Dr. Wilder E. Diaz-Calderon, MD

  • Fort Worth, TX
  • Internist
NPI1285697656PAC ID6103869722
Medicare services, 2024
591
Medicare patients, 2024
172
Part D claims, 2024
6,977
Publications
1
Hospital affiliations
2
Practice address
5612 Edwards Ranch Rd, Fort Worth, TX 76109
Practice phone
Call (817) 740-8400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Texas Health Care

Fort Worth, Texas

See all 5 affiliations

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Dr. Wilder E. Diaz-Calderon is an internist in Fort Worth, Texas

Dr. Diaz-Calderon practices at Texas Health Care in Fort Worth, Texas.

Dr. Diaz-Calderon's NPI, 1285697656, was assigned on April 7, 2006. Dr. Diaz-Calderon graduated from National University of San Marcos in 1998. Dr. Diaz-Calderon holds Texas license M5130.

NPI and contact details
Medicare PAC ID
6103869722
NPI enumeration date
April 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(817) 740-8400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. Wilder E. Diaz-Calderon practices at Texas Health Care in Fort Worth, Texas

Dr. Diaz-Calderon's primary practice is Texas Health Care, at 5612 Edwards Ranch Rd, Fort Worth, TX 76109 in Tarrant County. The practice phone is (817) 740-8400.

  • Texas Health Care
    5612 Edwards Ranch Rd, Fort Worth, TX 76109 · Tarrant CountyPhone(817) 740-8400

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Wilder E. Diaz-Calderon is affiliated with 4 sites of care and 1 medical group

Dr. Diaz-Calderon's primary practice is Texas Health Care in Fort Worth, Texas. Dr. Diaz-Calderon is also affiliated with Texas Health Fort Worth. The medical group on file is Texas Health Care. Dmand AI also links Dr. Diaz-Calderon to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Diaz-Calderon

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Wilder E. Diaz-Calderon's practice

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

EHR by site
SiteEHR vendor and product
Texas Health CareAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wilder E. Diaz-Calderon is one of 8,437 internists in Texas

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

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense M5130 · 2006 to 2026 · taxonomy 207R00000X
  • Arizona license2005 to 2007

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, aneurysm, anxiety, arthritis, asthma, atrial fibrillation and flutter and benign or precancerous skin growths among the conditions Dr. Diaz-Calderon treats.

Internists near Dr. Diaz-Calderon

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

Dr. Wilder E. Diaz-Calderon billed Medicare for 591 services in 2024

CMS data shows 591 Medicare services from Dr. Diaz-Calderon across 5 procedure codes in 2024, for 172 Medicare patients. Medicare paid $47,784 for them. Every service was in an office.

Medicare services, 2024591
Medicare patients172
Paid by Medicare$47,784
Procedure codes5

Dr. Diaz-Calderon's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4412024: 4533%
Other services
2023: 1412024: 11916%
Lab and pathology
2023: 5262024: 1996%
Tests and treatments
2023: 172024: 0100%
Surgery
2023: 1582024: 0100%

Dr. Diaz-Calderon compared with the Texas median for internists, 2024

  • Dr. Diaz-Calderon
  • Texas median
Medicare services
591vs 53910% above
Medicare patients
172vs 1909% below
Part D claims
6,409vs 28922.2 times

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Diaz-Calderon'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.

See all procedures by Dr. Diaz-Calderon

Need commercial claims for Dr. Diaz-Calderon?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz-Calderon and other internists in Texas.

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

Dr. Wilder E. Diaz-Calderon treated 172 Medicare patients in 2024, average age 76

CMS counts 172 Medicare patients who saw Dr. Diaz-Calderon in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Diaz-Calderon's median patient age at 68, with 50% women.

Medicare patients, 2024172
Average age76
Average risk score1.18

Dr. Diaz-Calderon's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Diaz-Calderon's Medicare patients by sex, 2024

  • Women8851%
  • Men8449%

Chronic conditions among Dr. Diaz-Calderon's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis51%
  4. Anxiety24%
  5. Ischemic heart disease23%
  6. Atrial fibrillation20%
  7. Chronic kidney disease20%
  8. Osteoporosis20%

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

Dr. Diaz-Calderon's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women50%
  • Men48%

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

Dr. Wilder E. Diaz-Calderon wrote 6,977 Medicare Part D claims in 2024

In 2024, Dr. Diaz-Calderon wrote 6,977 Medicare Part D claims for 408 patients. 85% of them were for generic drugs. CMS names the drug for 6,409 of them, across 122 drugs with 11 or more claims each, at $727,081 in total drug cost. In 2023, CMS named 6,087 claims across 109 drugs.

Part D claims, 20246,977
Drugs named by CMS122
Total drug cost$727,081
Part D patients408

Dr. Diaz-Calderon's Part D claims by kind of drug, 2024

  • Generic5,940 claims85%
  • Brand-name988 claims14%
  • Other49 claims1%

Dr. Diaz-Calderon'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 Dr. Diaz-Calderon's Part D claims, 2024

  • Opioids1%64 of 6,977 claims
  • Antibiotics2%165 of 6,977 claims
  • Antipsychotics, patients 65 and over0%20 of 6,977 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: 6,0872024: 6,4095%

Drugs named by CMS: 122 in 2024, 109 in 2023.

See all prescribing by Dr. Diaz-Calderon

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

Dr. Wilder E. Diaz-Calderon offers telehealth to Medicare patients

Dr. Diaz-Calderon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz-Calderon as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Wilder E. Diaz-Calderon has 1 publication on record

Dmand AI links 1 paper to Dr. Diaz-Calderon. Dr. Diaz-Calderon's most frequent co-authors are Sridhar Reddy Allam, MD, MPH, Vijay G. Kalaria, MD and Lincoln Rameshbhai Patel, MD.

Papers1

Dr. Diaz-Calderon's most frequent co-authors

Recent publications by Dr. Diaz-Calderon

See all 1 publications and co-authors

See who Dr. Diaz-Calderon researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Diaz-Calderon works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Wilder E. Diaz-Calderon received $3,031 in industry payments from 2016 to 2025

CMS Open Payments shows 138 general payments to Dr. Diaz-Calderon from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $548.

General payments to Dr. Diaz-Calderon by program year, 2016 to 2025

General payments to Dr. Diaz-Calderon by kind, 2016 to 2025

$3Kin total
  • Food and beverage$3,029100%
  • Education$20%

Companies that paid Dr. Diaz-Calderon the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Diaz-Calderon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Wilder E. Diaz-Calderon graduated from National University of San Marcos

Dr. Diaz-Calderon graduated from National University of San Marcos in 1998.

  1. Medical schoolNational University of San Marcos
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Wilder E. Diaz-Calderon accepts plans from 18 insurance carriers

Dr. Diaz-Calderon is in network with 18 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Humana
  • Aetna
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +10 more carriersWith a free account

Plan types Dr. Diaz-Calderon accepts, by number of carriers

  1. PPO11
  2. HMO9
  3. Medicare8
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Wilder E. Diaz-Calderon'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Dr. Wilder E. Diaz-Calderon

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

What is Dr. Wilder E. Diaz-Calderon's NPI number?

Dr. Wilder E. Diaz-Calderon's NPI number is 1285697656. It was assigned on April 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Wilder E. Diaz-Calderon?

Dr. Wilder E. Diaz-Calderon is an internist in Fort Worth, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Wilder E. Diaz-Calderon practice?

Dr. Diaz-Calderon practices at 5612 Edwards Ranch Rd, Fort Worth, TX 76109. Dr. Diaz-Calderon's primary practice is Texas Health Care in Fort Worth, Texas. Dmand AI also links Dr. Diaz-Calderon to 1 hospital and 1 group practice or clinic.

What is Dr. Wilder E. Diaz-Calderon's office phone number?

The practice phone on file for Dr. Diaz-Calderon is (817) 740-8400.

What is Dr. Wilder E. Diaz-Calderon's medical license number?

Dr. Diaz-Calderon holds Texas license M5130, one of the licenses on file in 2 states.

Which states has Dr. Wilder E. Diaz-Calderon been licensed in?

Dmand AI has state licenses on file for Dr. Diaz-Calderon in Texas (2006 to 2026) and Arizona (2005 to 2007).

Which hospitals is Dr. Wilder E. Diaz-Calderon affiliated with?

Dr. Diaz-Calderon is affiliated with Texas Health Fort Worth. Dmand AI links Dr. Diaz-Calderon to 1 more hospital.

What medical group is Dr. Wilder E. Diaz-Calderon part of?

Dr. Diaz-Calderon is linked to Texas Health Care.

Does Dr. Wilder E. Diaz-Calderon accept Medicare?

Yes. CMS data shows Dr. Diaz-Calderon billed Medicare for 591 services in 2024, and Dr. Diaz-Calderon accepts Medicare assignment.

Does Dr. Wilder E. Diaz-Calderon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Diaz-Calderon as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Wilder E. Diaz-Calderon see?

CMS counts 172 Medicare patients who saw Dr. Diaz-Calderon in 2024, with an average age of 76.

Is Dr. Wilder E. Diaz-Calderon board certified?

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

What services does Dr. Wilder E. Diaz-Calderon bill to Medicare?

In 2024, Dr. Diaz-Calderon's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).

Where did Dr. Wilder E. Diaz-Calderon go to medical school?

Dr. Diaz-Calderon graduated from National University of San Marcos in 1998.

What drugs does Dr. Wilder E. Diaz-Calderon prescribe most?

In 2024 Medicare Part D data, Dr. Diaz-Calderon's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.

Has Dr. Wilder E. Diaz-Calderon received payments from drug or device companies?

CMS Open Payments shows $3,031 in general payments to Dr. Diaz-Calderon from 22 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Wilder E. Diaz-Calderon been practicing?

Dr. Diaz-Calderon graduated from medical school in 1998, 28 years ago.

Does Dr. Wilder E. Diaz-Calderon do research?

Dmand AI links 1 publication to Dr. Diaz-Calderon.

Who does Dr. Wilder E. Diaz-Calderon publish with?

Dr. Diaz-Calderon's most frequent co-authors are Sridhar Reddy Allam, MD, MPH (1 shared paper), Vijay G. Kalaria, MD (1 shared paper) and Lincoln Rameshbhai Patel, MD (1 shared paper).

What insurance does Dr. Wilder E. Diaz-Calderon accept?

Dr. Diaz-Calderon is in network with 18 carriers, including Elevance, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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