NPPES file of Aug 9, 2026

Claudia Carolina Diaz, M.D.

Obstetrics & Gynecology Physician · Chinle, AZ

Claudia Carolina Diaz, M.D. is an obstetrics & gynecology physician with a practice address in Chinle, Arizona, and NPI 1619210606, issued on Mar 28, 2013. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619210606
Name
Claudia Carolina Diaz
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
133569 CA
Self-reported in NPPES; status is on the state search
Practice location
Highway 191 And Hospital Road, Chinle, AZ 86503
Phone
(928) 674-7166
Enumerated
Mar 28, 2013
Record last updated
Jul 21, 2022
Fax
(928) 674-7705
Medicare enrollment
Enrolled (PECOS I20171102002784); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2013
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 Highway 191 And Hospital Road

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

  1. Jenna Carlson, RDMNRegistered Dietitian1902356785
  2. Joel Causey, ODOptometrist1326472291
  3. Daniel Conrad, MDChild & Adolescent Psychiatry Physician1730177700
  4. Mahnan Darban, PT, DPTPhysical Therapist1174953319
  5. Ruth Dell, OTOccupational Therapist1366779407
  6. Lizzette Enriquez-Lespron, RDRegistered Dietitian1497206072

Verify Claudia Carolina Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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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50% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

83 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Claudia Diaz83
  2. Specialty average165

Most prescribed

  1. Premarin27 claims
  2. Fluconazole11 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): 84.2 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 score64.9
  2. Costout of 100 · 30%67.6
  3. Promoting interoperabilityout of 100 · 25%98.0
  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. Dhhs Phs Naihs Chinle Comprehensive Health Care FacilityChinle, AZ

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

4 obstetrics & gynecology physician records list a practice address in Chinle

They are 4 of the 238 NPPES records with a practice address in Chinle, and 803 obstetrics & gynecology physician records in Arizona.

Other obstetrics & gynecology physician records in Arizona

  1. Michelle Abbate, MDTucson, AZ1184111940
  2. Judith Adams, MDGilbert, AZ1457644759
  3. Julie Adams, DOChandler, AZ1285607333
  4. Karen Adams, MDPhoenix, AZ1023192333
  5. Andrew Adamson, DOMesa, AZ1124330220
  6. Elana Addis, M.DTucson, AZ1730150582
  7. Eugene Adel, M.D.Mesa, AZ1609301621
  8. Oluwatoyosi Adeoye, MDPhoenix, AZ1316679921
  9. Nicole Afuape, M.D.Phoenix, AZ1912391210
  10. Farshad Agahi, M.D.Phoenix, AZ1386886430

Common questions

What is Claudia Carolina Diaz, M.D.'s NPI number?

Claudia Carolina Diaz, M.D.'s National Provider Identifier (NPI) is 1619210606, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Carolina Diaz, M.D. located?

The NPPES record lists a practice address at Highway 191 And Hospital Road, Chinle, AZ, 86503. Phone: (928) 674-7166. Providers update this record themselves, so call before visiting.

How can I verify Claudia Carolina Diaz, M.D.'s license?

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 Claudia Carolina Diaz, M.D. prescribe under Medicare Part D?

In 2024, Claudia Carolina Diaz, M.D. had 83 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Claudia Carolina Diaz, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.2 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.