MARGARET L DOW MD
NPI 1275601122
Obstetrics & Gynecology in Rochester, MN
About Margaret L Dow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET L DOW MD (NPI 1275601122) is an individual obstetrics & gynecology provider in Rochester, Minnesota, licensed in Minnesota (56307) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Olmsted Medical Center, and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 6
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
Margaret L Dow 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
3Medicare enrollment records show Margaret Dow reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55904
- Reassigned Medicare billing, Minnesota enrollment
- 379 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 clinicians in this Medicare group
Waseca, MN 56093
- Reassigned Medicare billing, Minnesota enrollment
- 1,572 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Olmsted Medical Center
Acute Care Hospitals · Rochester, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55904 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 Margaret Dow's NPI number?
The NPI number for Margaret Dow is 1275601122. It was assigned to this individual provider in the NPPES registry on November 30, 2006.
Where is Margaret Dow located?
Margaret Dow practices at 1650 4th St SE, Rochester, MN 55904. The listed phone number is (507) 529-6600.
What is Margaret Dow's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Margaret Dow enrolled in Medicare?
Yes. Margaret Dow 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 Margaret Dow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Dow reassigns Medicare benefits to 3 organizations: Olmsted Medical Center (Rochester, MN), Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN) and Mayo Clinic Health System-Southwest Minnesota Region (Waseca, 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 Margaret Dow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Dow accept?
Health plans from Sanford Health Plan and Security Health Plan list Margaret Dow 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 Margaret Dow affiliated with any hospitals?
According to CMS data, Margaret Dow is affiliated with Olmsted Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Dow was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Margaret L Dow, MD · NPI 1275601122
Obstetrics & Gynecology physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since November 30, 2006.
## Identity
- **NPI:** 1275601122 (Entity type: Individual)
- **Enumerated:** November 30, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 56307 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1650 4TH ST SE, Rochester, MN 55904-4717
- **Phone:** (507) 529-6600
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Olmsted Medical Center (NPI 1538112131, Rochester, MN); Mayo Clinic Health System-Southeast Minnesota Region (NPI 1114453883, Red Wing, MN); Mayo Clinic Health System-Southwest Minnesota Region (NPI 1518494251, Waseca, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nevada School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** October 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275601122) · Data from the CMS NPPES public registry.