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JOSEFINO CALIBO DIAZ
NPI 1891723599
Internal Medicine in Duluth, MN

Active since June 29, 2006PECOS EnrolledAccepts Medicare Assignment
400 E 3RD ST, DULUTH, MN 55805(218) 786-8364 Get Directions Write a Review

NPPES record last updated: June 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Josefino Calibo Diaz NPPES

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

JOSEFINO CALIBO DIAZ (NPI 1891723599) is an individual internal medicine provider in Duluth, Minnesota, licensed in Minnesota (44952) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Essentia Health Duluth, and is a graduate of Saint Louis University School Of Medicine (1983).

NPPES Registry Identity

NPI1891723599
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOSEFINO CALIBO DIAZ
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 CMSSaint Louis University School Of MedicineGraduated 1983
Enumeration DateJune 29, 2006
Last NPPES UpdateJune 22, 2020
NPPES CertifiedJune 22, 2020
✔ NPI 1891723599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MN · 44952
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License 44952 (MN)
400 E 3RD ST, Duluth, MN 55805
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Other Identifiers 1

Medicaid442858700MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica, Sanford Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Josefino Calibo Diaz 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 ID446390199
PECOS Enrollment IDI20091210000702
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.

Areas of Expertise CMS Part B claims 5

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.

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.
168 services99 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
40 services22 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
39 services37 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
24 services24 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
20 services16 patients

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, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240019
Location502 East Second StreetDuluth, MN 55805 · 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

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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
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 6

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers38 claims104 services$5.95 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers18 claims26 services$1.00 avg. paid by Medicare
Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
1 supplier12 claims2,160 services$0.11 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
4 suppliers23 claims3,930 services$1.71 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers12 claims12 services$14.88 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers22 claims22 services$84.69 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
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
GINA MARIE SLIPKA-MARINOS
Internal Medicine
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 Josefino Diaz's NPI number?

The NPI number for Josefino Diaz is 1891723599. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Where is Josefino Diaz located?

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

What is Josefino Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Josefino Diaz enrolled in Medicare?

Yes. Josefino 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.

What insurance does Josefino Diaz accept?

Health plans from HealthPartners, Medica, Sanford Health Plan and Security Health Plan list Josefino 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 Josefino Diaz affiliated with any hospitals?

According to CMS data, Josefino Diaz is affiliated with Essentia Health Duluth and St Marys Hospital Superior.

When was this NPI record last updated?

The NPPES record for Josefino Diaz was last updated on June 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.