Andrew Maestas, MD
Internal Medicine Physician · Holbrook, AZ
Andrew Maestas, MD is an internal medicine physician with a practice address in Holbrook, Arizona, and NPI 1659563773, issued on Aug 13, 2007. Check the license (Arizona 21878, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Maestas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21878 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 500 E Iowa St, Holbrook, AZ 86025
- Phone
- (928) 524-3913
- Enumerated
- Aug 13, 2007
- Record last updated
- Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 149585 AZ
- Medicare enrollment
- Enrolled (PECOS I20050927001431); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1982
- Entity
- Type 1 · individual
Verify Andrew Maestas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 21878Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
432 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 45 claims were for opioids.
Most prescribed
- Hydrochlorothiazide51 claims
- Hydrocodone-Acetaminophen30 claims
- Lantus22 claims
- Furosemide20 claims
- Levothyroxine Sodium19 claims
- Carvedilol18 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.
1 internal medicine physician records list a practice address in Holbrook
They are 1 of the 60 NPPES records with a practice address in Holbrook, and 2,853 internal medicine physician records in Arizona.
Other internal medicine physician records in Arizona
- Daniel Aaronson, MDTucson, AZ1134865355
- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Andrew Maestas, MD's NPI number?
Andrew Maestas, MD's National Provider Identifier (NPI) is 1659563773, issued on Aug 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Maestas, MD located?
The NPPES record lists a practice address at 500 E Iowa St, Holbrook, AZ, 86025. Phone: (928) 524-3913. Providers update this record themselves, so call before visiting.
How can I verify Andrew Maestas, MD's license?
NPPES lists Arizona license number 21878, 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 Andrew Maestas, MD prescribe under Medicare Part D?
In 2024, Andrew Maestas, MD had 432 Medicare Part D claims for 25 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.