John Javien, MD
NPI 1740504356 · Cardiovascular Disease Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Javien, MD is a Cardiovascular Disease Physician provider in Long Beach, CA (NPI 1740504356).
Provider details
- NPI number
- 1740504356
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A121471 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
376 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 217 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 121 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 38 | $125 |
Typical Medicare-allowed amounts for these services range $9–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 22 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 52 | 12 |
| Amlodipine Besylate | 44 | 14 |
| Rosuvastatin Calcium | 36 | — |
| Tamsulosin Hcl | 31 | — |
| Nitroglycerin | 28 | — |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$408 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-25
- Last updated
- 2023-08-10
- Certified
- 2023-08-10
Frequently asked questions
- What is John Javien's NPI number?
- John Javien's National Provider Identifier (NPI) is 1740504356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Javien's specialty?
- John Javien is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Javien located?
- John Javien's practice location on file with NPPES is 1040 Elm Ave Ste 200, Long Beach, CA 90813-3266.
- What is John Javien's phone number?
- The practice phone number listed in the NPPES registry for John Javien is (562) 624-4999.
- Does John Javien accept Medicare?
- John Javien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Javien's NPI active?
- Yes — John Javien's NPI (1740504356) is active in the NPPES registry as of the last update on 2023-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.