DR. JOHN ALEXANDER M.D.
NPI 1144256017
Family Medicine - Obesity Medicine in Monroe, WI
About Dr. John Alexander M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ALEXANDER M.D. (NPI 1144256017) is an individual obesity medicine provider in Monroe, Wisconsin, licensed in Illinois (036111220) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Katherine Shaw Bethea Hospital, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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 Alexander M.d. 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
2Medicare enrollment records show John Alexander reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monroe, WI 53566
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Katherine Shaw Bethea Hospital
Acute Care Hospitals · Dixon, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILSaint Anthony Medical Center
Acute Care Hospitals · Rockford, ILThe Monroe Clinic
Acute Care Hospitals · Monroe, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53566 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONROE, WI 53566
MONROE, WI 53566
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 Alexander's NPI number?
The NPI number for John Alexander is 1144256017. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is John Alexander located?
John Alexander practices at 515 22nd Avenue Monroe Clinic, Monroe, WI 53566. The listed phone number is (608) 324-2222.
What is John Alexander's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Obesity Medicine, with taxonomy code 207QB0002X.
Is John Alexander enrolled in Medicare?
Yes. John Alexander 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 Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Alexander reassigns Medicare benefits to 2 organizations: The Monroe Clinic, Inc. (Monroe, WI) and Osf Multi-Specialty Group (Peoria, IL). 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 Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Alexander affiliated with any hospitals?
According to CMS data, John Alexander is affiliated with Katherine Shaw Bethea Hospital, Osf Saint Elizabeth Mdl Ctr, Saint Anthony Medical Center and The Monroe Clinic.
When was this NPI record last updated?
The NPPES record for John Alexander was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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 Alexander, M.D. · NPI 1144256017
Obesity Medicine physician in Monroe, Wisconsin. Individual provider, active in the CMS NPPES registry since June 23, 2006.
## Identity
- **NPI:** 1144256017 (Entity type: Individual)
- **Enumerated:** June 23, 2006
- **Primary specialty:** Family Medicine - Obesity Medicine · taxonomy 207QB0002X
- **State license:** 036111220 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 22ND AVENUE, MONROE CLINIC, Monroe, WI 53566-1569
- **Phone:** (608) 324-2222 · **Fax:** (815) 227-2880
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Monroe Clinic, Inc. (NPI 1386720548, Monroe, WI); Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** January 13, 2025
- **Other identifiers:** Other 0-308-016-2; Other BA8945288
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Source: [NPI Profile](https://npiprofile.com/npi/1144256017) · Data from the CMS NPPES public registry.