Princeton Longevity Medical Grp LLC
NPI 1982809604 · Internal Medicine Physician · Princeton, NJ
Princeton Longevity Medical Grp LLC is a Internal Medicine Physician organization in Princeton, NJ (NPI 1982809604).
Provider details
- NPI number
- 1982809604
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Fein, President(888) 800-0752
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
- 2007-06-21
- Last updated
- 2009-10-06
Frequently asked questions
- What is Princeton Longevity Medical Grp LLC's NPI number?
- Princeton Longevity Medical Grp LLC's National Provider Identifier (NPI) is 1982809604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Princeton Longevity Medical Grp LLC?
- Princeton Longevity Medical Grp LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Princeton Longevity Medical Grp LLC located?
- Princeton Longevity Medical Grp LLC's practice location on file with NPPES is 136 Main St, Princeton, NJ 08540-5735.
- What is Princeton Longevity Medical Grp LLC's phone number?
- The practice phone number listed in the NPPES registry for Princeton Longevity Medical Grp LLC is (888) 800-0752.
- Who is the authorized official for Princeton Longevity Medical Grp LLC?
- The authorized official listed on Princeton Longevity Medical Grp LLC's NPPES record is David Fein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Princeton Longevity Medical Grp LLC's NPI active?
- Yes — Princeton Longevity Medical Grp LLC's NPI (1982809604) is active in the NPPES registry as of the last update on 2009-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.