Ellen Chajson, M.D.
NPI 1164781175 · Internal Medicine Physician · Kendall Park, NJ
Ellen Chajson, M.D. is a Internal Medicine Physician provider in Kendall Park, NJ (NPI 1164781175).
Provider details
- NPI number
- 1164781175
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA05321700 (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
14 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
- 2012-05-10
- Last updated
- 2012-05-10
Frequently asked questions
- What is Ellen Chajson's NPI number?
- Ellen Chajson's National Provider Identifier (NPI) is 1164781175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Chajson's specialty?
- Ellen Chajson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Chajson located?
- Ellen Chajson's practice location on file with NPPES is 114 Eleanor Dr, Kendall Park, NJ 08824-1823.
- What is Ellen Chajson's phone number?
- The practice phone number listed in the NPPES registry for Ellen Chajson is (732) 422-6937.
- Is Ellen Chajson's NPI active?
- Yes — Ellen Chajson's NPI (1164781175) is active in the NPPES registry as of the last update on 2012-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.