MICHAEL A. MACKAY M.D. – NPI #1710955315
Orthopaedic Surgery

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Health Care Provider Taxonomy Code for Orthopaedic Surgery

MICHAEL MACKAY is an orthopaedic surgeon located in OAK RIDGE, TN. NPPES has assigned the NPI number 1710955315 to MICHAEL MACKAY on March 09, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207X00000X from the Health Care Provider Taxonomy code set, which is classified as Orthopaedic Surgery.

The NPI profile was last updated on Jan 15, 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 MICHAEL MACKAY below.

NPI Profile for
MICHAEL A. MACKAY

NPI Number
1710955315
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
MICHAEL A. MACKAY
Credentials
M.D.
Primary location
90 VERMONT AVE STE 300
OAK RIDGE, TN 37830-6478
Phone: (865) 481-2541 Fax: (865) 483-8151
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 15, 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 MICHAEL MACKAY

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
otherAETNATN5415575
otherBLUE CROSS BLUE SHIELDTN3071424
otherJOHN DEERE HEALTHCARETNTN0189
otherJOHN DEERE HEALTHCARETNTN0159
otherRAILROAD MEDICARETN200029631
otherTENNCARETN100010540
otherUNITED HEALTH CARETN1469814
medicaidTN3813168
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
207X00000X
- Orthopaedic Surgery (Primary)		 TN MD29247

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
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE - Graduated 1992
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
MICHAEL MACKAY is affiliated with the following medical group(s):
  • HOSPITAL
    • METHODIST MEDICAL CENTER OF OAK RIDGE
      990 OAK RIDGE TURNPIKE BOX 529
      OAK RIDGE, TN 37830
    • ROANE MEDICAL CENTER
      8045 ROANE MEDICAL CENTER DRIVE
      HARRIMAN, TN 37748
  • HOME HEALTH AGENCY
    • AMEDISYS HOME HEALTH CARE
      1225 E. WEISGARBER RD., STE S 280
      KNOXVILLE, TN 37909
    • ENHABIT HOME HEALTH
      900 E HILL AVENUE SUITES 115 & 120
      KNOXVILLE, TN 37915

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