Ralph Patrick Mendez, MD
Internal Medicine Physician · Phoenix, AZ
Ralph Patrick Mendez, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1134861479, issued on Apr 7, 2022. Check the license (Arizona 76750, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ralph Patrick Mendez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 76750 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N 12TH St, Phoenix, AZ 85006
- Phone
- (602) 839-3927
- Enumerated
- Apr 7, 2022
- Record last updated
- May 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20250611001559); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1300 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ralph Patrick Mendez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 76750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 2 group practices
- Banner - University Hospital Based Physicians LLCPhoenix, AZ
- Banner - University Primary Care Physicians LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph Patrick Mendez among 2,853 internal medicine physician records in Arizona
Ralph Patrick Mendez, 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ricardo Celaya, M.D.Phoenix, AZ 850061861476095
- Lynn Crocker, D.O.Phoenix, AZ 850061558357947
- Charles David, D.O.Phoenix, AZ 850061669447652
- Lorna Honan, MDPhoenix, AZ 850061154395531
- Holger Kranich, M.D.Phoenix, AZ 850061780660266
- Marc Lee, MDPhoenix, AZ 850061962498709
- Stephen Leshin, M.D.Phoenix, AZ 850061396742771
- Anita Murcko, M.D.Phoenix, AZ 850061477558757
Common questions
What is Ralph Patrick Mendez, MD's NPI number?
Ralph Patrick Mendez, MD's National Provider Identifier (NPI) is 1134861479, issued on Apr 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Patrick Mendez, MD located?
The NPPES record lists a practice address at 1300 N 12TH St, Phoenix, AZ, 85006. Phone: (602) 839-3927. Providers update this record themselves, so call before visiting.
How can I verify Ralph Patrick Mendez, MD's license?
NPPES lists Arizona license number 76750, 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 Ralph Patrick Mendez, MD prescribe under Medicare Part D?
In 2024, Ralph Patrick Mendez, MD had 14 Medicare Part D claims; 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.