Grainne M O'malley, MD - Medicare Internal Medicine in West Lafayette, IN

Grainne M O'malley, MD is a medicare enrolled "Internal Medicine" physician in West Lafayette, Indiana. She graduated from medical school in 2015 and has 9 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Arnett Clinic Llc and her current practice location is 253 Sagamore Pkwy W, West Lafayette, Indiana. You can reach out to her office (for appointments etc.) via phone at (708) 714-4378.

Grainne M O'malley is licensed to practice in Indiana (license number 01080931A) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1407230501.

Contact Information

Grainne M O'malley, MD
253 Sagamore Pkwy W,
West Lafayette, IN 47906-1501
(708) 714-4378
Not Available

Map and Direction




Physician's Profile

Full NameGrainne M O'malley
GenderFemale
SpecialityInternal Medicine
Experience9 Years
Location253 Sagamore Pkwy W, West Lafayette, Indiana
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Grainne M O'malley graduated from medical school in 2015
  NPI Data:
  • NPI Number: 1407230501
  • Provider Enumeration Date: 07/17/2015
  • Last Update Date: 07/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9931401262
  • Enrollment ID: I20180904000241

Medical Identifiers

Medical identifiers for Grainne M O'malley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407230501NPI-NPPES
300019370MedicaidIN
000001199850OtherANTHEM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 125067889 (Illinois)Secondary
207R00000XInternal Medicine 01080931A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Elara CaringKokomo, INHome health agency
Indiana University Health Arnett HospitalLafayette, INHospital
Indiana University Health White Memorial HospitalMonticello, INHospital
Franciscan Health LafayetteLafayette, INHospital
Franciscan Health Rensselaer, IncRensselaer, INHospital
Westminster Village - West LafayetteWest lafayette, INNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Arnett Clinic Llc0749184380382

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Grainne M O'malley allows following entities to bill medicare on her behalf.
Entity NameArnett Clinic Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164490843
PECOS PAC ID: 0749184380
Enrollment ID: O20031125000119

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Grainne M O'malley is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Grainne M O'malley, MD
250 N Shadeland Ave,
Indianapolis, IN 46219-4959

Ph: () -
Grainne M O'malley, MD
253 Sagamore Pkwy W,
West Lafayette, IN 47906-1501

Ph: (708) 714-4378

Reviews and Comments


Internal Medicine Doctors in West Lafayette, IN

Zarah-ann A Alba, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 253 Sagamore Pkwy W, West Lafayette, IN 47906
Phone: 765-448-8000    
Dr. Janet Hortin, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 601 Stadium Mall Dr, West Lafayette, IN 47907
Phone: 765-418-8433    Fax: 765-496-1227
Dr. Julianne Stout, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 148 Sagamore Pkwy W, West Lafayette, IN 47906
Phone: 765-314-3515    Fax: 833-874-0936
Dr. Justin Ryan Lockrem, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 900 N John R Wooden Dr, West Lafayette, IN 47907
Phone: 765-494-3245    Fax: 765-494-9899
Timothy Dean Fisher, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 253 Sagamore Pkwy W, West Lafayette, IN 47906
Phone: 765-448-8000    
Sarette C Zawadsky,
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 4022 Morehouse Rd, West Lafayette, IN 47906
Phone: 765-463-7584    Fax: 765-463-2029

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.