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

John Lynn Jefferies Jr., MD

Individual provider Pediatric Cardiology Physician · NPI 1619920469

John Lynn Jefferies Jr., MD is a Pediatric Medicine in Memphis, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 1996, 30 years ago. Practices with Wellmont Cardiology Services, a 138-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Kentucky, Minnesota, Mississippi and Ohio and 1 more.

Years since qualifying
30
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
KY, MN, MS, OH, TN
In the registry since
2006
Specialties on file
9
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1211 Union Ave Ste 965
Memphis, TN 38104
Phone: (901) 435-8550
Fax: (901) 516-0933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2050 Meadowview Pkwy, Kingsport, TN 37660-7475 — (423) 230-5000
  • 2033 Meadowview Ln Ste 110, Kingsport, TN 37660-7569 — (423) 230-5000

Specialties & licences

Advanced Heart Failure and Transplant Cardiology Physician (primary) Taxonomy 207RA0001X · Licence 57888 (TN)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 35.096072 (OH)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 33376 (KY)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 26120 (MS)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 57888 (TN)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 60245 (MN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 57888 (TN)
Pediatric Cardiology Physician Taxonomy 2080P0202X · Licence 26120 (MS)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 35096072 (OH)

Record details

NPI number1619920469
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESDecember 1, 2025
Certification dateDecember 1, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Wellmont Cardiology Services — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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