John Passalaris, MD
NPI 1154351666 · Cardiovascular Disease Physician · Princeton, NJ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Passalaris, MD is a Cardiovascular Disease Physician provider in Princeton, NJ (NPI 1154351666).
Provider details
- NPI number
- 1154351666
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA07224100 (NJ)
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
19 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
3,494 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 | 1,010 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 718 | $95 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 527 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 380 | $134 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 131 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 476 | 148 |
| Atorvastatin Calcium | 357 | 102 |
| Apixabanbrand: Eliquis | 302 | 83 |
| Amlodipine Besylate | 290 | 91 |
| Rosuvastatin Calcium | 211 | 66 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 128 | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 2 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)
- 800 Bunn Dr.Suite 101Princeton, NJ 08540-1968Phone: (609) 921-2800Fax: (609) 921-3499
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2025-12-23
- Certified
- 2025-12-23
Frequently asked questions
- What is John Passalaris's NPI number?
- John Passalaris's National Provider Identifier (NPI) is 1154351666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Passalaris's specialty?
- John Passalaris is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Passalaris located?
- John Passalaris's practice location on file with NPPES is 389 Wall St, Princeton, NJ 08540-1516.
- What is John Passalaris's phone number?
- The practice phone number listed in the NPPES registry for John Passalaris is (609) 921-2800.
- Does John Passalaris accept Medicare?
- John Passalaris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Passalaris's NPI active?
- Yes — John Passalaris's NPI (1154351666) is active in the NPPES registry as of the last update on 2025-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.