DR. CHARLES WILLIAM MCMAHON M.D.
NPI 1861768053
Internal Medicine - Gastroenterology in Kansas City, MO

Q: What is Charles Mcmahon's NPI number?

The NPI number for Charles Mcmahon is 1861768053. It was assigned to this individual provider in the NPPES registry on April 1, 2012.

Q: What is Charles Mcmahon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Charles Mcmahon was last updated on March 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 01, 2012PECOS EnrolledAccepts Medicare Assignment

4321 WASHINGTON ST STE 5600, KANSAS CITY, MO 64111(816) 561-2000 Get Directions Write a Review

NPPES record last updated: March 2, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 29, 2021, May 13, 2019, Mar 17, 2018 (3 updates tracked since 2018).

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About Dr. Charles William Mcmahon M.d. NPPES

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

DR. CHARLES WILLIAM MCMAHON M.D. (NPI 1861768053) is an individual gastroenterology provider in Kansas City, Missouri, licensed in Missouri (2015013288) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Saint Luke's South Hospital, and is a graduate of University Of Oklahoma College Of Medicine (2012).

NPPES Registry Identity

NPI1861768053

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. CHARLES WILLIAM MCMAHONCredential: M.D.

Location Address4321 WASHINGTON ST STE 5600Kansas City, MO 64111-5936

Mailing Address4321 Washington St Ste 5600Kansas City, MO 64111-5936 · (816) 561-2000

Phone(816) 561-2000

Sole ProprietorNo

Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2012

Enumeration DateApril 1, 2012

Last NPPES UpdateMarch 2, 20243 updates tracked since enumeration

NPPES CertifiedMarch 2, 2024

✔ NPI 1861768053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MO · 2015013288

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2015013288 (MO)

4321 WASHINGTON ST STE 5600, Kansas City, MO 64111

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan 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

Dr. Charles William Mcmahon 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 ID3577798339

PECOS Enrollment IDI20210504001504

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 15

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.

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

178 services177 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

141 services137 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

95 services91 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

49 services11 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.

47 services36 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

27 services23 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.

22 services17 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

22 services22 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.

20 services19 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

20 services20 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, 3.0 cm or more 43233

Balloon dilation is a procedure where a small, flexible tube with a camera (endoscope) is used to access your esophagus, stomach, or upper small bowel. A balloon attached to the endoscope is then inflated to widen narrow areas, aiding digestion.

14 services12 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

13 services13 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 moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

12 services12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Saint Luke's South Hospital

Acute Care Hospitals · Overland Park, KS

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number170185

Location12300 Metcalf AvenueOverland Park, KS 66213 · Johnson County

Emergency services

Saint Lukes North Hospital

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260062

Location5830 N W Barry RoadKansas City, MO 64154 · Platte County

Emergency services Birthing friendly

St Lukes Hospital Of Kansas City

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260138

Location4401 Wornall RoadKansas City, MO 64111 · Jackson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64111 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

$127.61 typical visit price

range $55.29 – $168.52

Typical copayment $31.90 (range $13.82 – $42.13)

Most-billed visit code 99204

Established Patient

$97.82 typical visit price

range $17.60 – $137.20

Typical copayment $24.45 (range $4.40 – $34.30)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

HILLARY LANE BOWNIK M.D

Internal Medicine (Gastroenterology)

4321 WASHINGTON ST STE 5600
KANSAS CITY, MO 64111

Jackson County (816) 561-2000

TIFFANY L CRUSE APRN

Nurse Practitioner (Family)

4321 WASHINGTON ST STE 5600
KANSAS CITY, MO 64111

Jackson County (816) 561-2000

DR. SAKHER M ALBADARIN M.D.

Internal Medicine (Gastroenterology)

4321 WASHINGTON ST STE 5600
KANSAS CITY, MO 64111

Jackson County (816) 561-2000

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 Charles Mcmahon's NPI number?

The NPI number for Charles Mcmahon is 1861768053. It was assigned to this individual provider in the NPPES registry on April 1, 2012.

Where is Charles Mcmahon located?

Charles Mcmahon practices at 4321 Washington St Ste 5600, Kansas City, MO 64111. The listed phone number is (816) 561-2000.

What is Charles Mcmahon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Charles Mcmahon enrolled in Medicare?

Yes. Charles Mcmahon 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 Charles Mcmahon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 6 other insurers list Charles Mcmahon 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 Charles Mcmahon affiliated with any hospitals?

According to CMS data, Charles Mcmahon is affiliated with Saint Luke's South Hospital, Saint Lukes North Hospital and St Lukes Hospital Of Kansas City.

When was this NPI record last updated?

The NPPES record for Charles Mcmahon was last updated on March 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.