DR. ROBERTO JOAQUIN FERNANDEZ D.O. MPH
NPI 1922446459
Internal Medicine - Hematology & Oncology in Duluth, MN
About Dr. Roberto Joaquin Fernandez D.o. Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERTO JOAQUIN FERNANDEZ D.O. MPH (NPI 1922446459) is an individual hematology & oncology provider in Duluth, Minnesota, licensed in Minnesota (66358) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in Burton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Dr. Roberto Joaquin Fernandez D.o. Mph 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 Roberto Fernandez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55802
- Reassigned Medicare billing, Minnesota enrollment
- 513 clinicians in this Medicare group
Two Harbors, MN 55616
- Reassigned Medicare billing, Minnesota enrollment
- 95 clinicians in this Medicare group
Parkersburg, WV 26101
- Reassigned Medicare billing, West Virginia enrollment
- 461 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Duluth, MNLake View Memorial Hospital
Critical Access Hospitals · Two Harbors, MNNorth Shore Health
Critical Access Hospitals · Grand Marais, MNCommunity Memorial Hospital
Critical Access Hospitals · Cloquet, MNCamden Clark Medical Center
Acute Care Hospitals · Parkersburg, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55802 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Roberto Fernandez's NPI number?
The NPI number for Roberto Fernandez is 1922446459. It was assigned to this individual provider in the NPPES registry on June 6, 2013.
Where is Roberto Fernandez located?
Roberto Fernandez practices at 1001 E Superior St Ste L101, Duluth, MN 55802. The listed phone number is (218) 249-3081.
What is Roberto Fernandez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Roberto Fernandez enrolled in Medicare?
Yes. Roberto Fernandez 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 Roberto Fernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roberto Fernandez reassigns Medicare benefits to 3 organizations: St. Luke's Hospital Of Duluth (Duluth, MN), Lake View Memorial Hospital, Inc (Two Harbors, MN) and Camden-Clark Physician Corporation (Parkersburg, WV). 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 Roberto Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roberto Fernandez accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list Roberto Fernandez 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 Roberto Fernandez affiliated with any hospitals?
According to CMS data, Roberto Fernandez is affiliated with St Lukes Hospital, Lake View Memorial Hospital, North Shore Health, Community Memorial Hospital and Camden Clark Medical Center.
When was this NPI record last updated?
The NPPES record for Roberto Fernandez was last updated on December 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.