Thomas I. Sweet, MD
Hematology (Internal Medicine) Physician · San Diego, CA
Thomas I. Sweet, MD is a hematology (internal medicine) physician with a practice address in San Diego, California, and NPI 1164581732, issued on Dec 8, 2006. Check the license (California G56181, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas I. Sweet
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- G56181 CA
82902 WI
Self-reported in NPPES; status is on the state search - Practice location
- 13022 Seagrove St, San Diego, CA 92130
- Phone
- (858) 350-9703
- Enumerated
- Dec 8, 2006
- Record last updated
- Sep 26, 2025
- Medicare enrollment
- Enrolled (PECOS I20080603000844); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 175 in California → Look up another NPI →
Verify Thomas I. Sweet in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
272 Medicare Part D claims for 101 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 19 claims were for opioids.
Most prescribed
- Prednisone50 claims
- Abiraterone Acetate31 claims
- Ondansetron Hcl24 claims
- Dexamethasone21 claims
- Anastrozole15 claims
- Bicalutamide15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,500.00
1 payment: honoraria; the largest payer was Pharmacosmos Therapeutics Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Allina Health SystemCambridge, MN
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas I. Sweet among 175 hematology (internal medicine) physician records in California
Thomas I. Sweet, MD is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1984 · median 2006 among the 135 with a school on file
- Record last updated2025 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in California
There are 175 hematology (internal medicine) physician records in California.
All 175 in California → Every provider in San Diego → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Donald Newman, M.D.San Diego, CA 921231013928803
- John Adamson, MDSan Diego, CA 921221477504801
- Ellen CusanoSan Diego, CA 921211295599447
- Edward Libby, MDSan Diego, CA 921211417978651
- Edward Ball, M.D.San Diego, CA 921031093740110
- Carlos Carrera, M.D.San Diego, CA 921031417050345
- Ling Huang, MDSan Diego, CA 921031053930735
- Tammarah SklarzLa Jolla, CA 920371013570241
Common questions
What is Thomas I. Sweet, MD's NPI number?
Thomas I. Sweet, MD's National Provider Identifier (NPI) is 1164581732, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas I. Sweet, MD located?
The NPPES record lists a practice address at 13022 Seagrove St, San Diego, CA, 92130. Phone: (858) 350-9703. Providers update this record themselves, so call before visiting.
How can I verify Thomas I. Sweet, MD's license?
NPPES lists California license number G56181, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas I. Sweet, MD prescribe under Medicare Part D?
In 2024, Thomas I. Sweet, MD had 272 Medicare Part D claims for 101 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.