Mardy Lindt Fionne L. Diaz

  • Fontana, CA
  • Nurse practitioner
NPI1346707221
Medicare patients, 2024
54
Part D claims, 2024
161
Hospital affiliations
1
Industry payments
$1,082
Medical group
1
Practice address
9961 Sierra Ave, Fontana, CA 92335
Practice phone
Call (909) 427-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

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Mardy Lindt Fionne L. Diaz is a nurse practitioner in Fontana, California

Mardy Lindt Fionne Diaz practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

Mardy Lindt Fionne Diaz's NPI, 1346707221, was assigned on February 27, 2019. Mardy Lindt Fionne Diaz holds California license NP95031026.

NPI and contact details
NPI enumeration date
February 27, 2019
NPI status
Active
Practice phone
(909) 427-5000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
28
Medical school graduation
2024

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

Mardy Lindt Fionne L. Diaz practices at Fontana Medical Center in Fontana, California

Mardy Lindt Fionne Diaz's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.

Source: Dmand AI Affiliation Data

Mardy Lindt Fionne L. Diaz is affiliated with 1 site of care and 1 medical group

Mardy Lindt Fionne Diaz's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

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

Dmand AI tracks the EHR system at Mardy Lindt Fionne L. Diaz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mardy Lindt Fionne Diaz practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fontana Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Mardy Lindt Fionne L. Diaz is one of 5,983 nurse practitioners in California

Nurse practitioner is Mardy Lindt Fionne Diaz's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mardy Lindt Fionne Diaz is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense NP95031026 · taxonomy 363L00000X

Nurse practitioners near Mardy Lindt Fionne Diaz

Counts of nurse practitioners 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

Mardy Lindt Fionne L. Diaz treated 54 Medicare patients in 2024, average age 73

CMS counts 54 Medicare patients who saw Mardy Lindt Fionne Diaz in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mardy Lindt Fionne Diaz's median patient age at 53, with 61% women.

Medicare patients, 202454
Average age73
Average risk score1.47
Also on Medicaid39%

Mardy Lindt Fionne Diaz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mardy Lindt Fionne Diaz's Medicare patients by sex, 2024

  • Women2241%
  • Men3259%

Chronic conditions among Mardy Lindt Fionne Diaz's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Diabetes31%
  5. Chronic kidney disease28%
  6. Anxiety24%
  7. COPD22%
  8. Ischemic heart disease22%

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

Mardy Lindt Fionne 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 53

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Mardy Lindt Fionne L. Diaz wrote 161 Medicare Part D claims in 2024

In 2024, Mardy Lindt Fionne Diaz wrote 161 Medicare Part D claims for 96 patients. 91% of them were for generic drugs.

Part D claims, 2024161
Part D patients96

Mardy Lindt Fionne Diaz's Part D claims by kind of drug, 2024

  • Generic147 claims91%
  • Brand-name14 claims9%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Mardy Lindt Fionne L. Diaz received $1,082 in industry payments in 2025

CMS Open Payments shows 39 general payments to Mardy Lindt Fionne Diaz from 11 drug and device companies in 2025. Food and beverage make up the largest share, 93% of the total. Sanofi and Genzyme US Companies paid the most, $224.

General payments to Mardy Lindt Fionne Diaz by kind, 2025 to 2025

$1.1Kin total
  • Food and beverage$1,00593%
  • Education$777%

Companies that paid Mardy Lindt Fionne Diaz the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mardy Lindt Fionne Diaz

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

Sources for Mardy Lindt Fionne L. 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 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 (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Mardy Lindt Fionne L. 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 Mardy Lindt Fionne L. Diaz's NPI number?

Mardy Lindt Fionne L. Diaz's NPI number is 1346707221. It was assigned on February 27, 2019, and it is active in the NPI Registry.

What does Mardy Lindt Fionne L. Diaz specialize in?

Mardy Lindt Fionne L. Diaz is a nurse practitioner in Fontana, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Mardy Lindt Fionne L. Diaz practice?

Mardy Lindt Fionne Diaz practices at 9961 Sierra Ave, Fontana, CA 92335. Mardy Lindt Fionne Diaz's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

What is Mardy Lindt Fionne L. Diaz's office phone number?

The practice phone on file for Mardy Lindt Fionne Diaz is (909) 427-5000.

What is Mardy Lindt Fionne L. Diaz's medical license number?

Mardy Lindt Fionne Diaz holds California license NP95031026.

Which hospitals is Mardy Lindt Fionne L. Diaz affiliated with?

Mardy Lindt Fionne Diaz practices at Fontana Medical Center in Fontana, California.

What medical group is Mardy Lindt Fionne L. Diaz part of?

Mardy Lindt Fionne Diaz is linked to Southern California Permanente Medical Group.

How many Medicare patients does Mardy Lindt Fionne L. Diaz see?

CMS counts 54 Medicare patients who saw Mardy Lindt Fionne Diaz in 2024, with an average age of 73.

Has Mardy Lindt Fionne L. Diaz received payments from drug or device companies?

CMS Open Payments shows $1,082 in general payments to Mardy Lindt Fionne Diaz from 11 companies from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.

How long has Mardy Lindt Fionne L. Diaz been practicing?

Mardy Lindt Fionne Diaz graduated from medical school in 2024, 2 years ago.

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