Biomarkers, TumorCell NucleusGene Expression Regulation, Neoplastic
Dr. Thomas Lewis, DO
NPI1437716842PAC ID8527394022
- Medicare services, 2024
- 21
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 91
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 2951 Maple Avenue, Zanesville, OH 43701
- Practice phone
- Call (740) 454-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Thomas Lewis is a general surgeon in Zanesville, Ohio
Dr. Lewis practices at Genesis Hospital in Zanesville, Ohio, part of Genesis HealthCare System.
Dr. Lewis' NPI, 1437716842, was assigned on May 21, 2019. Dr. Lewis graduated from Kentucky School of Medicine in 2019. Dr. Lewis holds Ohio license 34.017299.
NPI and contact details
- NPI
- 1437716842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527394022
- NPI enumeration date
- May 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 454-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Lewis practices at Genesis Hospital in Zanesville, Ohio
Dr. Lewis' primary practice is Genesis Hospital, at 2951 Maple Avenue, Zanesville, OH 43701 in Muskingum County. The practice phone is (740) 454-5000.
- Genesis Hospital2951 Maple Avenue, Zanesville, OH 43701 · Muskingum CountyPhone(740) 454-5000
Source: Dmand AI Affiliation Data
Dr. Thomas Lewis is affiliated with 3 sites of care and 3 medical groups
Dr. Lewis' primary practice is Genesis Hospital in Zanesville, Ohio, part of Genesis HealthCare System. The medical group on file is Genesis Medical Group. Dmand AI also links Dr. Lewis to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Genesis Medical Group2 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 6 affiliations for Dr. LewisSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Genesis Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Lewis is one of 1,056 general surgeons in Ohio
Surgery is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lewis is licensed in Ohio.
Specialties and state licenses
- Surgery, OhioPrimary
General surgeons near Dr. Lewis
Counts of general surgeons 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. Thomas Lewis billed Medicare for 21 services in 2024
CMS data shows 21 Medicare services from Dr. Lewis across 1 procedure code in 2024, for 45 Medicare patients. Medicare paid $1,882 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202421
Medicare patients45
Paid by Medicare$1,882
Procedure codes1
Dr. Lewis compared with the Ohio median for general surgeons, 2024
- Dr. Lewis
- Ohio median
- Medicare services
- 21vs 16888% below
- Medicare patients
- 45vs 12765% below
- Part D claims
- 45vs 46Close to median
Medians across 1,031 general surgeons in Ohio with Dmand AI profiles that report each measure.
Dr. Lewis' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Lewis treated 45 Medicare patients in 2024, average age 74
CMS counts 45 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 66, with 58% women.
Medicare patients, 202445
Average age74
Average risk score1.52
Also on Medicaid24%
Dr. Lewis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lewis' Medicare patients by sex, 2024
- Women2556%
- Men2044%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis64%
- Depression44%
- Mood disorders44%
- Anxiety38%
- COPD38%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Lewis wrote 91 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 91 Medicare Part D claims for 67 patients. 97% of them were for generic drugs. CMS names the drug for 45 of them, across 1 drug with 11 or more claims each, at $108 in total drug cost. In 2023, CMS named 71 claims across 2 drugs.
Part D claims, 202491
Drugs named by CMS1
Total drug cost$108
Part D patients67
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic88 claims97%
- Brand-name and other3 claims3%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids54%49 of 91 claims
- Antibiotics13%12 of 91 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: 712024: 4537%
Drugs named by CMS: 1 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
How Dr. Thomas Lewis takes part in Medicare
Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Lewis has 2 publications on record
Dmand AI links 2 papers to Dr. Lewis, published from 2016 to 2018. The most frequent topics are Biomarkers, Tumor. Dr. Lewis has published most often in Br J Cancer. Dr. Lewis' most frequent co-author is Jordan Tyler Jones, DO.
Papers2
Years published2016 to 2018
Topics Dr. Lewis writes about most
- Biomarkers, Tumor
Dr. Lewis' most frequent co-authors
Recent publications by Dr. Lewis
Biomarkers, TumorDisease ProgressionEukaryotic Initiation Factor-4E
See who Dr. Lewis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lewis works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Lewis received $614 in industry payments from 2019 to 2025
CMS Open Payments shows 12 general payments to Dr. Lewis from 10 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $136.
General payments to Dr. Lewis by program year, 2019 to 2025
Companies that paid Dr. Lewis the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Lewis graduated from Kentucky School of Medicine
Dr. Lewis graduated from Kentucky School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Lewis'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Thomas Lewis
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. Thomas Lewis' NPI number?
Dr. Thomas Lewis' NPI number is 1437716842. It was assigned on May 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Lewis?
Dr. Thomas Lewis is a general surgeon in Zanesville, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas Lewis practice?
Dr. Lewis practices at 2951 Maple Avenue, Zanesville, OH 43701. Dr. Lewis' primary practice is Genesis Hospital in Zanesville, Ohio, part of Genesis HealthCare System. Dmand AI also links Dr. Lewis to 2 group practices and clinics and 2 medical groups.
What is Dr. Thomas Lewis' office phone number?
The practice phone on file for Dr. Lewis is (740) 454-5000.
What is Dr. Thomas Lewis' medical license number?
Dr. Lewis holds Ohio license 34.017299.
Which hospitals is Dr. Thomas Lewis affiliated with?
Dr. Lewis practices at Genesis Hospital in Zanesville, Ohio.
What medical group is Dr. Thomas Lewis part of?
Dr. Lewis is linked to Genesis Medical Group. Dmand AI links Dr. Lewis to 2 more medical groups.
Does Dr. Thomas Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 21 services in 2024, and Dr. Lewis accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Lewis see?
CMS counts 45 Medicare patients who saw Dr. Lewis in 2024, with an average age of 74.
What services does Dr. Thomas Lewis bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were hospital inpatient care (99233).
Show 6 more questionsShow fewer questions
Where did Dr. Thomas Lewis go to medical school?
Dr. Lewis graduated from Kentucky School of Medicine in 2019.
What drugs does Dr. Thomas Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Thomas Lewis received payments from drug or device companies?
CMS Open Payments shows $614 in general payments to Dr. Lewis from 10 companies from 2019 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Dr. Thomas Lewis been practicing?
Dr. Lewis graduated from medical school in 2019, 7 years ago.
Does Dr. Thomas Lewis do research?
Dmand AI links 2 publications to Dr. Lewis, published from 2016 to 2018.
Who does Dr. Thomas Lewis publish with?
Dr. Lewis' most frequent co-authors are Jordan Tyler Jones, DO (1 shared paper).
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