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- NPI Number
- 1336361450
- Provider Type
- Individual Practitioner
- Credential
- MD
- Primary Specialty
- Pediatrics - Adolescent Medicine
- License Number
- 25MA03500400
- Practice Address
- Princeton University Health Services
- City, State ZIP
- Princeton, NJ 08544
- Phone
- (609) 258-3141
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Peter Johnsen, MD is a pediatrics - adolescent medicine provider located in Princeton, NJ. They offer pediatrics - adolescent medicine services to patients in the Princeton area.
As a pediatrics - adolescent medicine provider in Princeton, this clinician evaluates and treats patients for a range of common conditions seen in Princeton and throughout NJ.
The practice is located at Princeton University Health Services, Princeton, NJ 08544. Patients can call 6092583141 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for common reasons for pediatric visits include well-child checkups, vaccinations, developmental assessments, treatment of common childhood illnesses, and behavioral or school-related concerns.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in NJ.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to pediatrics - adolescent medicine care in Princeton, NJ.
What a Pediatrics - Adolescent Medicine provider does
Pediatric providers specialize in the health and medical care of infants, children, and adolescents. They monitor growth and development, administer vaccinations, and treat acute and chronic childhood illnesses.
Common conditions treated
Common conditions include ear infections, strep throat, RSV and other respiratory viruses, asthma, eczema, ADHD, childhood obesity, and behavioral concerns. Pediatric providers also treat minor injuries and provide developmental screenings.
Common reasons to schedule a visit
Common reasons for pediatric visits include well-child checkups, vaccinations, developmental assessments, treatment of common childhood illnesses, and behavioral or school-related concerns.
What to expect during a visit
Well-child visits track growth, milestones, and immunizations on a recommended schedule. Bring questions about feeding, sleep, behavior, or development to each appointment.
Insurance coverage considerations
Pediatric care is typically covered under family or child-only health plans, often with no-cost preventive services. Compare plans in your state to find affordable coverage for your child.
How to choose the right pediatrics - adolescent medicine provider in Princeton
Look for a pediatric provider with a child-friendly office, after-hours phone support, and same-day sick visits when possible. The right pediatrician will partner with parents and answer questions patiently through every stage of development.
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Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also use our quote tool to find health plans in NJ.
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Common questions about Peter Johnsen, MD in Princeton, NJ.
How do I make an appointment with Peter Johnsen, MD?
Call Peter Johnsen, MD directly at their Princeton office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Peter Johnsen, MD accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also use our quote tool to find health plans in NJ.
What are the office hours for Peter Johnsen, MD in Princeton?
Office hours for Peter Johnsen, MD in Princeton are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Peter Johnsen, MD's Princeton location?
Most provider offices in Princeton offer on-site or nearby street parking. Call Peter Johnsen, MD in Princeton ahead of time to confirm parking options and accessibility accommodations.
Does Peter Johnsen, MD offer telehealth?
Many pediatrics - adolescent medicine providers in NJ now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Peter Johnsen, MD to ask whether a telehealth visit is appropriate for your needs.
What ages of patients does Peter Johnsen, MD see?
Pediatric providers typically see patients from newborns through age 18. Call Peter Johnsen, MD in Princeton to confirm the age range currently accepted.
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Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Last updated June 8, 2026.