GREESHMA ANNA THOMAS MD
NPI 1457054025
Hospitalist in Sacramento, CA
About Greeshma Anna Thomas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREESHMA ANNA THOMAS MD (NPI 1457054025) is an individual hospitalist provider in Sacramento, California, licensed in California (207963) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Greeshma Anna Thomas Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Greeshma Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95823 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SACRAMENTO, CA 95823
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 Greeshma Thomas's NPI number?
The NPI number for Greeshma Thomas is 1457054025. It was assigned to this individual provider in the NPPES registry on March 23, 2023.
Where is Greeshma Thomas located?
Greeshma Thomas practices at 6600 Bruceville Rd, Sacramento, CA 95823. The listed phone number is (916) 688-2000.
What is Greeshma Thomas's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Greeshma Thomas enrolled in Medicare?
Yes. Greeshma Thomas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Greeshma Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greeshma Thomas reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). 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 Greeshma Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Greeshma Thomas was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Greeshma Anna Thomas, MD · NPI 1457054025
Hospitalist physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since March 23, 2023.
## Identity
- **NPI:** 1457054025 (Entity type: Individual)
- **Enumerated:** March 23, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 207963 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6600 BRUCEVILLE RD, Sacramento, CA 95823-4671
- **Phone:** (916) 688-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457054025) · Data from the CMS NPPES public registry.