Grainne O'Malley, MD
Internal Medicine Physician · West Lafayette, IN
Grainne O'Malley, MD is an internal medicine physician with a practice address in West Lafayette, Indiana, and NPI 1407230501, issued on Jul 17, 2015. Check the license (Indiana 01080931A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Grainne O'Malley
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01080931A IN
125067889 IL
Self-reported in NPPES; status is on the state search - Practice location
- 253 Sagamore Pkwy W, West Lafayette, IN 47906
- Phone
- (708) 714-4378
- Enumerated
- Jul 17, 2015
- Entity
- Type 1 · individual
Also registered at 253 Sagamore Pkwy W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zarah-Ann Alba, M.D.Internal Medicine Physician1164417812
- Katie Aldridge, NPRegistered Nurse1750822367
- Cheryl Arvanitis, DOFamily Medicine Physician1346335197
- Jeffrey Cahoon, MDVascular & Interventional Radiology Physician1427027226
- Jiyoung ChaeRegistered Nurse1568845295
- Andrew Edwards, MDFamily Medicine Physician1093784662
Verify Grainne O'Malley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01080931ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
8,811 Medicare Part D claims for 936 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 148 claims were for opioids.
Most prescribed
- Atorvastatin Calcium869 claims
- Lisinopril475 claims
- Amlodipine Besylate435 claims
- Levothyroxine Sodium335 claims
- Losartan Potassium311 claims
- Hydrochlorothiazide258 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.
The Medicare quality score for 2023: 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
2 hospital and facility affiliations
- Arnett Clinic LLCWest Lafayette, IN
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
12 internal medicine physician records list a West Lafayette practice address
They are 12 of the 1,112 NPPES records with a West Lafayette practice address, and 2,565 internal medicine physician records in Indiana.
All 12 in West Lafayette → All 2,565 in Indiana → Every provider in West Lafayette →
Other internal medicine physician records in Indiana
- Sami Aasar, MDFishers, IN1427086974
- Paolo Abada, MDIndianapolis, IN1780844506
- Asad Abbas, DORichmond, IN1750031092
- Faheem Abbasi, MDIndianapolis, IN1043486343
- Hayder Abbood, MDIndianapolis, IN1922448141
- Simon Abdallah, MDRichmond, IN1952798928
- Ahmed Abdel Rahman, MDIndianapolis, IN1427288604
- Ashraf Abdelhafez, MDGreenwood, IN1780977751
- Eiman AbdelrahmanIndianapolis, IN1306861109
- Nabil AbdoMunster, IN1629226089
Common questions
What is Grainne O'Malley, MD's NPI number?
Grainne O'Malley, MD's National Provider Identifier (NPI) is 1407230501, issued on Jul 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Grainne O'Malley, MD located?
The NPPES record lists a practice address at 253 Sagamore Pkwy W, West Lafayette, IN, 47906. Phone: (708) 714-4378. Providers update this record themselves, so call before visiting.
How can I verify Grainne O'Malley, MD's license?
NPPES lists Indiana license number 01080931A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Grainne O'Malley, MD prescribe under Medicare Part D?
In 2024, Grainne O'Malley, MD had 8,811 Medicare Part D claims for 936 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Grainne O'Malley, MD's Medicare quality score?
The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.