Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Phenton Travis Harker, MD

Individual provider Public Health & General Preventive Medicine Physician · NPI 1629148911

Phenton Travis Harker, MD is a Family Practice in Portsmouth, New Hampshire. Graduated from Ohio State University College of Medicine in 2001, 25 years ago. Practices with Appledore Medical Group Inc, a 198-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Hampshire.

Years since qualifying
25
Trained at
Ohio State University College of Medicine
Licensed in
NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

25 New Hampshire Ave Ste 100
Portsmouth, NH 03801
Phone: (603) 431-2516
Fax: (603) 228-7307
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Public Health & General Preventive Medicine Physician (primary) Taxonomy 2083P0901X · Licence 13320 (NH)
Family Medicine Physician Taxonomy 207Q00000X · Licence 13320 (NH)

Record details

NPI number1629148911
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesPREVENTIVE MEDICINE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Appledore Medical Group Inc — 198 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Portsmouth