NPPES file of Aug 9, 2026

Alexandra Diaz, MD

Family Medicine Physician · Centerville, OH

Alexandra Diaz, MD is a family medicine physician with a practice address in Centerville, Ohio, and NPI 1124656111, issued on Mar 27, 2020. Check the license (Ohio 35.148793, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124656111
Name
Alexandra Diaz
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
35.148793 OH
Self-reported in NPPES; status is on the state search
Practice location
2350 Miami Valley Dr Ste 530, Centerville, OH 45459
Phone
(937) 435-3546
Enumerated
Mar 27, 2020
Record last updated
Sep 13, 2023
Medicare enrollment
Enrolled (PECOS I20230926001819); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
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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Also registered at 2350 Miami Valley Dr Ste 530

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leslie Holtke, CNPFamily Nurse Practitioner1316005770

Verify Alexandra Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.148793
    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 Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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

996 Medicare Part D claims for 210 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Alexandra Diaz996
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium66 claims
  2. Amlodipine Besylate48 claims
  3. Levothyroxine Sodium48 claims
  4. Losartan Potassium48 claims
  5. Meloxicam27 claims
  6. Omeprazole27 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): 85 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.

  1. Qualityout of 100 · 30% of the final score80.7
  2. Costout of 100 · 30%69.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mvhe IncCenterville, OH

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

Alexandra Diaz among 5,606 family medicine physician records in Ohio

Alexandra Diaz, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2005 among the 3,510 with a school on file
  • Record last updated2023 · 58% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 family medicine physician records list a practice address in Centerville

They are 38 of the 1,015 NPPES records with a practice address in Centerville, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Morris Brown, MDCenterville, OH 454591184608267
  2. Jolinda Caswell, MDWashington Township, OH 454591508822784
  3. Carrol Estep, MDDayton, OH 454591639134448
  4. Barry Fisher, MDDayton, OH 454591184617409
  5. Jeffrey Gleick, MDCenterville, OH 454591760487599
  6. Mark Jeffries, DOCenterville, OH 454591568458040
  7. Edward Kinkopf, D.O.Centerville, OH 454591932101151
  8. Anthony Lugo, M.D.Centerville, OH 454591184626368

Common questions

What is Alexandra Diaz, MD's NPI number?

Alexandra Diaz, MD's National Provider Identifier (NPI) is 1124656111, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Diaz, MD located?

The NPPES record lists a practice address at 2350 Miami Valley Dr Ste 530, Centerville, OH, 45459. Phone: (937) 435-3546. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Diaz, MD's license?

NPPES lists Ohio license number 35.148793, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alexandra Diaz, MD prescribe under Medicare Part D?

In 2024, Alexandra Diaz, MD had 996 Medicare Part D claims for 210 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Alexandra Diaz, MD's MIPS final score?

The 2023 MIPS final score is 85 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.