Dr. Zachary Spencer Sherrill, DO
- Medicare services, 2024
- 186
- Medicare patients, 2024
- 127
- Part D claims, 2024
- 322
- Hospital affiliations
- 4
- Industry payments
- $162
- Practice address
- 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830
- Practice phone
- Call (865) 835-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sherrill's professional email, personal email and mobile number
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Dr. Zachary Spencer Sherrill is a gastroenterologist in Oak Ridge, Tennessee
Dr. Sherrill practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health.
Dr. Sherrill's NPI, 1942704689, was assigned on March 19, 2018. Dr. Sherrill holds Tennessee license 5487.
- NPI
- 1942704689NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658623376
- NPI enumeration date
- March 19, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 835-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zachary Spencer Sherrill practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee
Dr. Sherrill's primary practice is Methodist Medical Center of Oak Ridge, at 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830 in Anderson County. The practice phone is (865) 835-1000.
- Methodist Medical Center of Oak Ridge990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830 · Anderson CountyPhone(865) 835-1000
Source: Dmand AI Affiliation Data
Dr. Zachary Spencer Sherrill is affiliated with 6 sites of care and 2 medical groups
Dr. Sherrill's primary practice is Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health. Dr. Sherrill is also affiliated with Covenant Health Parkwest. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Sherrill to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Zachary Spencer Sherrill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sherrill practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Medical Center of Oak Ridge | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary Spencer Sherrill is one of 331 gastroenterologists in Tennessee
Gastroenterology is Dr. Sherrill's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Sherrill is licensed in Tennessee.
Specialties and state licenses
- Gastroenterology, TennesseePrimary
Gastroenterologists near Dr. Sherrill
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Zachary Spencer Sherrill billed Medicare for 186 services in 2024
CMS data shows 186 Medicare services from Dr. Sherrill across 6 procedure codes in 2024, for 127 Medicare patients. Medicare paid $21,206 for them.
Dr. Sherrill's Medicare services by type, 2024
- Surgery109
- Office and hospital visits77
Where Dr. Sherrill's Medicare services took place, 2024
- In an office4323%
- In a facility14377%
Dr. Sherrill compared with the Tennessee median for gastroenterologists, 2024
- Dr. Sherrill
- Tennessee median
- Medicare services
- 186vs 64571% below
- Medicare patients
- 127vs 37766% below
- Part D claims
- 222vs 59663% below
Medians across 330 gastroenterologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Sherrill's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sherrill and other gastroenterologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zachary Spencer Sherrill treated 127 Medicare patients in 2024, average age 74
CMS counts 127 Medicare patients who saw Dr. Sherrill in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sherrill's median patient age at 69, with 51% women.
Dr. Sherrill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sherrill's Medicare patients by sex, 2024
- Women6954%
- Men5846%
Chronic conditions among Dr. Sherrill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis44%
- Diabetes36%
- Mood disorders31%
- Depression28%
- Anxiety23%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sherrill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zachary Spencer Sherrill wrote 322 Medicare Part D claims in 2024
In 2024, Dr. Sherrill wrote 322 Medicare Part D claims for 207 patients. 91% of them were for generic drugs. CMS names the drug for 222 of them, across 7 drugs with 11 or more claims each, at $9,143 in total drug cost. In 2023, CMS named 73 claims across 2 drugs.
Dr. Sherrill's Part D claims by kind of drug, 2024
- Generic292 claims91%
- Brand-name30 claims9%
Dr. Sherrill's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sherrill's Part D claims, 2024
- Antibiotics4%13 of 322 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 732024: 222204%
Drugs named by CMS: 7 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Zachary Spencer Sherrill ranks in the 85th percentile for colonoscopy in Medicare
Dr. Sherrill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 127 procedures of colonoscopy by Dr. Sherrill, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Sherrill ranks in Medicare procedure volume
- Colonoscopy
- 85th percentile127 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 81st percentile126 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Zachary Spencer Sherrill received $162 in industry payments from 2022 to 2024
CMS Open Payments shows 7 general payments to Dr. Sherrill from 5 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $63.
General payments to Dr. Sherrill by program year, 2022 to 2024
Companies that paid Dr. Sherrill the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Zachary Spencer Sherrill's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Zachary Spencer Sherrill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Zachary Spencer Sherrill's NPI number?
Dr. Zachary Spencer Sherrill's NPI number is 1942704689. It was assigned on March 19, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary Spencer Sherrill?
Dr. Zachary Spencer Sherrill is a gastroenterologist in Oak Ridge, Tennessee. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Zachary Spencer Sherrill practice?
Dr. Sherrill practices at 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830. Dr. Sherrill's primary practice is Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health. Dmand AI also links Dr. Sherrill to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Zachary Spencer Sherrill's office phone number?
The practice phone on file for Dr. Sherrill is (865) 835-1000.
What is Dr. Zachary Spencer Sherrill's medical license number?
Dr. Sherrill holds Tennessee license 5487.
Which hospitals is Dr. Zachary Spencer Sherrill affiliated with?
Dr. Sherrill practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee. Dr. Sherrill is also affiliated with Covenant Health Parkwest. Dmand AI links Dr. Sherrill to 2 more hospitals.
What medical group is Dr. Zachary Spencer Sherrill part of?
Dr. Sherrill is linked to Covenant Medical Group. Dmand AI links Dr. Sherrill to 1 more medical group.
Does Dr. Zachary Spencer Sherrill accept Medicare?
Yes. CMS data shows Dr. Sherrill billed Medicare for 186 services in 2024, and Dr. Sherrill accepts Medicare assignment.
How many Medicare patients does Dr. Zachary Spencer Sherrill see?
CMS counts 127 Medicare patients who saw Dr. Sherrill in 2024, with an average age of 74.
What services does Dr. Zachary Spencer Sherrill bill to Medicare?
In 2024, Dr. Sherrill's most billed Medicare services were office visit, new patient (99204), surgery: digestive system (45385) and surgery: digestive system (43239).
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What drugs does Dr. Zachary Spencer Sherrill prescribe most?
In 2024 Medicare Part D data, Dr. Sherrill's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Zachary Spencer Sherrill received payments from drug or device companies?
CMS Open Payments shows $162 in general payments to Dr. Sherrill from 5 companies from 2022 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Zachary Spencer Sherrill been practicing?
Dr. Sherrill graduated from medical school in 2018, 8 years ago.
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