Bart Matthew Diaz, D.O.
Family Medicine Physician · Douglas, AZ
Bart Matthew Diaz, D.O. is a family medicine physician with a practice address in Douglas, Arizona, and NPI 1366556706, issued on Aug 19, 2006. Check the license (Arizona 007912, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Bart Matthew Diaz
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 007912 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 155 Calle Portal Suite 300, Douglas, AZ 85607
- Phone
- (520) 459-3011
- Enumerated
- Aug 19, 2006
- Record last updated
- Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (520) 364-4261
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify Bart Matthew Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007912Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family medicine physician in 2024
819 Medicare Part D claims for 163 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa41 claims
- Amlodipine Besylate41 claims
- Atorvastatin Calcium40 claims
- Losartan Potassium34 claims
- Rosuvastatin Calcium32 claims
- Hydrochlorothiazide29 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.
Bart Matthew Diaz among 3,119 family medicine physician records in Arizona
Bart Matthew Diaz, D.O. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2021 · 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).
8 family medicine physician records list a practice address in Douglas
They are 8 of the 131 NPPES records with a practice address in Douglas, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Douglas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anne Flint, MDDouglas, AZ 856071316056229
- Gloria Garcia-Mariscal, M.D.Douglas, AZ 856071417989591
- Jill Hamilton, N.P.Douglas, AZ 856071922044577
- Mario Moreno, ANPDouglas, AZ 856071720042385
- Alfred Wu, MDDouglas, AZ 856071558386003
- Patricia Wu, MDDouglas, AZ 856071669901211
- Jamie Wu, DNP, FNP-CDouglas, AZ 856071790452399
- Wayne Martin, MDCochise, AZ 856061104867621
Common questions
What is Bart Matthew Diaz, D.O.'s NPI number?
Bart Matthew Diaz, D.O.'s National Provider Identifier (NPI) is 1366556706, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bart Matthew Diaz, D.O. located?
The NPPES record lists a practice address at 155 Calle Portal Suite 300, Douglas, AZ, 85607. Phone: (520) 459-3011. Providers update this record themselves, so call before visiting.
How can I verify Bart Matthew Diaz, D.O.'s license?
NPPES lists Arizona license number 007912, 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 Bart Matthew Diaz, D.O. prescribe under Medicare Part D?
In 2024, Bart Matthew Diaz, D.O. had 819 Medicare Part D claims for 163 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.