Josefino Calibo Diaz

  • Duluth, MN
  • Internist
NPI1891723599PAC ID0446390199
Medicare services, 2024
291
Medicare patients, 2024
158
Part D claims, 2024
4,398
Hospital affiliations
1
Medical groups
2
Practice address
3111 Church Street, Duluth, MN 55811
Practice phone
Call (218) 727-8801
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Viewcrest Health Center

Skilled Nursing Facility · Duluth, Minnesota

See all 5 affiliations

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Josefino Calibo Diaz is an internist in Duluth, Minnesota

Josefino Diaz practices at Viewcrest Health Center in Duluth, Minnesota.

Josefino Diaz's NPI, 1891723599, was assigned on June 29, 2006. Josefino Diaz graduated from Saint Louis University School Of Medicine in 1983. Josefino Diaz holds Minnesota license 44952.

NPI and contact details
Medicare PAC ID
0446390199
NPI enumeration date
June 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(218) 727-8801
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Josefino Calibo Diaz practices at Viewcrest Health Center in Duluth, Minnesota

Josefino Diaz's primary practice is Viewcrest Health Center, at 3111 Church Street, Duluth, MN 55811 in St. Louis County. The practice phone is (218) 727-8801.

  • Viewcrest Health Center
    3111 Church Street, Duluth, MN 55811 · St. Louis CountyPhone(218) 727-8801

Source: Dmand AI Affiliation Data

Josefino Calibo Diaz is affiliated with 3 sites of care and 2 medical groups

Josefino Diaz's primary practice is Viewcrest Health Center in Duluth, Minnesota. Josefino Diaz is also affiliated with Essentia Health-Duluth (Miller-Dwan, Building D). The medical group on file is Essentia Health-Duluth Clinic. Dmand AI also links Josefino Diaz to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Josefino Diaz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Josefino Calibo Diaz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Josefino Diaz practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Viewcrest Health CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Josefino Calibo Diaz is one of 2,322 internists in Minnesota

Internal medicine is Josefino Diaz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Josefino Diaz is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Josefino Diaz's licenses on file in 2 states: Minnesota and Illinois.

Specialties and state licenses

  • Internal medicine, MinnesotaPrimaryLicense 44952 · 2002 to 2026 · taxonomy 207R00000X
  • Illinois license1998 to 2005

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, asthma, atrial fibrillation and flutter, cerebrovascular disease, chronic anemia, chronic diabetes and chronic hypertension among the conditions Josefino Diaz treats.

Internists near Josefino Diaz

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Josefino Calibo Diaz billed Medicare for 291 services in 2024

CMS data shows 291 Medicare services from Josefino Diaz across 4 procedure codes in 2024, for 158 Medicare patients. Medicare paid $24,890 for them.

Medicare services, 2024291
Medicare patients158
Paid by Medicare$24,890
Procedure codes4

Josefino Diaz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3142024: 26715%
Other services
2023: 142024: 2471%

Where Josefino Diaz's Medicare services took place, 2024

  • In an office207%
  • In a facility27193%

Josefino Diaz compared with the Minnesota median for internists, 2024

  • Josefino Diaz
  • Minnesota median
Medicare services
291vs 33613% below
Medicare patients
158vs 1487% above
Part D claims
3,682vs 14425.6 times

Medians across 2,238 internists in Minnesota with Dmand AI profiles that report each measure.

Josefino Diaz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Josefino Calibo Diaz treated 158 Medicare patients in 2024, average age 74

CMS counts 158 Medicare patients who saw Josefino Diaz in 2024. The largest group is 65 to 74, with 63 patients. 68% of them have high blood pressure, and 68% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Josefino Diaz's median patient age at 71, with 34% women.

Medicare patients, 2024158
Average age74
Average risk score1.75
Also on Medicaid33%

Josefino Diaz's Medicare patients by age, 2024

Josefino Diaz's Medicare patients by sex, 2024

  • Women6038%
  • Men9862%

Chronic conditions among Josefino Diaz's Medicare patients, 2024

  1. High blood pressure68%
  2. High cholesterol68%
  3. Arthritis51%
  4. Diabetes34%
  5. Anxiety29%
  6. Ischemic heart disease28%
  7. Atrial fibrillation27%
  8. Chronic kidney disease27%

Share of Medicare patients with each condition. A patient can have several.

Josefino Diaz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women34%
  • Men66%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Josefino Calibo Diaz wrote 4,398 Medicare Part D claims in 2024

In 2024, Josefino Diaz wrote 4,398 Medicare Part D claims for 446 patients. 86% of them were for generic drugs. CMS names the drug for 3,682 of them, across 79 drugs with 11 or more claims each, at $281,203 in total drug cost. In 2023, CMS named 9,069 claims across 148 drugs.

Part D claims, 20244,398
Drugs named by CMS79
Total drug cost$281,203
Part D patients446

Josefino Diaz's Part D claims by kind of drug, 2024

  • Generic3,764 claims86%
  • Brand-name610 claims14%
  • Other24 claims1%

Josefino Diaz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Josefino Diaz's Part D claims, 2024

  • Opioids4%158 of 4,398 claims
  • Antibiotics1%34 of 4,398 claims
  • Antipsychotics, patients 65 and over0%13 of 4,398 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9,0692024: 3,68259%

Drugs named by CMS: 79 in 2024, 148 in 2023.

See all prescribing by Josefino Diaz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Josefino Calibo Diaz takes part in Medicare

Josefino Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Josefino Calibo Diaz has 1 award and honors on record

Dmand AI lists 1 award for Josefino Diaz, most recently CMS Stage 1 EHR in 2011.

Awards and honors for Josefino Diaz

  1. 2011
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Josefino Calibo Diaz graduated from Saint Louis University School Of Medicine

Josefino Diaz graduated from Saint Louis University School Of Medicine in 1983.

  1. Medical schoolSaint Louis University School Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Josefino Calibo Diaz accepts plans from 19 insurance carriers

Josefino Diaz is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Medica
  • United Healthcare
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +11 more carriersWith a free account

Plan types Josefino Diaz accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Josefino Calibo Diaz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Josefino Calibo Diaz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Josefino Calibo Diaz's NPI number?

Josefino Calibo Diaz's NPI number is 1891723599. It was assigned on June 29, 2006, and it is active in the NPI Registry.

What does Josefino Calibo Diaz specialize in?

Josefino Calibo Diaz is an internist in Duluth, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Josefino Calibo Diaz practice?

Josefino Diaz practices at 3111 Church Street, Duluth, MN 55811. Josefino Diaz's primary practice is Viewcrest Health Center in Duluth, Minnesota. Dmand AI also links Josefino Diaz to 1 group practice or clinic and 1 medical group.

What is Josefino Calibo Diaz's office phone number?

The practice phone on file for Josefino Diaz is (218) 727-8801.

What is Josefino Calibo Diaz's medical license number?

Josefino Diaz holds Minnesota license 44952, one of the licenses on file in 2 states.

Which states has Josefino Calibo Diaz been licensed in?

Dmand AI has state licenses on file for Josefino Diaz in Minnesota (2002 to 2026) and Illinois (1998 to 2005).

Which hospitals is Josefino Calibo Diaz affiliated with?

Josefino Diaz is affiliated with Essentia Health-Duluth (Miller-Dwan, Building D).

What medical group is Josefino Calibo Diaz part of?

Josefino Diaz is linked to Essentia Health-Duluth Clinic. Dmand AI links Josefino Diaz to 1 more medical group.

Does Josefino Calibo Diaz accept Medicare?

Yes. CMS data shows Josefino Diaz billed Medicare for 291 services in 2024, and Josefino Diaz accepts Medicare assignment.

How many Medicare patients does Josefino Calibo Diaz see?

CMS counts 158 Medicare patients who saw Josefino Diaz in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

Is Josefino Calibo Diaz board certified?

Yes. Josefino Diaz is board certified in internal medicine by the American Board of Internal Medicine.

What services does Josefino Calibo Diaz bill to Medicare?

In 2024, Josefino Diaz's most billed Medicare services were office visit, established patient (99214), nursing facility care (99310) and nursing facility care (99306).

Where did Josefino Calibo Diaz go to medical school?

Josefino Diaz graduated from Saint Louis University School Of Medicine in 1983.

What drugs does Josefino Calibo Diaz prescribe most?

In 2024 Medicare Part D data, Josefino Diaz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

How long has Josefino Calibo Diaz been practicing?

Josefino Diaz graduated from medical school in 1983, 43 years ago.

What insurance does Josefino Calibo Diaz accept?

Josefino Diaz is in network with 19 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Medica. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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