Physician Profile
Unclaimed ProfileAbout TIONGSON
Based in Mission Viejo, CA, Jay E. Tiongson, M.D. is listed in the NPI registry under cardiac electrophysiology. Jay graduated from Loyola University of Chicago, Stritch School of Medicine in 2002. Jay is also listed as specializing in internal medicine and clinical cardiac electrophysiology. According to Medicare claims data, Jay cared for 3,250 Medicare patients across 6,635 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 364-3570
- Email not available
Practice Locations
26800 CROWN VALLEY PKWY SUITE 250
Mission Viejo, CA 92691
Procedures Most Often Billed to Medicare
6,635 services · 3,250 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of heart rhythm monitor under skin | Procedure | 33285 |
35 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | Treatment | 93298 |
1,219 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
780 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | Treatment | 93296 |
666 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | Treatment | 93294 |
536 |
| Programming of dual lead pacemaker system | Treatment | 93280 |
401 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | Treatment | 93295 |
131 |
| External shock to heart to regulate heart beat | Treatment | 92960 |
81 |
| Anticoagulant management of patient taking warfarin | Treatment | 93793 |
79 |
| Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation | Treatment | 93656 |
71 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiac electrophysiology specialists in Mission Viejo 2
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2002 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of heart rhythm monitor under skin 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Tiongson?
Dr. Tiongson is a cardiac electrophysiology in Mission Viejo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIAC ELECTROPHYSIOLOGY”.
NPI registry
What is Dr. Tiongson's address?
Dr. Tiongson is listed at 26800 CROWN VALLEY PKWY SUITE 250, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tiongson?
The number on file is (949) 364-3570. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tiongson's NPI number?
Dr. Tiongson's National Provider Identifier is 1609082312. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Tiongson train?
Dr. Tiongson attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tiongson been practicing?
Dr. Tiongson has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Tiongson perform?
According to Medicare billing data, Dr. Tiongson performs procedures including insertion of heart rhythm monitor under skin; provides treatments such as evaluation of cardiac rhythm monitor system, remote up to 30 days and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tiongson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tiongson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.