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John Walker
NPI 1407876709 · Nephrology Physician · New Brunswick, NJ
John Walker is a Nephrology Physician provider in New Brunswick, NJ (NPI 1407876709).
Provider details
- NPI number
- 1407876709
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MA39207 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
125 Paterson St
Suite 5100b
New Brunswick, NJ 08901-1962
Phone: (732) 235-6512
Fax: (732) 235-6124
Street-level locationGet directions
Mailing address
66 West Gilbert St
Red Bank, NJ 07701
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2011-09-20
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1407876709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 125 Paterson St, New Brunswick, NJ 08901-1962.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (732) 235-6512.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1407876709) is active in the NPPES registry as of the last update on 2011-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.