James Felser, M.D.
NPI 1821335043 · Infectious Disease Physician · East Hanover, NJ
James Felser, M.D. is a Infectious Disease Physician provider in East Hanover, NJ (NPI 1821335043).
Provider details
- NPI number
- 1821335043
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G44175 (CA)
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
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
- 2013-01-08
- Last updated
- 2013-01-08
Frequently asked questions
- What is James Felser's NPI number?
- James Felser's National Provider Identifier (NPI) is 1821335043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Felser's specialty?
- James Felser is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Felser located?
- James Felser's practice location on file with NPPES is 1 Health Plz, East Hanover, NJ 07936-1016.
- What is James Felser's phone number?
- The practice phone number listed in the NPPES registry for James Felser is (862) 778-7565.
- Is James Felser's NPI active?
- Yes — James Felser's NPI (1821335043) is active in the NPPES registry as of the last update on 2013-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.