MR. CRAIG A ENNIS MD
NPI 1295742120
Internal Medicine - Gastroenterology in Clarksville, TN

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
647 DUNLOP LN STE 210, CLARKSVILLE, TN 37040(931) 502-3810(931) 502-3815 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 29, 2026, Sep 17, 2020, Jul 15, 2016 (3 updates tracked since 2016).

About Mr. Craig A Ennis Md NPPES

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

MR. CRAIG A ENNIS MD (NPI 1295742120) is an individual gastroenterology provider in Clarksville, Tennessee, licensed in Tennessee (54629) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Tennova Healthcare-clarksville, and is a graduate of University Of California, San Diego School Of Medicine (1990).

NPPES Registry Identity

NPI1295742120
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMR. CRAIG A ENNISCredential: MD
Location Address647 DUNLOP LN STE 210Clarksville, TN 37040-5165
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · Fax (615) 322-5048
Fax(931) 502-3815
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1990
Enumeration DateAugust 2, 2006
Last NPPES UpdateApril 29, 20263 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
NPI 1295742120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in TN · 54629 Licensed in CA · G72693
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
647 DUNLOP LN STE 210, Clarksville, TN 37040

Other Identifiers 2

Medicaid00G726930CA
MedicaidQ022522TN

Accepted 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

Mr. Craig A Ennis Md 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 ID2769546605
PECOS Enrollment IDI20160728002600
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.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
282 services280 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
170 services168 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
133 services114 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
113 services112 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
107 services64 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
101 services97 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tennova Healthcare-Clarksville

Acute Care Hospitals · Clarksville, TN
1/5 CMS rating
OwnershipProprietary
CMS Certification Number440035
Location651 Dunlop LaneClarksville, TN 37040 · Montgomery County
Emergency services Birthing friendly

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37040 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
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
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 5

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

Physician Assistant
647 DUNLOP LN STE 210
CLARKSVILLE, TN 37040
Internal Medicine (Gastroenterology)
647 DUNLOP LN STE 210
CLARKSVILLE, TN 37040
Physician Assistant
647 DUNLOP LN STE 210
CLARKSVILLE, TN 37040
Nurse Practitioner
647 DUNLOP LN STE 210
CLARKSVILLE, TN 37040
Physician Assistant
647 DUNLOP LN STE 210
CLARKSVILLE, TN 37040

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 Craig Ennis's NPI number?

The NPI number for Craig Ennis is 1295742120. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Craig Ennis located?

Craig Ennis practices at 647 Dunlop Ln Ste 210, Clarksville, TN 37040. The listed phone number is (931) 502-3810.

What is Craig Ennis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Craig Ennis enrolled in Medicare?

Yes. Craig Ennis 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 Craig Ennis accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list Craig Ennis 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.

Is Craig Ennis affiliated with any hospitals?

According to CMS data, Craig Ennis is affiliated with Tennova Healthcare-Clarksville and Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Craig Ennis was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.