DR. ANNA KALATHIL THOMAS M.D.
NPI 1801070750
Radiology - Pediatric Radiology in Louisville, KY
About Dr. Anna Kalathil Thomas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNA KALATHIL THOMAS M.D. (NPI 1801070750) is an individual pediatric radiology provider in Louisville, Kentucky, licensed in California (A86701) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Drexel University College Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted 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. Anna Kalathil Thomas 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.
Medicare Billing Reassignments
5Medicare enrollment records show Anna Thomas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38103
- Reassigned Medicare billing, Tennessee enrollment
- 582 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Anna Thomas's NPI number?
The NPI number for Anna Thomas is 1801070750. It was assigned to this individual provider in the NPPES registry on December 27, 2007.
Where is Anna Thomas located?
Anna Thomas practices at 231 E Chestnut St, Louisville, KY 40202. The listed phone number is (502) 629-7661.
What is Anna Thomas's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is Anna Thomas enrolled in Medicare?
Yes. Anna Thomas 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 organizations bill Medicare for Anna Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Thomas reassigns Medicare benefits to 5 organizations: Ut Lebonheur Pediatric Specialists, Inc. (Memphis, TN), Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA), Regents Of The Univ Of Ca (Sacramento, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each 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 Anna Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Thomas accept?
Health plans from CareSource list Anna Thomas 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.
When was this NPI record last updated?
The NPPES record for Anna Thomas was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Anna Kalathil Thomas, M.D. · NPI 1801070750
Pediatric Radiology physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since December 27, 2007.
## Identity
- **NPI:** 1801070750 (Entity type: Individual)
- **Enumerated:** December 27, 2007
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** A86701 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 231 E CHESTNUT ST, Louisville, KY 40202-1821
- **Phone:** (502) 629-7661 · **Fax:** (502) 629-5309
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Ut Lebonheur Pediatric Specialists, Inc. (NPI 1093024101, Memphis, TN); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2002
## Record status
- **NPPES last updated:** January 3, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1801070750) · Data from the CMS NPPES public registry.