John Riefler, M.D.
NPI 1003171299 · Infectious Disease Physician · Ridgewood, NJ
John Riefler, M.D. is a Infectious Disease Physician provider in Ridgewood, NJ (NPI 1003171299).
Provider details
- NPI number
- 1003171299
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 61886 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-07-12
- Last updated
- 2012-07-12
Frequently asked questions
- What is John Riefler's NPI number?
- John Riefler's National Provider Identifier (NPI) is 1003171299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Riefler's specialty?
- John Riefler is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Riefler located?
- John Riefler's practice location on file with NPPES is 423 Colwell Ct, Ridgewood, NJ 07450-1407.
- What is John Riefler's phone number?
- The practice phone number listed in the NPPES registry for John Riefler is (201) 652-3405.
- Is John Riefler's NPI active?
- Yes — John Riefler's NPI (1003171299) is active in the NPPES registry as of the last update on 2012-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.