NPPES file of Aug 9, 2026

Allison Locke, MD

Gastroenterology Physician · Oak Ridge, TN

Allison Locke, MD is a gastroenterology physician with a practice address in Oak Ridge, Tennessee, and NPI 1518256148, issued on Apr 5, 2011. Check the license (Tennessee 51983, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518256148
Name
Allison Locke
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
51983 TN
Self-reported in NPPES; status is on the state search
Practice location
988 Oak Ridge Tpke Ste 200, Oak Ridge, TN 37830
Phone
(865) 483-4366
Enumerated
Apr 5, 2011
Record last updated
Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(865) 374-2090
Medicaid ID
Q036812 TN
Medicare enrollment
Enrolled (PECOS I20180723003420); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 988 Oak Ridge Tpke Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Davis, FNP-BCFamily Nurse Practitioner1275905945
  2. Kimberly Dymond, PACPhysician Assistant1649263419
  3. Krystle Foshie, FNP-BCFamily Nurse Practitioner1437552577
  4. Amy James, ANPAdult Health Nurse Practitioner1831425578
  5. Misty McCray, FNPFamily Nurse Practitioner1871909507
  6. Claudia ParkerPhysician Assistant1336956986

Verify Allison Locke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 51983
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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73% more Medicare Part D claims than the average gastroenterology physician in 2024

1,401 Medicare Part D claims for 540 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Allison Locke1,401
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium314 claims
  2. Famotidine128 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf111 claims
  4. Gavilyte-G77 claims
  5. Gavilyte-C59 claims
  6. Colestipol Hcl56 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Covenant Medical Group IncOak Ridge, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allison Locke among 384 gastroenterology physician records in Tennessee

Allison Locke, MD is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 79% of them.

  • NPI issued2011 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2001 among the 255 with a school on file
  • Record last updated2019 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Tennessee

There are 384 gastroenterology physician records in Tennessee.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ahmad Abu-Heija, M.D.Oak Ridge, TN 378301134574072
  2. Clement Block, M.D.Oak Ridge, TN 378301528051174
  3. Charles Gholson, MDOak Ridge, TN 378301932192499
  4. Venkata Gourineni, MDOak Ridge, TN 378301972733616
  5. Kenneth Luckmann, MDOak Ridge, TN 378301679566210
  6. Charles Orton, MDOak Ridge, TN 378301316262777
  7. Phillip Ricks, MDOak Ridge, TN 378301467445015
  8. Zachary Sherrill, DOOak Ridge, TN 378301942704689

Common questions

What is Allison Locke, MD's NPI number?

Allison Locke, MD's National Provider Identifier (NPI) is 1518256148, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Allison Locke, MD located?

The NPPES record lists a practice address at 988 Oak Ridge Tpke Ste 200, Oak Ridge, TN, 37830. Phone: (865) 483-4366. Providers update this record themselves, so call before visiting.

How can I verify Allison Locke, MD's license?

NPPES lists Tennessee license number 51983, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Allison Locke, MD prescribe under Medicare Part D?

In 2024, Allison Locke, MD had 1,401 Medicare Part D claims for 540 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.