Ralph Mendez, MD
NPI 1134861479 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Mendez, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1134861479).
Provider details
- NPI number
- 1134861479
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-07
- Last updated
- 2025-05-30
- Certified
- 2025-05-30
Frequently asked questions
- What is Ralph Mendez's NPI number?
- Ralph Mendez's National Provider Identifier (NPI) is 1134861479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Mendez's specialty?
- Ralph Mendez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Mendez located?
- Ralph Mendez's practice location on file with NPPES is 1300 N 12th St, Phoenix, AZ 85006-2849.
- What is Ralph Mendez's phone number?
- The practice phone number listed in the NPPES registry for Ralph Mendez is (602) 839-3927.
- Does Ralph Mendez accept Medicare?
- Ralph Mendez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Mendez's NPI active?
- Yes — Ralph Mendez's NPI (1134861479) is active in the NPPES registry as of the last update on 2025-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.