DR. JOHN LEO MAURER MD
NPI 1285121152
Internal Medicine - Critical Care Medicine in Maplewood, MN
About Dr. John Leo Maurer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN LEO MAURER MD (NPI 1285121152) is an individual critical care medicine provider in Maplewood, Minnesota, licensed in Minnesota (72773) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with M Health Fairview St John's Hospital, and maintains a secondary practice location in Minneapolis.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. John Leo Maurer 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.
Medicare Billing Reassignments
5Medicare enrollment records show John Maurer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maplewood, MN 55109
- Reassigned Medicare billing, Minnesota enrollment
- 1,178 clinicians in this Medicare group
Maplewood, MN 55109
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 clinicians in this Medicare group
Saint Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- 671 clinicians in this Medicare group
Woodbury, MN 55125
- Reassigned Medicare billing, Minnesota enrollment
- 955 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
M Health Fairview St John's Hospital
Acute Care Hospitals · Maplewood, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Maurer's NPI number?
The NPI number for John Maurer is 1285121152. It was assigned to this individual provider in the NPPES registry on April 17, 2018.
Where is John Maurer located?
John Maurer practices at 1575 Beam Ave, Maplewood, MN 55109. The listed phone number is (651) 232-7000.
What is John Maurer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is John Maurer enrolled in Medicare?
Yes. John Maurer 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 Maurer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Maurer reassigns Medicare benefits to 5 organizations: Healtheast St. John's Hospital (Maplewood, MN), Healtheast Medical Research Institute (Maplewood, MN), Fairview Bethesda Hospital (Saint Paul, MN), Healtheast Woodwinds Hospital (Woodbury, MN) and Fairview Health Services (Minneapolis, 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 Maurer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Maurer affiliated with any hospitals?
According to CMS data, John Maurer is affiliated with M Health Fairview St John's Hospital.
When was this NPI record last updated?
The NPPES record for John Maurer was last updated on May 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Dr. John Leo Maurer, MD · NPI 1285121152
Critical Care Medicine physician in Maplewood, Minnesota. Individual provider, active in the CMS NPPES registry since April 17, 2018.
## Identity
- **NPI:** 1285121152 (Entity type: Individual)
- **Enumerated:** April 17, 2018
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 72773 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1575 BEAM AVE, Maplewood, MN 55109-1126
- **Phone:** (651) 232-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Healtheast St. John's Hospital (NPI 1447218482, Maplewood, MN); Healtheast Medical Research Institute (NPI 1710147954, Maplewood, MN); Fairview Bethesda Hospital (NPI 1194787465, Saint Paul, MN); Healtheast Woodwinds Hospital (NPI 1356309322, Woodbury, MN); Fairview Health Services (NPI 1316008212, Minneapolis, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 23, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1285121152) · Data from the CMS NPPES public registry.