Julia L. Diaz, APRN
- Medicare patients, 2024
- 245
- Part D claims, 2024
- 4,415
- Hospital affiliations
- 3
- Industry payments
- $134
- Medical groups
- 2
- Practice address
- 2011 W Broadway, Sulphur, OK 73086
- Practice phone
- Call (580) 622-4482
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arbuckle Family Clinic
Rural Health Clinic - Hospital-Owned · Sulphur, Oklahoma
Find Julia Diaz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Julia L. Diaz is a family nurse practitioner in Sulphur, Oklahoma
Julia Diaz practices at Arbuckle Family Clinic in Sulphur, Oklahoma.
Julia Diaz's NPI, 1538531306, was assigned on October 20, 2015. Julia Diaz holds Oklahoma license 94081.
- NPI
- 1538531306NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365732070
- NPI enumeration date
- October 20, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (580) 622-4482
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Julia L. Diaz practices at Arbuckle Family Clinic in Sulphur, Oklahoma
Julia Diaz's primary practice is Arbuckle Family Clinic, at 2011 W Broadway, Sulphur, OK 73086. The practice phone is (580) 622-4482.
- Arbuckle Family Clinic2011 W Broadway, Sulphur, OK 73086Phone(580) 622-4482
Source: Dmand AI Affiliation Data
Julia L. Diaz is affiliated with 5 sites of care and 2 medical groups
Julia Diaz's primary practice is Arbuckle Family Clinic in Sulphur, Oklahoma. Julia Diaz is also affiliated with Arbuckle Memorial Hospital. The medical group on file is Arbuckle Family Clinic. Dmand AI also links Julia Diaz to 2 more hospitals, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Julia L. Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Julia Diaz practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arbuckle Family Clinic | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Julia L. Diaz is one of 2,246 family nurse practitioners in Oklahoma
Family is Julia Diaz's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Julia Diaz is licensed in Oklahoma.
Specialties and state licenses
- Family nurse practitioner, OklahomaPrimary
Family nurse practitioners near Julia Diaz
Counts of family 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
Julia L. Diaz treated 245 Medicare patients in 2024, average age 72
CMS counts 245 Medicare patients who saw Julia Diaz in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Julia Diaz's median patient age at 53, with 66% women.
Julia Diaz's Medicare patients by age, 2024
Julia Diaz's Medicare patients by sex, 2024
- Women16266%
- Men8334%
Chronic conditions among Julia Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Chronic kidney disease39%
- Diabetes37%
- Anxiety34%
- Ischemic heart disease34%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Julia 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
- Women66%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Julia L. Diaz wrote 4,415 Medicare Part D claims in 2024
In 2024, Julia Diaz wrote 4,415 Medicare Part D claims for 458 patients. 86% of them were for generic drugs.
Julia Diaz's Part D claims by kind of drug, 2024
- Generic3,798 claims86%
- Brand-name586 claims13%
- Other31 claims1%
Drug classes CMS tracks in Julia Diaz's Part D claims, 2024
- Opioids2%106 of 4,415 claims
- Antibiotics4%194 of 4,415 claims
- Antipsychotics, patients 65 and over1%29 of 4,415 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Julia L. Diaz takes part in Medicare
Julia 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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Julia L. Diaz received $134 in industry payments in 2025
CMS Open Payments shows 8 general payments to Julia Diaz from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $39.
Companies that paid Julia Diaz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Julia L. Diaz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Julia 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 Julia L. Diaz's NPI number?
Julia L. Diaz's NPI number is 1538531306. It was assigned on October 20, 2015, and it is active in the NPI Registry.
What does Julia L. Diaz specialize in?
Julia L. Diaz is a family nurse practitioner in Sulphur, Oklahoma. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Julia L. Diaz practice?
Julia Diaz practices at 2011 W Broadway, Sulphur, OK 73086. Julia Diaz's primary practice is Arbuckle Family Clinic in Sulphur, Oklahoma. Dmand AI also links Julia Diaz to 2 hospitals, 1 home health agency and 1 medical group.
What is Julia L. Diaz's office phone number?
The practice phone on file for Julia Diaz is (580) 622-4482.
What is Julia L. Diaz's medical license number?
Julia Diaz holds Oklahoma license 94081.
Which hospitals is Julia L. Diaz affiliated with?
Julia Diaz is affiliated with Arbuckle Memorial Hospital. Dmand AI links Julia Diaz to 2 more hospitals.
What medical group is Julia L. Diaz part of?
Julia Diaz is linked to Arbuckle Family Clinic. Dmand AI links Julia Diaz to 1 more medical group.
Does Julia L. Diaz accept Medicare?
Yes. CMS lists Julia Diaz as accepting Medicare assignment.
How many Medicare patients does Julia L. Diaz see?
CMS counts 245 Medicare patients who saw Julia Diaz in 2024, with an average age of 72.
Has Julia L. Diaz received payments from drug or device companies?
CMS Open Payments shows $134 in general payments to Julia Diaz from 6 companies from 2025 to 2025. The largest total came from Amgen Inc.
How long has Julia L. Diaz been practicing?
Julia Diaz graduated from medical school in 2015, 11 years ago.
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