John Wagner, MD, MBA
NPI 1033262340 · Nephrology Physician · Brooklyn, NY
Enrolled with Medicare as Order and Referring Only - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wagner, MD, MBA is a Nephrology Physician provider in Brooklyn, NY (NPI 1033262340).
Provider details
- NPI number
- 1033262340
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MBA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 140277 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-19
- Last updated
- 2014-03-23
Frequently asked questions
- What is John Wagner's NPI number?
- John Wagner's National Provider Identifier (NPI) is 1033262340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wagner's specialty?
- John Wagner is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Wagner located?
- John Wagner's practice location on file with NPPES is 451 Clarkson Ave Rm B-1147, Brooklyn, NY 11203-2054.
- What is John Wagner's phone number?
- The practice phone number listed in the NPPES registry for John Wagner is (718) 245-3921.
- Does John Wagner accept Medicare?
- John Wagner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wagner's NPI active?
- Yes — John Wagner's NPI (1033262340) is active in the NPPES registry as of the last update on 2014-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.