Thomas Edward Diggs, M.D.
Cardiovascular Disease Physician · San Diego, CA
Thomas Edward Diggs, M.D. is a cardiovascular disease physician with a practice address in San Diego, California, and NPI 1962418889, issued on Jul 31, 2006. Check the license (California G56679, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Edward Diggs
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G56679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Washington St, San Diego, CA 92103
- Phone
- (619) 297-0014
- Enumerated
- Jul 31, 2006
- Record last updated
- Feb 14, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (619) 297-1014
- Medicaid IDs
- 00G566790 CA
00G566791 CA - Medicare enrollment
- Enrolled (PECOS I20050826000565); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 501 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derrick Allen, MDDiagnostic Radiology Physician1215982970
- Patrick Blake, MDDermatology Physician1871817312
- Lawrence Bogle, M.D.Diagnostic Radiology Physician1467403238
- Aracely Bonilla Navarrete, MDInternal Medicine Physician1922208032
- Daniel Bressler, M.D.Internal Medicine Physician1700887726
- Denise Brownlee, MDPediatrics Physician1073547477
Verify Thomas Edward Diggs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,576 Medicare Part D claims for 384 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Eliquis327 claims
- Metoprolol Succinate264 claims
- Losartan Potassium175 claims
- Furosemide137 claims
- Amlodipine Besylate132 claims
- Isosorbide Mononitrate Er128 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: $427.30
22 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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 3 group practices
- Emergency And Acute Care Medical CorporationCoronado, CA
- ON Call Specialists Medical Group OF San Diego IncSan Diego, CA
- Scripps Mercy Physicians Cardiology Medical CorporationSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Edward Diggs among 2,574 cardiovascular disease physician records in California
Thomas Edward Diggs, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 1999 among the 1,742 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in San Diego → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Daniel Blanchard, M.D.San Diego, CA 921031487684155
- Huei-Sheng Chen, MD, PHDSan Diego, CA 921031124044821
- Kiyon Chung, MDSan Diego, CA 921031972517910
- Bruno Cotter, M.D.San Diego, CA 921031205886389
- Lori Daniels, M.D.San Diego, CA 921031295755080
- Anthony Demaria, M.D.San Diego, CA 921031124043948
- Andrew Kahn, M.D.San Diego, CA 921031841247384
- Svetlana Katsev, M.D.San Diego, CA 921031750349866
Common questions
What is Thomas Edward Diggs, M.D.'s NPI number?
Thomas Edward Diggs, M.D.'s National Provider Identifier (NPI) is 1962418889, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Edward Diggs, M.D. located?
The NPPES record lists a practice address at 501 Washington St, San Diego, CA, 92103. Phone: (619) 297-0014. Providers update this record themselves, so call before visiting.
How can I verify Thomas Edward Diggs, M.D.'s license?
NPPES lists California license number G56679, 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 Edward Diggs, M.D. prescribe under Medicare Part D?
In 2024, Thomas Edward Diggs, M.D. had 2,576 Medicare Part D claims for 384 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.