John Tsakonas, M.D.
NPI 1851384499 · Cardiovascular Disease Physician · Encino, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tsakonas, M.D. is a Cardiovascular Disease Physician provider in Encino, CA (NPI 1851384499).
Provider details
- NPI number
- 1851384499
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G62791 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,807 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 Report93000 | 392 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 271 | $200 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 251 | $226 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 180 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 139 | $144 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 311 | 99 |
| Atorvastatin Calcium | 159 | 50 |
| Apixabanbrand: Eliquis | 122 | 38 |
| Furosemide | 102 | 37 |
| Rosuvastatin Calcium | 63 | 21 |
| Amlodipine Besylate | 55 | 24 |
| Carvedilol | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 4 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
Additional practice locations (1)
- 10921 Wilshire Blvd Ste 1205Los Angeles, CA 90024-4005Phone: (310) 824-3378Fax: (310) 208-2870
Registry dates
- Enumerated
- 2005-08-30
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is John Tsakonas's NPI number?
- John Tsakonas's National Provider Identifier (NPI) is 1851384499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tsakonas's specialty?
- John Tsakonas is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Tsakonas located?
- John Tsakonas's practice location on file with NPPES is 16542 Ventura Blvd, Encino, CA 91436-2005.
- What is John Tsakonas's phone number?
- The practice phone number listed in the NPPES registry for John Tsakonas is (818) 782-5041.
- Does John Tsakonas accept Medicare?
- John Tsakonas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tsakonas's NPI active?
- Yes — John Tsakonas's NPI (1851384499) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.