Am J Trop Med Hyg
Antibodies, HelminthAntigens, HelminthColitis
Dr. Gregory Michael Meis, DO
NPI1417944125PAC ID0042478141
- Medicare services, 2024
- 389
- Medicare patients, 2024
- 348
- Part D claims, 2024
- 628
- Publications
- 1
- Hospital affiliations
- 5
- Practice address
- 430 Altair Parkway, Suite 120, Westerville, OH 43082
- Practice phone
- Call (614) 754-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central Ohio Endoscopy Center - Westerville
Surgery Center - Medicare-Certified · Westerville, Ohio
Find Dr. Meis' professional email, personal email and mobile number
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Dr. Gregory Michael Meis is a gastroenterologist in Westerville, Ohio
Dr. Meis practices at Central Ohio Endoscopy Center - Westerville in Westerville, Ohio.
Dr. Meis' NPI, 1417944125, was assigned on September 29, 2005. Dr. Meis holds Ohio license 34008404.
NPI and contact details
- NPI
- 1417944125NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042478141
- NPI enumeration date
- September 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (614) 754-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Michael Meis practices at Central Ohio Endoscopy Center - Westerville in Westerville, Ohio
Dr. Meis' primary practice is Central Ohio Endoscopy Center - Westerville, at 430 Altair Parkway, Suite 120, Westerville, OH 43082. The practice phone is (614) 754-5500.
- Central Ohio Endoscopy Center - Westerville430 Altair Parkway, Suite 120, Westerville, OH 43082Phone(614) 754-5500
Source: Dmand AI Affiliation Data
Dr. Gregory Michael Meis is affiliated with 9 sites of care and 3 medical groups
Dr. Meis' primary practice is Central Ohio Endoscopy Center - Westerville in Westerville, Ohio. Dr. Meis is also affiliated with Mount Carmel St. Ann's. The medical group on file is OhioHealth Physician Group. Dmand AI also links Dr. Meis to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Central Ohio Endoscopy Center - WestervillePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Michael Meis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Meis practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Ohio Endoscopy Center - Westerville | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gregory Michael Meis is one of 692 gastroenterologists in Ohio
Gastroenterology is Dr. Meis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Meis is licensed in Ohio.
Specialties and state licenses
- Gastroenterology, OhioPrimary
Gastroenterologists near Dr. Meis
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. Gregory Michael Meis billed Medicare for 389 services in 2024
CMS data shows 389 Medicare services from Dr. Meis across 13 procedure codes in 2024, for 348 Medicare patients. Medicare paid $41,929 for them.
Medicare services, 2024389
Medicare patients348
Paid by Medicare$41,929
Procedure codes13
Dr. Meis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2362024: 19617%
- Office and hospital visits
- 2023: 1592024: 1496%
- Other services
- 2023: 542024: 4419%
Where Dr. Meis' Medicare services took place, 2024
- In an office13234%
- In a facility25766%
Dr. Meis compared with the Ohio median for gastroenterologists, 2024
- Dr. Meis
- Ohio median
- Medicare services
- 389vs 404Close to median
- Medicare patients
- 348vs 28821% above
- Part D claims
- 506vs 40226% above
Medians across 687 gastroenterologists in Ohio with Dmand AI profiles that report each measure.
Dr. Meis' 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.
Need commercial claims for Dr. Meis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Meis and other gastroenterologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Michael Meis treated 348 Medicare patients in 2024, average age 73
CMS counts 348 Medicare patients who saw Dr. Meis in 2024. The largest group is 65 to 74, with 188 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Meis' median patient age at 60, with 55% women.
Medicare patients, 2024348
Average age73
Average risk score1.31
Also on Medicaid7%
Dr. Meis' Medicare patients by age, 2024
Dr. Meis' Medicare patients by sex, 2024
- Women19055%
- Men15845%
Chronic conditions among Dr. Meis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis49%
- Mood disorders35%
- Depression32%
- Ischemic heart disease32%
- Diabetes31%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Meis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Michael Meis wrote 628 Medicare Part D claims in 2024
In 2024, Dr. Meis wrote 628 Medicare Part D claims for 437 patients. 87% of them were for generic drugs. CMS names the drug for 506 of them, across 8 drugs with 11 or more claims each, at $17,642 in total drug cost. In 2023, CMS named 475 claims across 10 drugs.
Part D claims, 2024628
Drugs named by CMS8
Total drug cost$17,642
Part D patients437
Dr. Meis' Part D claims by kind of drug, 2024
- Generic548 claims87%
- Brand-name and other80 claims13%
Dr. Meis' 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. Meis' Part D claims, 2024
- Antibiotics2%11 of 628 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: 4752024: 5067%
Drugs named by CMS: 8 in 2024, 10 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. Gregory Michael Meis ranks in the 84th percentile for colonoscopy in Medicare
Dr. Meis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 121 procedures of colonoscopy by Dr. Meis, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Meis ranks in Medicare procedure volume
- Colonoscopy
- 84th percentile121 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 76th percentile96 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. Gregory Michael Meis has 1 publication on record
Dmand AI links 1 paper to Dr. Meis. Dr. Meis' most frequent co-authors are Keith Glenn, MD and David Alton Lindholm, MD.
Papers1
Dr. Meis' most frequent co-authors
Recent publications by Dr. Meis
See who Dr. Meis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Meis works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Michael Meis received $1,333 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Meis from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $489.
General payments to Dr. Meis by program year, 2016 to 2025
Companies that paid Dr. Meis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Michael Meis'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) |
| 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. Gregory Michael Meis
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. Gregory Michael Meis' NPI number?
Dr. Gregory Michael Meis' NPI number is 1417944125. It was assigned on September 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Michael Meis?
Dr. Gregory Michael Meis is a gastroenterologist in Westerville, Ohio. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gregory Michael Meis practice?
Dr. Meis practices at 430 Altair Parkway, Suite 120, Westerville, OH 43082. Dr. Meis' primary practice is Central Ohio Endoscopy Center - Westerville in Westerville, Ohio. Dmand AI also links Dr. Meis to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Gregory Michael Meis' office phone number?
The practice phone on file for Dr. Meis is (614) 754-5500.
What is Dr. Gregory Michael Meis' medical license number?
Dr. Meis holds Ohio license 34008404.
Which hospitals is Dr. Gregory Michael Meis affiliated with?
Dr. Meis is affiliated with Mount Carmel St. Ann's. Dmand AI links Dr. Meis to 4 more hospitals.
What medical group is Dr. Gregory Michael Meis part of?
Dr. Meis is linked to OhioHealth Physician Group. Dmand AI links Dr. Meis to 2 more medical groups.
Does Dr. Gregory Michael Meis accept Medicare?
Yes. CMS data shows Dr. Meis billed Medicare for 389 services in 2024, and Dr. Meis accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Michael Meis see?
CMS counts 348 Medicare patients who saw Dr. Meis in 2024, with an average age of 73.
What services does Dr. Gregory Michael Meis bill to Medicare?
In 2024, Dr. Meis' most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99213) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
What drugs does Dr. Gregory Michael Meis prescribe most?
In 2024 Medicare Part D data, Dr. Meis' most prescribed drugs by claims were Peg 3350-Electrolyte, Gavilyte-G and Omeprazole.
Has Dr. Gregory Michael Meis received payments from drug or device companies?
CMS Open Payments shows $1,333 in general payments to Dr. Meis from 13 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Gregory Michael Meis been practicing?
Dr. Meis graduated from medical school in 2002, 24 years ago.
Does Dr. Gregory Michael Meis do research?
Dmand AI links 1 publication to Dr. Meis.
Who does Dr. Gregory Michael Meis publish with?
Dr. Meis' most frequent co-authors are Keith Glenn, MD (1 shared paper) and David Alton Lindholm, MD (1 shared paper).
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