Zachary Spencer Sherrill, DO
Gastroenterology Physician · Oak Ridge, TN
Zachary Spencer Sherrill, DO is a gastroenterology physician with a practice address in Oak Ridge, Tennessee, and NPI 1942704689, issued on Mar 19, 2018. Check the license (Tennessee 5487, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Zachary Spencer Sherrill
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 5487 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
- Mar 19, 2018
- Record last updated
- Jun 19, 2024
- Medicaid ID
- Q092724 TN
- Medicare enrollment
- Enrolled (PECOS I20240716002956); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
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.
- Ashley Davis, FNP-BCFamily Nurse Practitioner1275905945
- Kimberly Dymond, PACPhysician Assistant1649263419
- Krystle Foshie, FNP-BCFamily Nurse Practitioner1437552577
- Amy James, ANPAdult Health Nurse Practitioner1831425578
- Allison Locke, MDGastroenterology Physician1518256148
- Misty McCray, FNPFamily Nurse Practitioner1871909507
Verify Zachary Spencer Sherrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 5487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average gastroenterology physician in 2024
322 Medicare Part D claims for 207 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Pantoprazole Sodium55 claims
- Omeprazole54 claims
- Sod Sulf-Potass Sulf-Mag Sulf50 claims
- Gavilyte-C21 claims
- Gavilyte-G15 claims
- Peg-3350 And Electrolytes15 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.
Industry payments in 2024: $38.40
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- 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).
Zachary Spencer Sherrill among 384 gastroenterology physician records in Tennessee
Zachary Spencer Sherrill, DO 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 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 4% 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 updated2024 · 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.
All 384 in Tennessee → Every provider in Oak Ridge → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ahmad Abu-Heija, M.D.Oak Ridge, TN 378301134574072
- Clement Block, M.D.Oak Ridge, TN 378301528051174
- Charles Gholson, MDOak Ridge, TN 378301932192499
- Venkata Gourineni, MDOak Ridge, TN 378301972733616
- Allison Locke, MDOak Ridge, TN 378301518256148
- Kenneth Luckmann, MDOak Ridge, TN 378301679566210
- Charles Orton, MDOak Ridge, TN 378301316262777
- Phillip Ricks, MDOak Ridge, TN 378301467445015
Common questions
What is Zachary Spencer Sherrill, DO's NPI number?
Zachary Spencer Sherrill, DO's National Provider Identifier (NPI) is 1942704689, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Spencer Sherrill, DO 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 Zachary Spencer Sherrill, DO's license?
NPPES lists Tennessee license number 5487, 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 Zachary Spencer Sherrill, DO prescribe under Medicare Part D?
In 2024, Zachary Spencer Sherrill, DO had 322 Medicare Part D claims for 207 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.