JOHN W LOCKE MD
NPI 1174057343
Internal Medicine - Gastroenterology in Nashville, TN

Active since April 14, 2017PECOS Enrolled
222 22ND AVE N, NASHVILLE, TN 37203(629) 255-2062(629) 255-4078 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 10, 2022, Apr 9, 2019, Apr 14, 2017 (3 updates tracked since 2017).

About John W Locke Md NPPES

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

JOHN W LOCKE MD (NPI 1174057343) is an individual gastroenterology provider in Nashville, Tennessee, licensed in Tennessee (76670) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174057343
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN W LOCKECredential: MD
Location Address222 22ND AVE NNashville, TN 37203-1802
Mailing Address222 22nd Ave NNashville, TN 37203-1802 · (629) 255-3486 · Fax (629) 255-4000
Fax(629) 255-4078
Sole ProprietorNo
Enumeration DateApril 14, 2017
Last NPPES UpdateJuly 1, 20263 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
NPI 1174057343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in TN · 76670
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.

222 22ND AVE N, Nashville, TN 37203

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

John W Locke Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 37203 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 20

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

Internal Medicine (Cardiovascular Disease)
222 22ND AVE N, STE 400
NASHVILLE, TN 37203
Internal Medicine (Gastroenterology)
222 22ND AVE N
NASHVILLE, TN 37203
Internal Medicine
222 22ND AVE N
NASHVILLE, TN 37203
Internal Medicine (Gastroenterology)
222 22ND AVE N, SUITE 100
NASHVILLE, TN 37203
Internal Medicine (Cardiovascular Disease)
222 22ND AVE N, STE 400
NASHVILLE, TN 37203
Internal Medicine
222 22ND AVE N
NASHVILLE, TN 37203
Obstetrics & Gynecology
222 22ND AVE N
NASHVILLE, TN 37203
Internal Medicine
222 22ND AVE N
NASHVILLE, TN 37203

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 John Locke's NPI number?

The NPI number for John Locke is 1174057343. It was assigned to this individual provider in the NPPES registry on April 14, 2017.

Where is John Locke located?

John Locke practices at 222 22nd Ave N, Nashville, TN 37203. The listed phone number is (629) 255-2062.

What is John Locke's specialty?

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

Is John Locke enrolled in Medicare?

Yes. John Locke is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Locke was last updated on July 1, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.