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

Joseph An, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1144512450

Joseph An, DO is a Hematology/Oncology in Portsmouth, Virginia. Qualified in 2011, 15 years ago. Practices with West Virginia University Medical Corporation, a 1,981-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
15
Licensed in
CA
In the registry since
2011
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

620 John Paul Jones Cir
Portsmouth, VA 23708-2111
Phone: (757) 953-1043
Fax: (757) 953-1036
Show map & directions

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

Additional practice locations (1)

  • 4494 North Palmer Road, Bethesda, MD 20889-0140 — (818) 355-9798

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 20A12547 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1144512450
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 4, 2011
Last updated in NPPESJune 13, 2022
Certification dateJune 13, 2022
Mailing address2005 Beringer Rd Apt 103, Suffolk, VA 23435-0148

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice West Virginia University Medical Corporation — 1981 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Portsmouth