JOSIAH AN M.D. – NPI #1053791517
Internal Medicine

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Health Care Provider Taxonomy Code for Internal Medicine

JOSIAH AN is a physician located in WINSTON-SALEM, NC. NPPES has assigned the NPI number 1053791517 to JOSIAH AN on May 31, 2015. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI data, there are 2 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RH0003X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Hematology & Oncology Keep in mind, having a taxonomy code selected doesn't replace any credentialing or validation process that may be required by law.

The NPI profile was last updated on Dec 17, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for JOSIAH AN below.

NPI Profile for
JOSIAH AN

NPI Number
1053791517
Enumeration Date

(more than 11 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
JOSIAH AN
Credentials
M.D.
Primary location
3333 SILAS CREEK PKWY
WINSTON-SALEM, NC 27103-3013
Phone: (336) 277-8800 Fax: (336) 277-8850
2 Other location(s):
200 Hawkins Dr
Dept of Internal Medicine
Iowa City, IA 52242-1009
Phone: (319) 384-9668
Fax: (319) 384-8955
201 16th Ave E
Seattle, WA 98112-5226
Phone: (206) 326-3111
Fax: (877) 515-2975
Mailing address
PO BOX 60516
CHARLOTTE, NC 28260-0516
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Dec 17, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RH0003X
- Internal Medicine / Hematology & Oncology (Primary)		 IA R10218
207RP1001X
- Internal Medicine / Pulmonary Disease		 IA R10218
207RG0100X
- Internal Medicine / Gastroenterology		 IA R10218
207RC0000X
- Internal Medicine / Cardiovascular Disease		 IA R10218
207R00000X
- Internal Medicine		 IA R10218

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
https://careepicwa.kp.org:14430/Interconnect-CE-PRD/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq
Endpoint type
SOAP URL
Endpoint Description
CAREQUALITY
Content Type
OTHER
Affiliation
N
Endpoint Location
201 16TH AVE E,
SEATTLE, WA 77025-1669
Endpoint
https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq
Endpoint type
SOAP URL
Endpoint Description
CAREQUALITY
Content Type
OTHER
Affiliation
Y
Endpoint Location
9333 IMPERIAL HWY,
DOWNEY, CA 77025-1669

Additional Information

Education
SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE - Graduated 2015
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
JOSIAH AN is affiliated with the following medical group(s):
  • HOSPITAL
    • NOVANT HEALTH FORSYTH MEDICAL CENTER
      3333 SILAS CREEK PARKWAY
      WINSTON-SALEM, NC 27103
    • NOVANT HEALTH THOMASVILLE MEDICAL CENTER
      207 OLD LEXINGTON RD BOX 789
      THOMASVILLE, NC 27360

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.