Crystal Hamilton Mcmahan, MD - Medicare Radiation Oncology in Louisville, KY

Crystal Hamilton Mcmahan, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Louisville, Kentucky. She went to University Of Louisville School Of Medicine and graduated in 2006 and has 18 years of diverse experience with area of expertise as Radiation Oncology. She is a member of the group practice Baptist Health Medical Group Inc, Baptist Health Medical Group Inc and her current practice location is 4003 Kresge Way, Ste 115, Louisville, Kentucky. You can reach out to her office (for appointments etc.) via phone at (502) 897-8163.

Crystal Hamilton Mcmahan is licensed to practice in Kentucky (license number 42203) 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 1396969200.

Contact Information

Crystal Hamilton Mcmahan, MD
4003 Kresge Way, Ste 115,
Louisville, KY 40207-4652
(502) 897-8163
(502) 897-8052

Map and Direction




Physician's Profile

Full NameCrystal Hamilton Mcmahan
GenderFemale
SpecialityRadiation Oncology
Experience18 Years
Location4003 Kresge Way, Louisville, Kentucky
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:
  • Crystal Hamilton Mcmahan attended and graduated from University Of Louisville School Of Medicine in 2006
  NPI Data:
  • NPI Number: 1396969200
  • Provider Enumeration Date: 04/12/2007
  • Last Update Date: 12/09/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7416016548
  • Enrollment ID: I20081104000786

Medical Identifiers

Medical identifiers for Crystal Hamilton Mcmahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396969200NPI-NPPES
50027952OtherKYPASSPORT
7100059430MedicaidKY
000000651185OtherKYANTHEM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 42203 (Kentucky)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baptist Health LouisvilleLouisville, KYHospital
Baptist Health LagrangeLa grange, KYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Baptist Health Medical Group Inc55978671841912
Baptist Health Medical Group Inc55978671841912

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. Crystal Hamilton Mcmahan allows following entities to bill medicare on her behalf.
Entity NameBaptist Health Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740586213
PECOS PAC ID: 5597867184
Enrollment ID: O20070228000503

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. Crystal Hamilton Mcmahan 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
Crystal Hamilton Mcmahan, MD
Po Box 950248,
Louisville, KY 40295-0248

Ph: (502) 489-5730
Crystal Hamilton Mcmahan, MD
4003 Kresge Way, Ste 115,
Louisville, KY 40207-4652

Ph: (502) 897-8163

Reviews and Comments


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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).

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