ANNE LOUISE RIDDLE MD
NPI 1861413080
Family Medicine in Duluth, MN
About Anne Louise Riddle Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNE LOUISE RIDDLE MD (NPI 1861413080) is an individual family medicine provider in Duluth, Minnesota, licensed in Minnesota (47263) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Essentia Health Duluth, and maintains a secondary practice location in Duluth.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Anne Louise Riddle 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 Reassignment
Medicare enrollment records show Anne Riddle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duluth, MN 55804
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health Duluth
Acute Care Hospitals · Duluth, MNRiverwood Healthcare Center
Critical Access Hospitals · Aitkin, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55804 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 5
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 Anne Riddle's NPI number?
The NPI number for Anne Riddle is 1861413080. It was assigned to this individual provider in the NPPES registry on July 22, 2006.
Where is Anne Riddle located?
Anne Riddle practices at 6351 E Superior St, Duluth, MN 55804. The listed phone number is (218) 249-4500.
What is Anne Riddle's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Anne Riddle enrolled in Medicare?
Yes. Anne Riddle 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 organization bills Medicare for Anne Riddle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Riddle reassigns Medicare benefits to The Duluth Clinic, Ltd (Duluth, MN). The 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 Anne Riddle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anne Riddle accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners, Medica, Sanford Health Plan and Security Health Plan list Anne Riddle 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 Anne Riddle affiliated with any hospitals?
According to CMS data, Anne Riddle is affiliated with Essentia Health Duluth and Riverwood Healthcare Center.
When was this NPI record last updated?
The NPPES record for Anne Riddle was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Anne Louise Riddle, MD · NPI 1861413080
Family Medicine physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since July 22, 2006.
## Identity
- **NPI:** 1861413080 (Entity type: Individual)
- **Enumerated:** July 22, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 47263 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 6351 E SUPERIOR ST, Duluth, MN 55804-2545
- **Phone:** (218) 249-4500
## 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:** The Duluth Clinic, Ltd (NPI 1245278936, Duluth, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Dakota School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** May 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861413080) · Data from the CMS NPPES public registry.