Hiram A. Rivera Padilla, MD
Internal Medicine Physician · Maricopa, AZ
Hiram A. Rivera Padilla, MD is an internal medicine physician with a practice address in Maricopa, Arizona, and NPI 1851392302, issued on Aug 9, 2005. Check the license (Arizona 45664, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hiram A. Rivera Padilla
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 45664 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 17900 N Porter RD, Maricopa, AZ 85138
- Phone
- (520) 233-2500
- Enumerated
- Aug 9, 2005
- Record last updated
- Mar 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (520) 233-2574
- Medicaid ID
- 694657 AZ
- Medicare enrollment
- Enrolled (PECOS I20120523000363); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 17900 N Porter RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Buckwalter, FNP-BCFamily Nurse Practitioner1063512184
- Jiaxi Dong, DOInternal Medicine Physician1801359385
- Olivia Fleming, MDFamily Medicine Physician1922668938
- Nurul Hariadi, MDPediatrics Physician1881875037
- Rachel Hutzler, FNPFamily Nurse Practitioner1760817050
- David Lar, MDPediatrics Physician1962636845
Verify Hiram A. Rivera Padilla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 45664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,459 Medicare Part D claims for 843 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 17 claims were for opioids.
Most prescribed
- Atorvastatin Calcium673 claims
- Levothyroxine Sodium506 claims
- Amlodipine Besylate468 claims
- Lisinopril398 claims
- Losartan Potassium329 claims
- Pantoprazole Sodium314 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.
Bills Medicare through one group practice
- Banner Primary Care Physicians Arizona LLCMaricopa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hiram A. Rivera Padilla among 2,853 internal medicine physician records in Arizona
Hiram A. Rivera Padilla, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1991 · median 2003 among the 1,643 with a school on file
- Record last updated2013 · 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 Maricopa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jiaxi Dong, DOMaricopa, AZ 851381801359385
- Joel Goldstone, MDSan Tan Valley, AZ 851401891744231
- Rahul Kumar, MD, MBBSSan Tan Valley, AZ 851401497910186
- Michael Oconnor, M.D.San Tan Valley, AZ 851401851569578
- Mario Skobic, MDSan Tan Valley, AZ 851401609858851
- Shanaya Suchak, D.OSan Tan Valley, AZ 851401316367121
- Christopher Biggs, DOQueen Creek, AZ 851421134862600
- Philip Bryson, MDQueen Creek, AZ 851421366816175
Common questions
What is Hiram A. Rivera Padilla, MD's NPI number?
Hiram A. Rivera Padilla, MD's National Provider Identifier (NPI) is 1851392302, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hiram A. Rivera Padilla, MD located?
The NPPES record lists a practice address at 17900 N Porter RD, Maricopa, AZ, 85138. Phone: (520) 233-2500. Providers update this record themselves, so call before visiting.
How can I verify Hiram A. Rivera Padilla, MD's license?
NPPES lists Arizona license number 45664, 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 Hiram A. Rivera Padilla, MD prescribe under Medicare Part D?
In 2024, Hiram A. Rivera Padilla, MD had 9,459 Medicare Part D claims for 843 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.