ROBERT DAVID SOUTHWICK MD
NPI 1417975087
Obstetrics & Gynecology in Green Bay, WI
About Robert David Southwick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT DAVID SOUTHWICK MD (NPI 1417975087) is an individual obstetrics & gynecology provider in Green Bay, Wisconsin, licensed in Wisconsin (37060) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert David Southwick Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Robert Southwick reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Obhg Wisconsin Sc
- 58 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54303 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 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 Robert Southwick's NPI number?
The NPI number for Robert Southwick is 1417975087. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Robert Southwick located?
Robert Southwick practices at 2253 W Mason St, Green Bay, WI 54303. The listed phone number is (920) 327-7300.
What is Robert Southwick's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Robert Southwick enrolled in Medicare?
Yes. Robert Southwick is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Southwick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Southwick reassigns Medicare benefits to 4 organizations: Aurora Medical Group, Inc. (Sheboygan, WI), Aurora Advanced Healthcare, Inc. (Milwaukee, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Obhg Wisconsin, S.C. (Greenville, SC). 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 Robert Southwick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Southwick accept?
Health plans from Aspirus Health Plan and CareSource (Common Ground Healthcare) list Robert Southwick 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.
When was this NPI record last updated?
The NPPES record for Robert Southwick was last updated on November 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Robert David Southwick, MD · NPI 1417975087
Obstetrics & Gynecology physician in Green Bay, Wisconsin. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1417975087 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 37060 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2253 W MASON ST, Green Bay, WI 54303-4706
- **Phone:** (920) 327-7300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Aurora Medical Group, Inc. (NPI 1174670244, Sheboygan, WI); Aurora Advanced Healthcare, Inc. (NPI 1265629133, Milwaukee, WI); Lakeshore Medical Clinic, LLC (NPI 1003861188, Saint Francis, WI); Obhg Wisconsin, S.C. (NPI 1699273862, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 24, 2021
- **Other identifiers:** Medicaid 32424200 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1417975087) · Data from the CMS NPPES public registry.