Ana Maria Sierra De Aragon, M.D.
Internal Medicine Physician · Gilbert, AZ
Ana Maria Sierra De Aragon, M.D. is an internal medicine physician with a practice address in Gilbert, Arizona, and NPI 1306070750, issued on May 13, 2009. Check the license (Arizona 41648, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ana Maria Sierra De Aragon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 41648 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3303 E Baseline RD Ste 203, Gilbert, AZ 85234
- Phone
- (480) 300-5388
- Enumerated
- May 13, 2009
- Record last updated
- Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091013000238); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 3303 E Baseline RD Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Aragon, BSNutrition Education Nutritionist1942869664
- Jessica Diaz, FNP-CNurse Practitioner1598484917
- Jesmina ShresthaFamily Nurse Practitioner1760855670
Verify Ana Maria Sierra De Aragon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 41648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average internal medicine physician in 2024
6,149 Medicare Part D claims for 406 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 51 claims were for opioids.
Most prescribed
- Levothyroxine Sodium285 claims
- Rosuvastatin Calcium245 claims
- Atorvastatin Calcium208 claims
- Amlodipine Besylate197 claims
- Losartan Potassium145 claims
- Metoprolol Succinate142 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.
Industry payments in 2024: $577.58
26 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Ana M Sierra DE Aragon MDGilbert, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Maria Sierra De Aragon among 2,853 internal medicine physician records in Arizona
Ana Maria Sierra De Aragon, M.D. is one of 2,853 internal 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1988 · median 2003 among the 1,643 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Arizona
There are 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Gilbert → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marjorie Bessel, MDGilbert, AZ 852341710002068
- Shefali Birdi, MDGilbert, AZ 852341871798488
- Jordan Coulston, M.DGilbert, AZ 852341487850004
- Prathab Devaraj, MDGilbert, AZ 852341073778064
- David Edwards, MDGilbert, AZ 852341871618710
- Brian Gallman, D.O.Gilbert, AZ 852341639106438
- Attie Bile Marilyne Hepie, M.D.Gilbert, AZ 852341285963322
- Sandra Levitt, MDGilbert, AZ 852341225224660
Common questions
What is Ana Maria Sierra De Aragon, M.D.'s NPI number?
Ana Maria Sierra De Aragon, M.D.'s National Provider Identifier (NPI) is 1306070750, issued on May 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ana Maria Sierra De Aragon, M.D. located?
The NPPES record lists a practice address at 3303 E Baseline RD Ste 203, Gilbert, AZ, 85234. Phone: (480) 300-5388. Providers update this record themselves, so call before visiting.
How can I verify Ana Maria Sierra De Aragon, M.D.'s license?
NPPES lists Arizona license number 41648, 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 Ana Maria Sierra De Aragon, M.D. prescribe under Medicare Part D?
In 2024, Ana Maria Sierra De Aragon, M.D. had 6,149 Medicare Part D claims for 406 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.