JANET MARIE JOHNSON MD
NPI 1346266145
Internal Medicine in Green Bay, WI
About Janet Marie Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET MARIE JOHNSON MD (NPI 1346266145) is an individual internal medicine provider in Green Bay, Wisconsin, licensed in Wisconsin (37872-20) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with St Mary's Hospital Medical Center, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Janet Marie Johnson 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
4Medicare enrollment records show Janet Johnson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Green Bay, WI 54301
- Reassigned Medicare billing, Wisconsin enrollment
- 216 clinicians in this Medicare group
Green Bay, WI 54303
- Reassigned Medicare billing, Wisconsin enrollment
- 57 clinicians in this Medicare group
Green Bay, WI 54304
- Reassigned Medicare billing, Wisconsin enrollment
- 742 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 673 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 4
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.
St Mary's Hospital Medical Center
Acute Care Hospitals · Green Bay, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54301 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.
GREEN BAY, WI 54301
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 Janet Johnson's NPI number?
The NPI number for Janet Johnson is 1346266145. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is Janet Johnson located?
Janet Johnson practices at 835 S Van Buren St, Green Bay, WI 54301. The listed phone number is (920) 496-4700.
What is Janet Johnson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Janet Johnson enrolled in Medicare?
Yes. Janet Johnson 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 Janet Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Johnson reassigns Medicare benefits to 4 organizations: St. Clare Memorial Hospital, Inc. (Green Bay, WI), St. Mary's Hospital Medical Center Of Green Bay Inc.-Hospital Sisters (Green Bay, WI), St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (Green Bay, WI) and St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, WI). 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 Janet Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Janet Johnson affiliated with any hospitals?
According to CMS data, Janet Johnson is affiliated with St Mary's Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Janet Johnson was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Janet Marie Johnson, MD · NPI 1346266145
Internal Medicine physician in Green Bay, Wisconsin. Individual provider, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1346266145 (Entity type: Individual)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 37872-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 835 S VAN BUREN ST, Green Bay, WI 54301-3526
- **Phone:** (920) 496-4700
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): St. Clare Memorial Hospital, Inc. (NPI 1093173791, Green Bay, WI); St. Mary's Hospital Medical Center Of Green Bay Inc.-Hospital Sisters (NPI 1598150864, Green Bay, WI); St Vincent Hospital-Hospital Sisters-Third Order Of St Francis (NPI 1285613638, Green Bay, WI); St. Nicholas Hospital-Sisters Of The Third Order Of St Francis (NPI 1275799413, Sheboygan, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** June 3, 2026
- **Other identifiers:** Medicaid 32263600 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1346266145) · Data from the CMS NPPES public registry.