Theodoros Fotiou Katsivas, MD
Infectious Disease Physician · San Diego, CA
Theodoros Fotiou Katsivas, MD is an infectious disease physician with a practice address in San Diego, California, and NPI 1679526164, issued on May 18, 2006. Check the license (California A78543, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theodoros Fotiou Katsivas
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A78543 CA
Self-reported in NPPES; status is on the state search - Practice location
- 405 W Robinson Ave, San Diego, CA 92103
- Phone
- (619) 379-8664
- Enumerated
- May 18, 2006
- Record last updated
- Feb 10, 2025
- Fax
- (619) 927-8756
- Medicaid ID
- 00A785430 CA
- Medicare enrollment
- Enrolled (PECOS I20050304000224); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Theodoros Fotiou Katsivas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average infectious disease physician in 2024
33 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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: $25.27
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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 one group practice
- Bay Area Community HealthFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodoros Fotiou Katsivas among 1,119 infectious disease physician records in California
Theodoros Fotiou Katsivas, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in San Diego → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Saima Aslam, M.D.San Diego, CA 921031477565257
- Constance Benson, M.D.San Diego, CA 921031871541664
- Ajay Bharti, MDSan Diego, CA 921031902954910
- Sara Browne, M.DSan Diego, CA 921031275571176
- Joshua Fierer, M.D.San Diego, CA 921031871525584
- William Mathews, M.D.San Diego, CA 921031194773259
- Kalpana Natrajan, M.D.San Diego, CA 921031770686834
- David Pride, MD, PHDSan Diego, CA 921031194875526
Common questions
What is Theodoros Fotiou Katsivas, MD's NPI number?
Theodoros Fotiou Katsivas, MD's National Provider Identifier (NPI) is 1679526164, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodoros Fotiou Katsivas, MD located?
The NPPES record lists a practice address at 405 W Robinson Ave, San Diego, CA, 92103. Phone: (619) 379-8664. Providers update this record themselves, so call before visiting.
How can I verify Theodoros Fotiou Katsivas, MD's license?
NPPES lists California license number A78543, 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 Theodoros Fotiou Katsivas, MD prescribe under Medicare Part D?
In 2024, Theodoros Fotiou Katsivas, MD had 33 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.