DR. GREGORY MICHAEL MEIS D.O.
NPI 1417944125
Internal Medicine - Gastroenterology in Westerville, OH

Q: What is Gregory Meis's NPI number?

The NPI number for Gregory Meis is 1417944125. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Q: What is Gregory Meis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Meis was last updated on November 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 29, 2005PECOS EnrolledAccepts Medicare Assignment

87.77/100

CMS Quality Rating

430 ALTAIR PKWY STE 110, WESTERVILLE, OH 43082(614) 754-5500(614) 754-5501 Get Directions Write a Review

NPPES record last updated: November 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2023, Jan 23, 2023, Jul 28, 2020 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Gregory Michael Meis D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY MICHAEL MEIS D.O. (NPI 1417944125) is an individual gastroenterology provider in Westerville, Ohio, licensed in Ohio (34008404) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1417944125

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. GREGORY MICHAEL MEISCredential: D.O.

Location Address430 ALTAIR PKWY STE 110Westerville, OH 43082-7647

Mailing Address3400 Olentangy River RdColumbus, OH 43202-1523 · (614) 754-5500 · Fax (614) 457-9519

Phone(614) 754-5500

Fax(614) 754-5501

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateSeptember 29, 2005

Last NPPES UpdateNovember 6, 20236 updates tracked since enumeration

NPPES CertifiedNovember 6, 2023

✔ NPI 1417944125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in OH · 34008404

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 34. 008404 (OH)

430 ALTAIR PKWY STE 110, Westerville, OH 43082

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Secondary Practice Location 1

Location 13595 Olentangy River RdColumbus, OH 43214-3440 · Phone (614) 566-5456 · Fax (614) 566-6902

Other Identifiers 1

Medicaid0064197OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Michael Meis D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42478141

PECOS Enrollment IDI20120221000552

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gregory Meis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ohiohealth Corporation

8.8 mi

Cardiovascular Disease

3705 OLENTANGY RIVER RD, SUITE 100
Columbus, OH 43214

Reassigned Medicare billing, Ohio enrollment
3,314 clinicians in this Medicare group

NPI 1194979526 (614) 262-6772

Ohio Gastroenterology Group, Inc.

9.1 mi

Gastroenterology

3400 OLENTANGY RIVER RD
Columbus, OH 43202

Reassigned Medicare billing, Ohio enrollment
116 clinicians in this Medicare group

NPI 1124197637 (614) 754-5500

Union County Physician Corporation

23 mi

Otolaryngology

500 LONDON AVE
Marysville, OH 43040

Reassigned Medicare billing, Ohio enrollment
144 clinicians in this Medicare group

NPI 1992941108 (937) 578-2020

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

60 services60 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

53 services47 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

53 services46 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

38 services38 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

35 services35 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

32 services32 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

19 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

14 services14 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

12 services12 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360006

Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County

Emergency services Birthing friendly

Mount Carmel St Ann's

Acute Care Hospitals · Westerville, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360012

Location500 South Cleveland AvenueWesterville, OH 43081 · Franklin County

Emergency services Birthing friendly

Grant Medical Center

Acute Care Hospitals · Columbus, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360017

Location111 South Grant AvenueColumbus, OH 43215 · Franklin County

Emergency services Birthing friendly

Memorial Hospital

Acute Care Hospitals · Marysville, OH

5/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number360092

Location500 London AvenueMarysville, OH 43040 · Union County

Emergency services Birthing friendly

Dublin Methodist Hospital

Acute Care Hospitals · Dublin, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360348

Location7500 Hospital AvenueDublin, OH 43016 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43082 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.77/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

88.17

Promoting Interoperability

100

Improvement Activities

Cost

71.09

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN JOSEPH WARD MD

Internal Medicine (Gastroenterology)