NPPES file of Aug 9, 2026

Gregory O'Donnell, MD

Geriatric Medicine (Family Medicine) Physician · Merriam, KS

Gregory O'Donnell, MD is a geriatric medicine (family medicine) physician with a practice address in Merriam, Kansas, and NPI 1891734224, issued on Jun 4, 2006. Check the license (Kansas 0432914, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891734224
Name
Gregory O'Donnell
Credential
MD
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
0432914 KS
Self-reported in NPPES; status is on the state search
Practice location
7450 Kessler St Ste 300, Merriam, KS 66204
Phone
(913) 632-2900
Enumerated
Jun 4, 2006
Record last updated
Jun 24, 2024
Fax
(913) 831-6881
Medicare enrollment
Enrolled (PECOS I20100422000546); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 1992
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7450 Kessler St Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kayla Beashore, DOFamily Medicine Physician1649850116
  2. Lynda Brumley, MDGeriatric Medicine (Internal Medicine) Physician1780641811
  3. Mary Foos, M.D.Family Medicine Physician1295827822
  4. Laura Gaffney, M.D.Internal Medicine Physician1740372390
  5. Sam Holmes, PA-CPhysician Assistant1295104891
  6. Megan Howland, PAPhysician Assistant1689468993

Verify Gregory O'Donnell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKansas State Board of Healing Arts
    Search for license 0432914
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

9,128 Medicare Part D claims for 666 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 119 claims were for opioids.

  1. Gregory O'Donnell9,128
  2. Specialty average5,222

Most prescribed

  1. Atorvastatin Calcium902 claims
  2. Lisinopril616 claims
  3. Amlodipine Besylate546 claims
  4. Losartan Potassium428 claims
  5. Rosuvastatin Calcium334 claims
  6. Metoprolol Succinate320 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: $29.87

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 460 providers of this specialty with any payment received $1,218.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory O'Donnell$29.87
  2. Specialty average$1,218.49

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

  1. Shawnee Mission Medical Center IncMerriam, KS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory O'Donnell among 17 geriatric medicine (family medicine) physician records in Kansas

Gregory O'Donnell, MD is one of 17 geriatric medicine (family medicine) physician records with a practice address in Kansas. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 29% of them.

  • NPI issued2006 · 29% of these records are older, 47% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1992 · median 1994 among the 10 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Kansas

There are 17 geriatric medicine (family medicine) physician records in Kansas.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Arthur SnowShawnee Mission, KS 662041578607982
  2. Morgan Rainey, FNP-BCOverland Park, KS 662121417837196
  3. Scott Bowlin, D.O.Shawnee, KS 662261992780852
  4. Carli Beyer, DOKansas City, KS 661601760061626
  5. Sumalatha Muthineni, MBBSKansas City, KS 661601528320272
  6. Denise Zwahlen, MDKansas City, KS 661031497748859
  7. James Rider, D.O.Winchester, KS 660971215968870
  8. Atabak Kermani, MDLeavenworth, KS 660481407383870

Common questions

What is Gregory O'Donnell, MD's NPI number?

Gregory O'Donnell, MD's National Provider Identifier (NPI) is 1891734224, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory O'Donnell, MD located?

The NPPES record lists a practice address at 7450 Kessler St Ste 300, Merriam, KS, 66204. Phone: (913) 632-2900. Providers update this record themselves, so call before visiting.

How can I verify Gregory O'Donnell, MD's license?

NPPES lists Kansas license number 0432914, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory O'Donnell, MD prescribe under Medicare Part D?

In 2024, Gregory O'Donnell, MD had 9,128 Medicare Part D claims for 666 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.