Julia Diaz, APRN
Family Nurse Practitioner · Sulphur, OK
Julia Diaz, APRN is a family nurse practitioner with a practice address in Sulphur, Oklahoma, and NPI 1538531306, issued on Oct 20, 2015. Check the license (Oklahoma 94081, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julia Diaz
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 94081 OK
90481 OK
Self-reported in NPPES; status is on the state search - Practice location
- 2011 W Broadway Ave, Sulphur, OK 73086
- Phone
- (580) 622-4482
- Enumerated
- Oct 20, 2015
- Record last updated
- Oct 22, 2025
- Fax
- (580) 297-9113
- Medicare enrollment
- Enrolled (PECOS I20170823001391); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,711 in Oklahoma → Look up another NPI →
Also registered at 2011 W Broadway Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tyger FreemanFamily Nurse Practitioner1902324262
- Teresa Lynn, DOFamily Medicine Physician1265475735
- Monique Robison-Troxell, D.P.T.Physical Therapist1467851964
- George Russell, D.O.Family Medicine Physician1508307448
- Stacey SmithFamily Nurse Practitioner1225556681
Verify Julia Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 94081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,415 Medicare Part D claims for 458 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 106 claims were for opioids.
Most prescribed
- Atorvastatin Calcium214 claims
- Levothyroxine Sodium179 claims
- Omeprazole176 claims
- Ozempic119 claims
- Amlodipine Besylate112 claims
- Gabapentin108 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $157.18
8 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Arbuckle Memorial HospitalSulphur, OK · Critical Access Hospitals4 of 5 stars
- Mercy Clinic Oklahoma CommunitiesAda, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Julia Diaz among 2,711 family nurse practitioner records in Oklahoma
Julia Diaz, APRN is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 25% of them.
- NPI issued2015 · 25% of these records are older, 69% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2018 among the 1,783 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family nurse practitioner records list a practice address in Sulphur
They are 4 of the 92 NPPES records with a practice address in Sulphur, and 2,711 family nurse practitioner records in Oklahoma.
All 2,711 in Oklahoma → Every provider in Sulphur → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- John Casady, APRN-CNPSulphur, OK 730861891202552
- Tyger FreemanSulphur, OK 730861902324262
- Stacey SmithSulphur, OK 730861225556681
- Craig Dawson, APRNSpencer, OK 730841033725205
- Shijy Joykutty, FNPSpencer, OK 730841457899841
- Betsy Mathew, NP-CSpencer, OK 730841639779986
- Beena ThomasSpencer, OK 730841649826033
- Timber Jackson, FNP-CTuttle, OK 730891164021150
Common questions
What is Julia Diaz, APRN's NPI number?
Julia Diaz, APRN's National Provider Identifier (NPI) is 1538531306, issued on Oct 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Julia Diaz, APRN located?
The NPPES record lists a practice address at 2011 W Broadway Ave, Sulphur, OK, 73086. Phone: (580) 622-4482. Providers update this record themselves, so call before visiting.
How can I verify Julia Diaz, APRN's license?
NPPES lists Oklahoma license number 94081, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Julia Diaz, APRN prescribe under Medicare Part D?
In 2024, Julia Diaz, APRN had 4,415 Medicare Part D claims for 458 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.