DR. DANIEL BRUNO DIAZ DO
NPI 1770997884
Family Medicine - Sports Medicine in Duluth, MN

Q: What is Daniel Diaz's NPI number?

The NPI number for Daniel Diaz is 1770997884. It was assigned to this individual provider in the NPPES registry on June 17, 2014.

Q: What is Daniel Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Diaz was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since June 17, 2014PECOS EnrolledAccepts Medicare Assignment

400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Daniel Bruno Diaz Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DANIEL BRUNO DIAZ DO (NPI 1770997884) is an individual sports medicine provider in Duluth, Minnesota, licensed in Minnesota (78915) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2014).

NPPES Registry Identity

NPI1770997884

Entity TypeIndividualMale

Primary Taxonomy207QS0010X

Provider Legal NameDR. DANIEL BRUNO DIAZCredential: DO

Location Address400 E 3RD STDuluth, MN 55805-1951

Mailing Address400 E 3rd StDuluth, MN 55805-1951 · (218) 786-8364

Phone(218) 786-8364

Sole ProprietorNo

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2014

Enumeration DateJune 17, 2014

Last NPPES UpdateAugust 28, 2025

NPPES CertifiedAugust 28, 2025

✔ NPI 1770997884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QS0010X

Licenses✔ Licensed in MN · 78915✔ Licensed in MI · 5101021186✔ Licensed in WI · 81783

Definition

A family medicine physician that is trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the health care of the individual engaged in physical exercise (sports) whether as an individual or in team participation.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 5101021186 (MI)

400 E 3RD ST, Duluth, MN 55805

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Priority Health.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. Daniel Bruno Diaz Do 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.

PECOS PAC ID5991921561

PECOS Enrollment IDI20251009003006, I20251009003167

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Daniel Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Duluth Clinic, Ltd

Same address

Multi-Specialty

400 E 3RD ST
Duluth, MN 55805

Reassigned Medicare billing, Minnesota enrollment
1,460 clinicians in this Medicare group

NPI 1245278209 (218) 786-8364

St. Mary's Hospital Of Superior

6.6 mi

Critical Access

3500 TOWER AVE
Superior, WI 54880

Reassigned Medicare billing, Wisconsin enrollment
Medicare enrollment name: St Marys Hospital Of Superior
381 clinicians in this Medicare group

NPI 1083657886 (715) 395-5400

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 15

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.

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

204 services97 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

163 services107 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

138 services93 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

135 services92 patients

Aspiration and/or injection of fluid from large joint 20610

132 services77 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

112 services77 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

92 services56 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

62 services47 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

58 services58 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

38 services38 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

24 services22 patients

Aspiration and/or injection of fluid from small joint using ultrasound guidance 20604

This procedure involves using ultrasound to accurately locate a small joint. A needle is then carefully inserted to remove fluid (aspiration) or inject medication. This can help diagnose or treat joint issues. It's generally safe and minimally invasive.

18 services11 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

13 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

13 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Essentia Health St Mary's Medical Center

Acute Care Hospitals · Duluth, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240002

Location402 East Second StreetDuluth, MN 55805 · St. Louis County

Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240019

Location502 East Second StreetDuluth, MN 55805 · St. Louis County

Birthing friendly

Essentia Health Virginia

Acute Care Hospitals · Virginia, MN

OwnershipGovernment - Local

CMS Certification Number240084

Location901 9th Street NorthVirginia, MN 55792 · St. Louis County

Birthing friendly

St Marys Hospital Superior

Critical Access Hospitals · Superior, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521329

Location3500 Tower AveSuperior, WI 54880 · Douglas County

Emergency services

Spooner Health System

Critical Access Hospitals · Spooner, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521332

Location1280 Chandler DrSpooner, WI 54801 · Washburn County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Knee orthosis (ko), double upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf L1852

DME-Orthotic Devices · category DF011N

4 suppliers15 claims15 services$552.03 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

CHRISTIAN CONNER RN, CRNA

Nurse Anesthetist, Certified Registered

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-4150

DR. BRANDY LEE SWEENEY DO

Anesthesiology

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

JORDAN TICHENOR

Internal Medicine (Infectious Disease)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-3737

MOLLY B DWYER APRN, CNP

Nurse Practitioner (Psychiatric/Mental Health)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

AMY MARIE LARSON MD

Hospitalist

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

BRUCE JAMES DERAUF

Radiology (Diagnostic Radiology)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

NIZAR NAJIB SALEH

Internal Medicine (Cardiovascular Disease)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

DIANE MAE KOLQUIST

Clinical Nurse Specialist (Medical-Surgical)

400 E 3RD ST
DULUTH, MN 55805

St. Louis County (218) 786-8364

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 Daniel Diaz's NPI number?

The NPI number for Daniel Diaz is 1770997884. It was assigned to this individual provider in the NPPES registry on June 17, 2014.

Where is Daniel Diaz located?

Daniel Diaz practices at 400 E 3rd St, Duluth, MN 55805. The listed phone number is (218) 786-8364.

What is Daniel Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.

Is Daniel Diaz enrolled in Medicare?

Yes. Daniel Diaz 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 Daniel Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Diaz reassigns Medicare benefits to 2 organizations: The Duluth Clinic, Ltd (Duluth, MN) and St. Mary's Hospital Of Superior (Superior, 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 Daniel Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Diaz accept?

Health plans from Anthem Blue Cross and Blue Shield and Priority Health list Daniel Diaz 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 Daniel Diaz affiliated with any hospitals?

According to CMS data, Daniel Diaz is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Virginia, St Marys Hospital Superior and Spooner Health System.

When was this NPI record last updated?

The NPPES record for Daniel Diaz was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.