THOMAS I. SWEET MD
NPI 1164581732
Internal Medicine - Hematology in San Diego, CA
About Thomas I. Sweet Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS I. SWEET MD (NPI 1164581732) is an individual hematology provider in San Diego, California, licensed in Wisconsin (82902) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Cambridge Medical Center, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses 3
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
Thomas I. Sweet 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.
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Sweet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Lamberton, MN 56152
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 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.
Areas of Expertise CMS Part B claims 22
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cambridge Medical Center
Acute Care Hospitals · Cambridge, MNAbbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNMercy Hospital
Acute Care Hospitals · Coon Rapids, MNNorthern Montana Hospital
Critical Access Hospitals · Havre, MTMile Bluff Medical Center
Acute Care Hospitals · Mauston, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92130 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Thomas Sweet's NPI number?
The NPI number for Thomas Sweet is 1164581732. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Thomas Sweet located?
Thomas Sweet practices at 13022 Seagrove St, San Diego, CA 92130. The listed phone number is (858) 350-9703.
What is Thomas Sweet's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Thomas Sweet enrolled in Medicare?
Yes. Thomas Sweet 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 Thomas Sweet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Sweet reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Allina Health System (Lamberton, MN). 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 Thomas Sweet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Sweet affiliated with any hospitals?
According to CMS data, Thomas Sweet is affiliated with Cambridge Medical Center, Abbott Northwestern Hospital, Mercy Hospital, Northern Montana Hospital and Mile Bluff Medical Center.
When was this NPI record last updated?
The NPPES record for Thomas Sweet was last updated on September 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.