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MARK D HENNESSY M.D.
NPI 1194710467
Obstetrics & Gynecology - Maternal & Fetal Medicine in Knoxville, TN

Active since September 13, 2005PECOS EnrolledAccepts Medicare Assignment
1924 ALCOA HWY, SUITE 6-SOUTH, KNOXVILLE, TN 37920(865) 305-8888(865) 305-2514 Get Directions Write a Review

NPPES record last updated: October 28, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark D Hennessy M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK D HENNESSY M.D. (NPI 1194710467) is an individual maternal & fetal medicine provider in Knoxville, Tennessee, licensed in Tennessee (MD 23608) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1194710467
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameMARK D HENNESSYCredential: M.D.
Location Address1924 ALCOA HWY, SUITE 6-SOUTHKnoxville, TN 37920-1511
Mailing Address1930 Alcoa Hwy, Ste 435Knoxville, TN 37920-1520 · (865) 305-8888 · Fax (865) 305-7090
Phone(865) 305-8888
Fax(865) 305-2514
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateSeptember 13, 2005
Last NPPES UpdateOctober 28, 2019
✔ NPI 1194710467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in TN · MD 23608
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
1924 ALCOA HWY, Knoxville, TN 37920
Open in Google Maps ↗

Other Identifiers 1

Medicaid3069396TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark D Hennessy M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072502020
PECOS Enrollment IDI20050223000140
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. SUSANNE LORI MITCHELL RN
Registered Nurse (Obstetric, High-Risk)
1924 ALCOA HWY, 6S
KNOXVILLE, TN 37920
Knox County (865) 305-8888
DR. FELIX JOSEPH NEPVEUX V M.D.
Student in an Organized Health Care Education/Training Program
1924 ALCOA HWY, UNIV. OF TENNESSEE MEDICAL CENTER, DEPT. OF PATHOLOGY
KNOXVILLE, TN 37920
Knox County (864) 498-8960
DR. SPENCER PUGH M.D.
Internal Medicine (Pulmonary Disease)
1924 ALCOA HWY, DEPARTMENT OF MEDICINE U-114 GSM, UTMCK
KNOXVILLE, TN 37920
Knox County (865) 305-9340
CAITLIN TABLER LOWE
Nurse Practitioner (Gerontology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-7255
JOAN JAKAB
Pharmacist
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-5337
UNIVERSITY PATHOLOGISTS, P.C.
Pathology (Anatomic Pathology & Clinical Pathology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-9080
DAPHNE M. NORWOOD, MD
Internal Medicine
1924 ALCOA HWY, BOX U114
KNOXVILLE, TN 37920
Knox County (865) 305-9349
ALEJANDRO CONDE
Nurse Anesthetist, Certified Registered
1924 ALCOA HWY
KNOXVILLE, TN 37920
Knox County (865) 305-9000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Hennessy's NPI number?

The NPI number for Mark Hennessy is 1194710467. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Mark Hennessy located?

Mark Hennessy practices at 1924 Alcoa Hwy Suite 6-South, Knoxville, TN 37920. The listed phone number is (865) 305-8888.

What is Mark Hennessy's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Mark Hennessy enrolled in Medicare?

Yes. Mark Hennessy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Hennessy accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Mark Hennessy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Hennessy was last updated on October 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.