Joseph John Cadden, M.D.
Infectious Disease Physician · Los Angeles, CA
Joseph John Cadden, M.D. is an infectious disease physician with a practice address in Los Angeles, California, and NPI 1881640399, issued on May 26, 2006. Check the license (California A63095, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph John Cadden
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A63095 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 226-7504
- Enumerated
- May 26, 2006
- Record last updated
- Mar 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (323) 226-7726
- Medicaid ID
- 00A630950 CA
- Medicare enrollment
- Enrolled (PECOS I20050915000296); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 1520 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph John Cadden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.6 times the Medicare Part D claims of the average infectious disease physician in 2024
3,847 Medicare Part D claims for 312 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium299 claims
- Metformin Hcl278 claims
- Amlodipine Besylate189 claims
- Pantoprazole Sodium142 claims
- Amlodipine Besylate-Benazepril131 claims
- Jardiance117 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: $33.78
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. 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 2 group practices
- Bartz-Altadonna Community Health CenterLancaster, CA
- Comprehensive Community Health Centers IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph John Cadden among 1,119 infectious disease physician records in California
Joseph John Cadden, M.D. 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
- Graduated1993 · median 2003 among the 735 with a school on file
- Record last updated2014 · 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 Los Angeles → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Rachel Baden, M.D.Los Angeles, CA 900331750329975
- Michael Dube, M.D.Los Angeles, CA 900331134185887
- Peter Geiseler, M.D.Los Angeles, CA 900331760418016
- Paul Holtom, M.D.Los Angeles, CA 900331851300032
- Shaker Itani, M.D.Los Angeles, CA 900331538193826
- Brenda JonesLos Angeles, CA 900331205981982
- Jens KortLos Angeles, CA 900331164577854
- Robert LarsenLos Angeles, CA 900331285789958
Common questions
What is Joseph John Cadden, M.D.'s NPI number?
Joseph John Cadden, M.D.'s National Provider Identifier (NPI) is 1881640399, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph John Cadden, M.D. located?
The NPPES record lists a practice address at 1520 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 226-7504. Providers update this record themselves, so call before visiting.
How can I verify Joseph John Cadden, M.D.'s license?
NPPES lists California license number A63095, 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 Joseph John Cadden, M.D. prescribe under Medicare Part D?
In 2024, Joseph John Cadden, M.D. had 3,847 Medicare Part D claims for 312 beneficiaries; 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.