WILLIAM F. ERGEN M.D. – NPI #1710249529
Internal Medicine

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Health Care Provider Taxonomy Code for Internal Medicine

WILLIAM ERGEN is a physician located in KNOXVILLE, TN. NPPES has assigned the NPI number 1710249529 to WILLIAM ERGEN on June 08, 2012. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology

The NPI profile was last updated on Apr 10, 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 WILLIAM ERGEN below.

NPI Profile for
WILLIAM F. ERGEN

NPI Number
1710249529
Enumeration Date

(more than 14 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM F. ERGEN
Credentials
M.D.
Primary location
1311 DOWELL SPRINGS BLVD
KNOXVILLE, TN 37909-2454
Phone: (865) 588-5121 Fax:
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Apr 10, 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
207RG0100X
- Internal Medicine / Gastroenterology (Primary)		 TN 51868

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.

Additional Information

Education
UNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE - Graduated 2012
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
WILLIAM ERGEN is affiliated with the following medical group(s):
  • HOSPITAL
    • PARKWEST MEDICAL CENTER
      9352 PARK WEST BLVD
      KNOXVILLE, TN 37923
    • PHYSICIANS REGIONAL MEDICAL CENTER
      7565 DANNAHER WAY POWELL
      POWELL, TN 37849
    • UNIVERSITY HEALTH SYSTEM, INC
      1924 ALCOA HIGHWAY
      KNOXVILLE, TN 37920

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