Kristina Marie Diaz, MD
Family Medicine Physician · Yuma, AZ
Kristina Marie Diaz, MD is a family medicine physician with a practice address in Yuma, Arizona, and NPI 1407053556, issued on Jul 2, 2007. Check the license (Arizona 43126, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kristina Marie Diaz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43126 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2500 S 8TH Ave Ste 200, Yuma, AZ 85364
- Phone
- (283) 367-0959
- Enumerated
- Jul 2, 2007
- Record last updated
- Nov 18, 2024
- Fax
- (928) 336-7256
- Medicaid ID
- 534796 AZ
- Medicare enrollment
- Enrolled (PECOS I20101005000190); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 2500 S 8TH Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kristina Marie Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 43126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,463 Medicare Part D claims for 113 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Levothyroxine Sodium102 claims
- Atorvastatin Calcium80 claims
- Losartan Potassium76 claims
- Simvastatin56 claims
- Amlodipine Besylate49 claims
- Metformin Hcl44 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13.30
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kristina Marie Diaz among 3,119 family medicine physician records in Arizona
Kristina Marie Diaz, MD 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2006 among the 1,775 with a school on file
- Record last updated2024 · 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).
69 family medicine physician records list a practice address in Yuma
They are 69 of the 1,821 NPPES records with a practice address in Yuma, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Yuma → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Anderson, MDYuma, AZ 853641518955053
- Rick Clark, DOYuma, AZ 853641265520977
- Adelbert Evangelista, MDYuma, AZ 853641629018619
- Mitch Freeman, M.D.Yuma, AZ 853641164459434
- Ismael Guerrero, M.D.Yuma, AZ 853641518053503
- David Hoovestol, M.D.Yuma, AZ 853641437183993
- Lorena Jauregui-Covarrubias, MDYuma, AZ 853641861442741
- Chieh Lin, M.D.Yuma, AZ 853641851486161
Common questions
What is Kristina Marie Diaz, MD's NPI number?
Kristina Marie Diaz, MD's National Provider Identifier (NPI) is 1407053556, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kristina Marie Diaz, MD located?
The NPPES record lists a practice address at 2500 S 8TH Ave Ste 200, Yuma, AZ, 85364. Phone: (283) 367-0959. Providers update this record themselves, so call before visiting.
How can I verify Kristina Marie Diaz, MD's license?
NPPES lists Arizona license number 43126, 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 Kristina Marie Diaz, MD prescribe under Medicare Part D?
In 2024, Kristina Marie Diaz, MD had 1,463 Medicare Part D claims for 113 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Kristina Marie Diaz, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.