WILLIAM GRAHAM CARLOS III MD
NPI 1245403427
Internal Medicine - Pulmonary Disease in Indianapolis, IN
About William Graham Carlos Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM GRAHAM CARLOS III MD (NPI 1245403427) is an individual pulmonary disease provider in Indianapolis, Indiana, licensed in Indiana (01062620A) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 4
Accepted 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
William Graham Carlos Iii 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.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eskenazi Health
Acute Care Hospitals · Indianapolis, INAscension St Vincent Hospital
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46260 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
INDIANAPOLIS, IN 46260
INDIANAPOLIS, IN 46260
INDIANAPOLIS, IN 46260
INDIANAPOLIS, IN 46260
INDIANAPOLIS, IN 46260
INDIANAPOLIS, IN 46260
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 William Carlos's NPI number?
The NPI number for William Carlos is 1245403427. It was assigned to this individual provider in the NPPES registry on April 8, 2008.
Where is William Carlos located?
William Carlos practices at 8333 Naab Rd Ste 250, Indianapolis, IN 46260. The listed phone number is (317) 338-5100.
What is William Carlos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is William Carlos enrolled in Medicare?
Yes. William Carlos 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 William Carlos accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list William Carlos 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 William Carlos affiliated with any hospitals?
According to CMS data, William Carlos is affiliated with Eskenazi Health and Ascension St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for William Carlos was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
