Mathew Benjamin, M.D.
Internal Medicine Physician · Mesa, AZ
Mathew Benjamin, M.D. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1699891614, issued on Mar 21, 2007. Check the license (Arizona 29241, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mathew Benjamin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 29241 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 605 N Gilbert RD, Mesa, AZ 85203
- Phone
- (480) 398-1220
- Enumerated
- Mar 21, 2007
- Record last updated
- Mar 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (480) 398-1230
- Medicaid ID
- 711368 AZ
- Medicare enrollment
- Enrolled (PECOS I20040510000330); 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 605 N Gilbert RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Hansen, NP-CFamily Nurse Practitioner1528049731
- Nathan James, LMTMassage Therapist1609143510
- Danyashae Martinez, PMHP-BC, FNP-CFamily Nurse Practitioner1205470598
Verify Mathew Benjamin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 29241Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,875 Medicare Part D claims for 667 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 146 claims were for opioids.
Most prescribed
- Atorvastatin Calcium400 claims
- Amlodipine Besylate274 claims
- Metformin Hcl258 claims
- Losartan Potassium243 claims
- Lisinopril230 claims
- Levothyroxine Sodium219 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: $2,117.70
58 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Phoenician Medical Center IncChandler, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mathew Benjamin among 2,853 internal medicine physician records in Arizona
Mathew Benjamin, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2003 among the 1,643 with a school on file
- Record last updated2016 · 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).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Usma Ahmad, MD MBBSMesa, AZ 852031588824098
- Frank Metzger, D.O.Mesa, AZ 852031669411203
- Lee Pace, M.D.Mesa, AZ 852031790772622
- Donald White, M.D.Mesa, AZ 852031558504357
- William Zipperer, D.O.Mesa, AZ 852031306883335
- Anas Abu Assi, MBBSMesa, AZ 852021881212264
- Slavko Aleksis, DOMesa, AZ 852021124766951
- Brian Andrews, M.DMesa, AZ 852041326127473
Common questions
What is Mathew Benjamin, M.D.'s NPI number?
Mathew Benjamin, M.D.'s National Provider Identifier (NPI) is 1699891614, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mathew Benjamin, M.D. located?
The NPPES record lists a practice address at 605 N Gilbert RD, Mesa, AZ, 85203. Phone: (480) 398-1220. Providers update this record themselves, so call before visiting.
How can I verify Mathew Benjamin, M.D.'s license?
NPPES lists Arizona license number 29241, 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 Mathew Benjamin, M.D. prescribe under Medicare Part D?
In 2024, Mathew Benjamin, M.D. had 7,875 Medicare Part D claims for 667 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.