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

Mark D Hennessy, MD

Individual provider Maternal & Fetal Medicine Physician · NPI 1194710467

Mark D Hennessy, MD is an Obstetrics/Gynecology in Knoxville, Tennessee. Qualified in 1986, 40 years ago. Practices with High Risk Obstetrical Consultants, PLLC, a 12-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
40
Licensed in
TN
In the registry since
2005
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

1924 Alcoa Hwy Ste 6-SOUTH
Knoxville, TN 37920-1511
Phone: (865) 305-8888
Fax: (865) 305-2514
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence MD 23608 (TN)

Record details

NPI number1194710467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2005
Last updated in NPPESOctober 28, 2019

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice High Risk Obstetrical Consultants, Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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