Diego Valenzuela, MD
NPI 1609526987 · Nephrology Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Valenzuela, MD is a Nephrology Physician provider in Chicago, IL (NPI 1609526987).
Provider details
- NPI number
- 1609526987
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1609526987 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
100% 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
- 2022-03-28
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Diego Valenzuela's NPI number?
- Diego Valenzuela's National Provider Identifier (NPI) is 1609526987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Valenzuela's specialty?
- Diego Valenzuela is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Diego Valenzuela located?
- Diego Valenzuela's practice location on file with NPPES is 5841 S. Maryland Ave., Chicago, IL 60637-1443.
- What is Diego Valenzuela's phone number?
- The practice phone number listed in the NPPES registry for Diego Valenzuela is (773) 702-3630.
- Does Diego Valenzuela accept Medicare?
- Diego Valenzuela is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Valenzuela's NPI active?
- Yes — Diego Valenzuela's NPI (1609526987) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.