NPPES file of Aug 9, 2026

Bernadette Elda Quihuis, D.O.

Internal Medicine Physician · Tucson, AZ

Bernadette Elda Quihuis, D.O. is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1073757993, issued on Apr 22, 2009. Check the license (Arizona 05191, 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
1073757993
Name
Bernadette Elda Quihuis
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
05191 AZ
R1541 AZ
Self-reported in NPPES; status is on the state search
Practice location
1500 W. Commerce Court Bldng #2, Tucson, AZ 85746
Phone
(520) 670-3909
Enumerated
Apr 22, 2009
Record last updated
Mar 25, 2025
Fax
(520) 309-2560
Medicare enrollment
Enrolled (PECOS I20120106000817); accepts Medicare assignment
Medical or professional school
Rutgers School Of Dental Medicine, 2007
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 Bernadette Elda Quihuis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 05191
    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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64% more Medicare Part D claims than the average internal medicine physician in 2024

5,224 Medicare Part D claims for 409 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 71 claims were for opioids.

  1. Bernadette Quihuis5,224
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium532 claims
  2. Lisinopril293 claims
  3. Amlodipine Besylate233 claims
  4. Levothyroxine Sodium199 claims
  5. Metformin Hcl196 claims
  6. Losartan Potassium187 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.

Bills Medicare through one group practice

  1. EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bernadette Elda Quihuis among 2,853 internal medicine physician records in Arizona

Bernadette Elda Quihuis, D.O. is one of 2,853 internal 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 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2007 · median 2003 among the 1,643 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

651 internal medicine physician records list a practice address in Tucson

They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Charles Bridges, M.D.Tucson, AZ 857461730269705
  2. Zeenat Chowdhury-Jackson, M.D.Tucson, AZ 857461053491050
  3. Edward Mulligan, MDTucson, AZ 857461881060283
  4. Lisa Soltani, MDTucson, AZ 857461114999877
  5. Selamawit Tesema, MDTucson, AZ 857461043876964
  6. Abdulla Alabagi, MDTucson, AZ 857451982286456
  7. James Belitsos, MDTucson, AZ 857451942217914
  8. Catherine Compton, DOTucson, AZ 857451457883415

Common questions

What is Bernadette Elda Quihuis, D.O.'s NPI number?

Bernadette Elda Quihuis, D.O.'s National Provider Identifier (NPI) is 1073757993, issued on Apr 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Bernadette Elda Quihuis, D.O. located?

The NPPES record lists a practice address at 1500 W. Commerce Court Bldng #2, Tucson, AZ, 85746. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.

How can I verify Bernadette Elda Quihuis, D.O.'s license?

NPPES lists Arizona license number 05191, 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 Bernadette Elda Quihuis, D.O. prescribe under Medicare Part D?

In 2024, Bernadette Elda Quihuis, D.O. had 5,224 Medicare Part D claims for 409 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.