CRYSTAL HAMILTON MCMAHAN M.D.
NPI 1396969200
Radiology - Radiation Oncology in Louisville, KY

Q: What is Crystal Mcmahan's NPI number?

The NPI number for Crystal Mcmahan is 1396969200. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Q: What is Crystal Mcmahan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Crystal Mcmahan was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 12, 2007PECOS EnrolledAccepts Medicare Assignment

95.5/100

CMS Quality Rating

4003 KRESGE WAY, STE 115, LOUISVILLE, KY 40207(502) 897-8163(502) 897-8052 Get Directions Write a Review

NPPES record last updated: December 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Crystal Hamilton Mcmahan M.d. NPPES

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

CRYSTAL HAMILTON MCMAHAN M.D. (NPI 1396969200) is an individual radiation oncology provider in Louisville, Kentucky, licensed in Kentucky (42203) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Hardin, and is a graduate of University Of Louisville School Of Medicine (2006).

NPPES Registry Identity

NPI1396969200

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameCRYSTAL HAMILTON MCMAHANCredential: M.D.

Location Address4003 KRESGE WAY, STE 115Louisville, KY 40207-4652

Mailing AddressPo Box 950248Louisville, KY 40295-0248 · (502) 489-5730 · Fax (502) 489-5753

Phone(502) 897-8163

Fax(502) 897-8052

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2006

Enumeration DateApril 12, 2007

Last NPPES UpdateDecember 9, 2020

NPPES CertifiedDecember 9, 2020

✔ NPI 1396969200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in KY · 42203

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

4003 KRESGE WAY, Louisville, KY 40207

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Other Identifiers 3

Other000000651185KY · Anthem

Medicaid7100059430KY

Other50027952KY · Passport

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Crystal Hamilton Mcmahan M.d. 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 ID7416016548

PECOS Enrollment IDI20081104000786

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.

Areas of Expertise CMS Part B claims 23

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

651 services92 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

536 services120 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

325 services121 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

296 services99 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

130 services120 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

107 services107 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.

100 services59 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

88 services74 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

85 services74 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.

79 services73 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

72 services52 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

61 services14 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

51 services48 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

51 services46 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

49 services49 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

39 services36 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

39 services35 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

26 services26 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

24 services22 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

23 services23 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

15 services15 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.

13 services13 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Baptist Health Hardin

Acute Care Hospitals · Elizabethtown, KY

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number180012

Location913 North Dixie AvenueElizabethtown, KY 42701 · Hardin County

Emergency services

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180088

Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County

Emergency services Birthing friendly

Baptist Health Louisville

Acute Care Hospitals · Louisville, KY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180130

Location4000 Kresge WayLouisville, KY 40207 · Jefferson County

Emergency services Birthing friendly

Baptist Health Lagrange

Acute Care Hospitals · La Grange, KY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180138

Location1025 New Moody LaneLa Grange, KY 40031 · Oldham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40207 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

$162.27 typical visit price

range $52.76 – $162.27

Typical copayment $40.56 (range $13.19 – $40.56)

Most-billed visit code 99205

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

Most-billed visit code 99213

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.

95.5/100

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

Scored through an Alternative Payment Model

Quality

89.59

Promoting Interoperability

100

Improvement Activities

Leave this field empty

Other Providers at the Same Location NPPES 20

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

DR. SALEM MICHAEL GEORGE JR. MD

Surgery (Vascular Surgery)

4003 KRESGE WAY, SUITE 300
LOUISVILLE, KY 40207

Jefferson County (502) 897-5139

DR. MARK EDWIN ESTERLE M.D.

Internal Medicine (Pulmonary Disease)

4003 KRESGE WAY, SUITE 312
LOUISVILLE, KY 40207

Jefferson County (502) 899-7377

CORTLANDT AUSER NORRIS APRN, FNP-C

Nurse Practitioner (Family)

4003 KRESGE WAY
LOUISVILLE, KY 40207

Jefferson County (502) 897-5139

MR. STANLEY S. CHMIEL M.D.

Otolaryngology

4003 KRESGE WAY, STE 227
LOUISVILLE, KY 40207

Jefferson County (502) 893-3342

MRS. TRACEY GREGORY MAYNOR PAC

Physician Assistant

4003 KRESGE WAY, #221
LOUISVILLE, KY 40207

Jefferson County (502) 897-7107

CAROLE C. SCHARF M.D.

Radiology (Radiation Oncology)

4003 KRESGE WAY, SUITE 115
LOUISVILLE, KY 40207

Jefferson County (502) 897-8163

ADRIAN J PELLEGRINI M.D.

Psychiatry & Neurology (Psychiatry)

4003 KRESGE WAY, STE 224
LOUISVILLE, KY 40207

Jefferson County (502) 899-9980

ANNA LAURA TRIMBUR ARNP

Nurse Practitioner (Family)

4003 KRESGE WAY, STE 312
LOUISVILLE, KY 40207

Jefferson County (502) 899-7377

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Crystal Mcmahan's NPI number?

The NPI number for Crystal Mcmahan is 1396969200. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Crystal Mcmahan located?

Crystal Mcmahan practices at 4003 Kresge Way Ste 115, Louisville, KY 40207. The listed phone number is (502) 897-8163.

What is Crystal Mcmahan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Crystal Mcmahan enrolled in Medicare?

Yes. Crystal Mcmahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Crystal Mcmahan accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter of Tennessee and CareSource list Crystal Mcmahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Crystal Mcmahan affiliated with any hospitals?

According to CMS data, Crystal Mcmahan is affiliated with Baptist Health Hardin, Norton Hospitals, Inc, Baptist Health Louisville and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Crystal Mcmahan was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.