Bradley Spencer Messenger, MD
Clinical Cardiac Electrophysiology Physician · Riverside, CA
Bradley Spencer Messenger, MD is a clinical cardiac electrophysiology physician with a practice address in Riverside, California, and NPI 1356508170, issued on May 20, 2008. Check the license (California A111557, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bradley Spencer Messenger
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- A111557 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3770 Elizabeth St, Riverside, CA 92506
- Phone
- (951) 352-3937
- Enumerated
- May 20, 2008
- Record last updated
- Dec 5, 2023
- Fax
- (951) 352-2839
- Medicare enrollment
- Enrolled (PECOS I20111208000159); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2008
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 304 in California → Look up another NPI →
Also registered at 3770 Elizabeth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jatin Amin, MDCardiovascular Disease Physician1720021397
- Nader Attia, D.OCardiovascular Disease Physician1871790717
- Mimi Biswas, M.D., MHSCardiovascular Disease Physician1518970755
- Jeremy Cox, DOCardiovascular Disease Physician1972831618
- Nicole Hitomi, PA-CPhysician Assistant1841174992
- Ravinder Kahlon, M.D.Internal Medicine Physician1548695547
Verify Bradley Spencer Messenger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
2,204 Medicare Part D claims for 444 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Entresto315 claims
- Farxiga245 claims
- Eliquis200 claims
- Carvedilol161 claims
- Metoprolol Succinate149 claims
- Spironolactone149 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: $1,763.80
50 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 3,167 providers of this specialty with any payment received $10,651.37 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
- Cardiology Specialists Medical Group IncTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bradley Spencer Messenger among 304 clinical cardiac electrophysiology physician records in California
Bradley Spencer Messenger, MD is one of 304 clinical cardiac electrophysiology physician records with a practice address in California. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 32% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2008 · median 2002 among the 261 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in California
There are 304 clinical cardiac electrophysiology physician records in California.
All 304 in California → Every provider in Riverside → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Adnan Raza, M.D.Riverside, CA 925061124414479
- Waseemuddin Kazi, MDTemecula, CA 925921700835196
- Rod Partow-NavidSan Bernardino, CA 924081669827994
- Ramin Ashtiani, M.D.Victorville, CA 923951427004977
- Lamia Dris, M.D.Costa Mesa, CA 926261295990224
- Rodney Ranaei, D.O.Huntington Beach, CA 926481487730123
- Christopher ChenLaguna Hills, CA 926531700312840
- Paul Drury, M.D.Laguna Hills, CA 926531912199704
Common questions
What is Bradley Spencer Messenger, MD's NPI number?
Bradley Spencer Messenger, MD's National Provider Identifier (NPI) is 1356508170, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Bradley Spencer Messenger, MD located?
The NPPES record lists a practice address at 3770 Elizabeth St, Riverside, CA, 92506. Phone: (951) 352-3937. Providers update this record themselves, so call before visiting.
How can I verify Bradley Spencer Messenger, MD's license?
NPPES lists California license number A111557, 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 Bradley Spencer Messenger, MD prescribe under Medicare Part D?
In 2024, Bradley Spencer Messenger, MD had 2,204 Medicare Part D claims for 444 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.