Peter Johnsen, MD
NPI 1336361450 · Pediatric Adolescent Medicine Physician · Princeton, NJ
Peter Johnsen, MD is a Pediatric Adolescent Medicine Physician provider in Princeton, NJ (NPI 1336361450).
Provider details
- NPI number
- 1336361450
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA03500400 (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
- 2007-05-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Peter Johnsen's NPI number?
- Peter Johnsen's National Provider Identifier (NPI) is 1336361450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Johnsen's specialty?
- Peter Johnsen is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Johnsen located?
- Peter Johnsen's practice location on file with NPPES is Princeton University Health Services, Princeton, NJ 08544-0001.
- What is Peter Johnsen's phone number?
- The practice phone number listed in the NPPES registry for Peter Johnsen is (609) 258-3141.
- Is Peter Johnsen's NPI active?
- Yes — Peter Johnsen's NPI (1336361450) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.