NPPES file of Aug 9, 2026

Diana Cristina Olivas, M.D.

Family Medicine Physician · Oro Valley, AZ

Diana Cristina Olivas, M.D. is a family medicine physician with a practice address in Oro Valley, Arizona, and NPI 1811284276, issued on Jul 6, 2011. Check the license (Arizona 49869, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811284276
Name
Diana Cristina Olivas
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
49869 AZ
R72817 AZ
Self-reported in NPPES; status is on the state search
Practice location
1880 E Tangerine RD Ste 100, Oro Valley, AZ 85755
Phone
(520) 900-7006
Enumerated
Jul 6, 2011
Record last updated
Aug 13, 2022
Medicaid ID
9794976 AZ
Medicare enrollment
Enrolled (PECOS I20260120002295); may accept Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Diana Cristina Olivas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 49869
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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72% fewer Medicare Part D claims than the average family medicine physician in 2024

992 Medicare Part D claims for 754 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Diana Olivas992
  2. Specialty average3,544

Most prescribed

  1. Doxycycline Monohydrate135 claims
  2. Cephalexin119 claims
  3. Amoxicillin-Clavulanate Potass96 claims
  4. Sulfamethoxazole-Trimethoprim88 claims
  5. Albuterol Sulfate Hfa69 claims
  6. Prednisone69 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.

Diana Cristina Olivas among 3,119 family medicine physician records in Arizona

Diana Cristina Olivas, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.

  • NPI issued2011 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2011 · median 2006 among the 1,775 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 family medicine physician records list a practice address in Oro Valley

They are 14 of the 542 NPPES records with a practice address in Oro Valley, and 3,119 family medicine physician records in Arizona.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ryan Brenza, D.O.Oro Valley, AZ 857551356331854
  2. Tomas Chavez, D.O.Oro Valley, AZ 857551821480666
  3. Norris Dunevant, M.D.Oro Valley, AZ 857551619911856
  4. Tyson Polley, DOOro Valley, AZ 857551952862146
  5. Robin Rash, M.D.Oro Valley, AZ 857551902847353
  6. Christiane Sanburn, M.D.Oro Valley, AZ 857551518956523
  7. Karen Haas, M.D.Tucson, AZ 857561518115567
  8. Cary Rasof, MDTucson, AZ 857561972253771

Common questions

What is Diana Cristina Olivas, M.D.'s NPI number?

Diana Cristina Olivas, M.D.'s National Provider Identifier (NPI) is 1811284276, issued on Jul 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Diana Cristina Olivas, M.D. located?

The NPPES record lists a practice address at 1880 E Tangerine RD Ste 100, Oro Valley, AZ, 85755. Phone: (520) 900-7006. Providers update this record themselves, so call before visiting.

How can I verify Diana Cristina Olivas, M.D.'s license?

NPPES lists Arizona license number 49869, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Diana Cristina Olivas, M.D. prescribe under Medicare Part D?

In 2024, Diana Cristina Olivas, M.D. had 992 Medicare Part D claims for 754 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.