Provider Profile
Ronald E. Diaz, FNP
Unclaimed ProfileAbout Ronald Diaz
Ronald E. Diaz, FNP is a nurse practitioner — family practicing in Tucson, AZ. Ronald is also listed as specializing in registered nurse. Medicare claims data shows Ronald provided 290 services to 240 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (520) 613-1001
- Email not available
Practice Locations
2940 S 6TH AVE
Tucson, AZ 85713
7890 N Cortaro Rd
Tucson, AZ 85743
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Most searched procedures
Allergies
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
Ear, nose & throat
Heart health
Hormones & endocrine
Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
Neurological care
Occupational health
Pain management
Physical exams
Prescriptions
- Prescription Refill
Preventative care
Preventative exams
Respiratory care
Screenings
Sexual health
- PrEP consultation
- STD Swabs and Screening
Skin procedures
Sleep
- At-Home Sleep Study Ordering
Urgent care
Weight management
Women's health
Procedures Most Often Billed to Medicare
290 services · 240 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
176 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 | As often as other peers in Nurse Practitioner, Family |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
29 | As often as other peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
25 | As often as other peers in Nurse Practitioner, Family |
| Administration of influenza virus vaccine | Billing code | G0008 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
Common questions
What does Ronald E. Diaz specialize in?
Ronald E. Diaz is a nurse practitioner in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Ronald E. Diaz located?
Ronald E. Diaz is listed at 2940 S 6Th Ave, Tucson, AZ 85713. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ronald E. Diaz's phone number?
The number on file is (520) 613-1001. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Ronald E. Diaz?
Ronald E. Diaz's National Provider Identifier is 1124263561. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Ronald E. Diaz have?
Ronald E. Diaz has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Ronald E. Diaz do most often?
According to Medicare billing data, Ronald E. Diaz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ronald E. Diaz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ronald E. Diaz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.