DOUGLAS N. CALHOUN M.D. – NPI #1770552937
Orthopaedic Surgery

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Health Care Provider Taxonomy Code for Orthopaedic Surgery

DOUGLAS CALHOUN is an orthopaedic surgeon located in KNOXVILLE, TN. NPPES has assigned the NPI number 1770552937 to DOUGLAS CALHOUN on March 17, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207XS0106X from the Health Care Provider Taxonomy code set, which is classified as Orthopaedic Surgery, specializing in Hand Surgery

The NPI profile was last updated on Jan 14, 2026. 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 DOUGLAS CALHOUN below.

NPI Profile for
DOUGLAS N. CALHOUN

NPI Number
1770552937
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
DOUGLAS N. CALHOUN
Credentials
M.D.
Primary location
260 FORT SANDERS WEST BLVD
KNOXVILLE, TN 37922-3355
Phone: (865) 558-4400 Fax: (865) 769-4536
Mailing address
8320 E WALKER SPRINGS LN STE 200
KNOXVILLE, TN 37923-3120
Phone: (865) 769-4500 Fax: (865) 769-4501
Sole Proprietor
No
Updated
Certification Date
Jan 14, 2026

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.

Identifiers

Identifiers for DOUGLAS CALHOUN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

See identifiers
DescriptionIssuerStateIdentifier
otherAETNATN7446397
otherBLUE CROSS BLUE SHIELDTN4103156
otherJOHN DEERE HEALTHCARETNTN01K4
otherRAILROAD MEDICARETN3870397
otherRAILROAD MEDICARETNP00684893
medicaidTN3870397
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
207XS0106X
- Orthopaedic Surgery / Hand Surgery (Primary)		 TN 35809
207X00000X
- Orthopaedic Surgery		 TN MD35809

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 1999
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
DOUGLAS CALHOUN 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

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