Joseph A. Blatt, MD
Clinical Cardiac Electrophysiology Physician · La Jolla, CA
Joseph A. Blatt, MD is a clinical cardiac electrophysiology physician with a practice address in La Jolla, California, and NPI 1235242165, issued on Aug 16, 2006. Check the license (California A114521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Blatt
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- A114521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9834 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 334-2400
- Enumerated
- Aug 16, 2006
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (858) 334-2401
- Medicare enrollment
- Enrolled (PECOS I20110513000487); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 304 in California → Look up another NPI →
Also registered at 9834 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Timothy Bilash, M.D., M.S.Obstetrics & Gynecology Physician1437189545
- Mark Boiskin, M.D.Nephrology Physician1437154143
- Douglas Bolitho, M.D.Plastic Surgery Physician1740488196
- Kathleen Bulley, AUDAudiologist1477734960
Verify Joseph A. Blatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114521Check 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 clinical cardiac electrophysiology physician in 2024
938 Medicare Part D claims for 278 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Pradaxa188 claims
- Flecainide Acetate121 claims
- Sotalol94 claims
- Metoprolol Tartrate75 claims
- Metoprolol Succinate63 claims
- Eliquis42 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: $467.83
8 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. 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
- 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).
Joseph A. Blatt among 304 clinical cardiac electrophysiology physician records in California
Joseph A. Blatt, 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2000 · median 2002 among the 261 with a school on file
- Record last updated2021 · 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 La Jolla → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- David Cohen, M.D.La Jolla, CA 920371184955767
- Steven Higgins, MDLa Jolla, CA 920371881796134
- Nicholas Olson, MDLa Jolla, CA 920371295930915
- John Rogers, M.D.La Jolla, CA 920371326003823
- Wasiq SheikhLa Jolla, CA 920371588156608
- Wayne Whitwam, M.D.La Jolla, CA 920371114048741
- Navinder Sawhney, MDEscondido, CA 920291619174133
- Ali Hamzei, M.D.Encinitas, CA 920241376511188
Common questions
What is Joseph A. Blatt, MD's NPI number?
Joseph A. Blatt, MD's National Provider Identifier (NPI) is 1235242165, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Blatt, MD located?
The NPPES record lists a practice address at 9834 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 334-2400. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Blatt, MD's license?
NPPES lists California license number A114521, 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 A. Blatt, MD prescribe under Medicare Part D?
In 2024, Joseph A. Blatt, MD had 938 Medicare Part D claims for 278 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.