John Middleton, MD
NPI 1891852489 · Infectious Disease Physician · Old Bridge, NJ
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Middleton, MD is a Infectious Disease Physician provider in Old Bridge, NJ (NPI 1891852489).
Provider details
- NPI number
- 1891852489
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA28183 (NJ)
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
- 2007-01-02
- Last updated
- 2010-05-26
Frequently asked questions
- What is John Middleton's NPI number?
- John Middleton's National Provider Identifier (NPI) is 1891852489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Middleton's specialty?
- John Middleton is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Middleton located?
- John Middleton's practice location on file with NPPES is 3 Hospital Plz, Old Bridge, NJ 08857-3093.
- What is John Middleton's phone number?
- The practice phone number listed in the NPPES registry for John Middleton is (732) 360-2700.
- Does John Middleton accept Medicare?
- John Middleton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Middleton's NPI active?
- Yes — John Middleton's NPI (1891852489) is active in the NPPES registry as of the last update on 2010-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.