DR. CHARLES EDWARD GABA MD
NPI 1801866025
Internal Medicine in Louisville, KY

Q: What is Charles Gaba's NPI number?

The NPI number for Charles Gaba is 1801866025. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Q: What is Charles Gaba's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Gaba was last updated on December 11, 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 January 23, 2006PECOS EnrolledAccepts Medicare Assignment

95.5/100

CMS Quality Rating

11600 MAIN ST, LOUISVILLE, KY 40243(502) 245-4168(502) 244-4054 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Charles Edward Gaba Md NPPES

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

DR. CHARLES EDWARD GABA MD (NPI 1801866025) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (31296) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Floyd, and is a graduate of University Of Louisville School Of Medicine (1997).

NPPES Registry Identity

NPI1801866025

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHARLES EDWARD GABACredential: MD

Location Address11600 MAIN STLouisville, KY 40243-1318

Mailing Address5200 Commerce Crossings Dr Fl 3Louisville, KY 40229-2182 · (502) 253-4924 · Fax (502) 489-5750

Phone(502) 245-4168

Fax(502) 244-4054

Sole ProprietorNo

Medical School CMSUniversity Of Louisville School Of MedicineGraduated 1997

Enumeration DateJanuary 23, 2006

Last NPPES UpdateDecember 11, 2020

NPPES CertifiedDecember 11, 2020

✔ NPI 1801866025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in KY · 31296

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

11600 MAIN ST, Louisville, KY 40243

Open in Google Maps ↗

Other Identifiers 1

Medicaid64312960KY

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles Edward Gaba Md 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 ID5991704397

PECOS Enrollment IDI20061213000108

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.

Medicare Billing Reassignment

Medicare enrollment records show Charles Gaba reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baptist Health Medical Group Inc

2.1 mi

Urgent Care

1901 CAMPUS PL
Louisville, KY 40299

Reassigned Medicare billing, Kentucky enrollment
1,441 clinicians in this Medicare group

NPI 1508269200 (502) 253-4911

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

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.

544 services313 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.

283 services208 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

171 services171 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

51 services50 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

50 services49 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

32 services32 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

32 services32 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

26 services26 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

19 services18 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

16 services13 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

13 services13 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Baptist Health Floyd

Acute Care Hospitals · New Albany, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150044

Location1850 State StNew Albany, IN 47150 · Floyd County

Emergency services Birthing friendly

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number180040

Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson 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 40243 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

$122.77 typical visit price

range $52.76 – $162.27

Typical copayment $30.69 (range $13.19 – $40.56)

Most-billed visit code 99204

Established Patient

$93.94 typical visit price

range $16.53 – $131.99

Typical copayment $23.48 (range $4.13 – $32.99)

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.

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

Referred Medical Equipment & Supplies CMS DME claims 10

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers31 claims84 services$6.67 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

5 suppliers14 claims14 services$32.72 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

6 suppliers12 claims12 services$61.16 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

3 suppliers13 claims70 services$12.87 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers22 claims22 services$43.85 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

8 suppliers24 claims24 services$13.87 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. WALTER O BRUNING MD

Internal Medicine

11600 MAIN ST
LOUISVILLE, KY 40243

Jefferson County (502) 245-4168

JEEVANJOT KAUR VIRK

Internal Medicine

11600 MAIN ST
LOUISVILLE, KY 40243

Jefferson County (347) 387-0144

DR. KEITH E KRAWIEC MD

Internal Medicine

11600 MAIN ST
LOUISVILLE, KY 40243

Jefferson County (502) 245-4168

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 Gaba's NPI number?

The NPI number for Charles Gaba is 1801866025. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Charles Gaba located?

Charles Gaba practices at 11600 Main St, Louisville, KY 40243. The listed phone number is (502) 245-4168.

What is Charles Gaba's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Gaba enrolled in Medicare?

Yes. Charles Gaba 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.

Which organization bills Medicare for Charles Gaba's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Gaba reassigns Medicare benefits to Baptist Health Medical Group Inc (Louisville, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Gaba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Gaba accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Charles Gaba 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 Gaba affiliated with any hospitals?

According to CMS data, Charles Gaba is affiliated with Baptist Health Floyd, Jewish Hospital & St Mary's Healthcare, Norton Hospitals, Inc, Baptist Health Louisville and Baptist Health Lagrange.

When was this NPI record last updated?

The NPPES record for Charles Gaba was last updated on December 11, 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.