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

Xiaonan Richard Sun, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1295121259

Xiaonan Richard Sun, MD, PHD is a Neurosurgery in Lebanon, New Hampshire. Qualified in 2015, 11 years ago. Practices with Dartmouth-Hitchcock Clinic, a 1,430-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California, New Hampshire and Oregon.

Years since qualifying
11
Licensed in
CA, NH, OR
In the registry since
2015
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Lebanon, NH
Fax: (603) 640-1228

Additional practice locations (2)

  • 300 Stein Plaza Suite 420, Los Angeles, CA 90095-3142 — (310) 825-5111
  • 1208 City Pl, Edgewater, NJ 07020-3142 — (609) 903-9786

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 31001 (NH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Neurological Surgery Physician Taxonomy 207T00000X · Licence MD219093 (OR)
Neurological Surgery Physician Taxonomy 207T00000X · Licence A176146 (CA)

Record details

NPI number1295121259
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 7, 2015
Last updated in NPPESDecember 16, 2025
Certification dateDecember 16, 2025

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Dartmouth-Hitchcock Clinic — 1430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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