DR. DIANA CRISTINA OLIVAS M.D.
NPI 1811284276
Family Medicine in Oro Valley, AZ

Q: What is Diana Olivas's NPI number?

The NPI number for Diana Olivas is 1811284276. It was assigned to this individual provider in the NPPES registry on July 6, 2011.

Q: What is Diana Olivas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Olivas was last updated on August 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since July 06, 2011PECOS Enrolled

1880 E TANGERINE RD STE 100, ORO VALLEY, AZ 85755(520) 900-7006 Get Directions Write a Review

NPPES record last updated: August 13, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 13, 2022, Oct 1, 2020 (2 updates tracked since 2020).

On this page

About Dr. Diana Cristina Olivas M.d. NPPES

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

DR. DIANA CRISTINA OLIVAS M.D. (NPI 1811284276) is an individual family medicine provider in Oro Valley, Arizona, licensed in Arizona (49869) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2011).

NPPES Registry Identity

NPI1811284276

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. DIANA CRISTINA OLIVASCredential: M.D.

Location Address1880 E TANGERINE RD STE 100Oro Valley, AZ 85755-6238

Mailing Address8755 N Sunnyslope DrTucson, AZ 85704-6622 · (520) 481-9486

Phone(520) 900-7006

Sole ProprietorNo

Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2011

Enumeration DateJuly 6, 2011

Last NPPES UpdateAugust 13, 20222 updates tracked since enumeration

NPPES CertifiedAugust 13, 2022

✔ NPI 1811284276 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in AZ · 49869✔ Licensed in AZ · R72817

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1880 E TANGERINE RD STE 100, Oro Valley, AZ 85755

Open in Google Maps ↗

Secondary Practice Location 1

Location 14001 E Sunrise Dr Ste 121Tucson, AZ 85718-4333 · Phone (520) 209-7000

Other Identifiers 1

Medicaid9794976AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Diana Cristina Olivas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6305160573

PECOS Enrollment IDI20260120002295

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.

Medicare Billing Reassignments

Medicare enrollment records show Diana Olivas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern Arizona Urgent Care, LLC

Same address

Urgent Care

1880 E TANGERINE RD, STE 100
Oro Valley, AZ 85755

Reassigned Medicare billing, Arizona enrollment
99 clinicians in this Medicare group

NPI 1689039398 (520) 900-7006

Carbon Health Medical Group Of California PC

433 mi

Urgent Care

600 E COLORADO BLVD # 120
Pasadena, CA 91101

Reassigned Medicare billing, California enrollment
241 clinicians in this Medicare group

NPI 1255957205 (415) 200-2133

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

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.

359 services328 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

171 services161 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

170 services170 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.

127 services119 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.

89 services35 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

77 services77 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

74 services74 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.

57 services57 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

56 services56 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

46 services27 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

25 services24 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

25 services25 patients

Inhalation treatment for airway obstruction or sputum production 94640

Inhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.

25 services24 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

24 services24 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

20 services20 patients

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

Albuterol and ipratropium bromide are medications used to help you breathe more easily. They work by relaxing your airways and increasing airflow to your lungs. These FDA-approved drugs are administered through a device called DME (Durable Medical Equipment) which ensures accurate dosage.

18 services18 patients

Diphtheria and tetanus vaccine (7 years or older) 90714

The Diphtheria and Tetanus vaccine is a preventive measure given to individuals aged 7 or older. It helps your body develop immunity to these serious diseases. The vaccine is typically administered as a shot in the arm or thigh. It's a crucial part of maintaining your health.

16 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

15 services15 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85755 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

Other Providers at the Same Location NPPES

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

CARBON HEALTH PRIMARY CARE OF FLORIDA PA

Clinic/Center (Urgent Care)

1880 E TANGERINE RD STE 100
ORO VALLEY, AZ 85755

Pima County (520) 900-7006

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 Diana Olivas's NPI number?

The NPI number for Diana Olivas is 1811284276. It was assigned to this individual provider in the NPPES registry on July 6, 2011.

Where is Diana Olivas located?

Diana Olivas practices at 1880 E Tangerine Rd Ste 100, Oro Valley, AZ 85755. The listed phone number is (520) 900-7006.

What is Diana Olivas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Olivas enrolled in Medicare?

Yes. Diana Olivas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Diana Olivas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Olivas reassigns Medicare benefits to 2 organizations: Southern Arizona Urgent Care, LLC (Oro Valley, AZ) and Carbon Health Medical Group Of California PC (Pasadena, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diana Olivas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Olivas accept?

Health plans from Imperial Insurance Companies, Inc. list Diana Olivas 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.

When was this NPI record last updated?

The NPPES record for Diana Olivas was last updated on August 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.