JULIA DIAZ APRN
NPI 1538531306
Nurse Practitioner - Family in Sulphur, OK

Active since October 20, 2015PECOS EnrolledAccepts Medicare Assignment
2011 W BROADWAY AVE, SULPHUR, OK 73086(580) 622-4482(580) 297-9113 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 5, 2020, Feb 13, 2016 (2 updates tracked since 2016).

About Julia Diaz Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JULIA DIAZ APRN (NPI 1538531306) is an individual family provider in Sulphur, Oklahoma, licensed in Oklahoma (94081) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ada, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1538531306
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJULIA DIAZCredential: APRN
Location Address2011 W BROADWAY AVESulphur, OK 73086-4221
Mailing AddressPo Box 1109Sulphur, OK 73086-8109 · (580) 622-4482 · Fax (580) 297-9113
Fax(580) 297-9113
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 20, 2015
Last NPPES UpdateOctober 22, 20252 updates tracked since enumeration
NPPES CertifiedOctober 22, 2025
NPI 1538531306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in OK · 94081
Also ListedRegistered NurseTaxonomy 163W00000X · License 90481 (OK)
2011 W BROADWAY AVE, Sulphur, OK 73086

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Julia Diaz Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365732070
PECOS Enrollment IDI20170823001391
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
387 services189 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
204 services34 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
197 services144 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
127 services69 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
124 services22 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
123 services97 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital Ada

Acute Care Hospitals · Ada, OK
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370020
Location430 North Monte VistaAda, OK 74820 · Pontotoc County
Emergency services Birthing friendly

Mercy Hospital Ardmore, Inc

Acute Care Hospitals · Ardmore, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number370047
Location1011 14th Ave NWArdmore, OK 73401 · Carter County
Emergency services Birthing friendly

Arbuckle Memorial Hospital

Critical Access Hospitals · Sulphur, OK
OwnershipGovernment - Local
CMS Certification Number371328
Location2011 West BroadwaySulphur, OK 73086 · Murray County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73086 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers11 claims11 services$53.33 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
2011 W BROADWAY AVE
SULPHUR, OK 73086
Nurse Practitioner (Family)
2011 W BROADWAY AVE
SULPHUR, OK 73086
Family Medicine
2011 W BROADWAY AVE
SULPHUR, OK 73086
Family Medicine
2011 W BROADWAY AVE
SULPHUR, OK 73086
Physical Therapy Assistant
2011 W BROADWAY AVE
SULPHUR, OK 73086
Physical Therapist
2011 W BROADWAY AVE
SULPHUR, OK 73086
Family Medicine
2011 W BROADWAY AVE
SULPHUR, OK 73086
General Acute Care Hospital (Critical Access)
2011 W BROADWAY AVE
SULPHUR, OK 73086

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Julia Diaz's NPI number?

The NPI number for Julia Diaz is 1538531306. It was assigned to this individual provider in the NPPES registry on October 20, 2015.

Where is Julia Diaz located?

Julia Diaz practices at 2011 W Broadway Ave, Sulphur, OK 73086. The listed phone number is (580) 622-4482.

What is Julia Diaz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Julia Diaz enrolled in Medicare?

Yes. Julia Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Julia Diaz accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Julia Diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Julia Diaz affiliated with any hospitals?

According to CMS data, Julia Diaz is affiliated with Mercy Hospital Ada, Mercy Hospital Ardmore, Inc and Arbuckle Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Julia Diaz was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.