute Care Hospitals · Minneapolis, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240057
Location800 East 28th StreetMinneapolis, MN 55407 · Hennepin County
Emergency services Birthing friendly

Allina Health Faribault Medical Center

Acute Care Hospitals · Faribault, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number240071
Location200 State AvenueFaribault, MN 55021 · Rice County
Emergency services Birthing friendly

Welia Health

Critical Access Hospitals · Mora, MN
OwnershipGovernment - Local
CMS Certification Number241367
Location301 South Highway 65Mora, MN 55051 · Kanabec County
Emergency services

New Ulm Medical Center

Critical Access Hospitals · New Ulm, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241378
Location1324 Fifth North StreetNew Ulm, MN 56073 · Brown County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55407 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Internal Medicine (Cardiovascular Disease)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Internal Medicine (Cardiovascular Disease)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Surgery (Vascular Surgery)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Nurse Practitioner (Family)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Internal Medicine (Cardiovascular Disease)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407
Internal Medicine (Cardiovascular Disease)
800 E 28TH ST STE H2100
MINNEAPOLIS, MN 55407

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Lesser's NPI number?

The NPI number for John Lesser is 1265492862. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Where is John Lesser located?

John Lesser practices at 800 E 28th St Ste H2100, Minneapolis, MN 55407. The listed phone number is (612) 863-3900.

What is John Lesser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is John Lesser enrolled in Medicare?

Yes. John Lesser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Lesser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Lesser reassigns Medicare benefits to 4 organizations: Allina Health System (Minneapolis, MN), Minneapolis Heart Institute At Ridgeview Heart Center, LLC (Waconia, MN), Glencoe Regional Health Services (Glencoe, MN) and Winona Health Services (Winona, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Lesser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Lesser accept?

Health plans from HealthPartners list John Lesser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Lesser affiliated with any hospitals?

According to CMS data, John Lesser is affiliated with Cambridge Medical Center, Abbott Northwestern Hospital, Allina Health Faribault Medical Center, Welia Health and New Ulm Medical Center.

When was this NPI record last updated?

The NPPES record for John Lesser was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.