John Fontaine, MD
NPI 1811945017 · Cardiovascular Disease Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Fontaine, MD is a Cardiovascular Disease Physician provider in Philadelphia, PA (NPI 1811945017).
Provider details
- NPI number
- 1811945017
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD042292L (PA)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 94 | 36 |
| Metoprolol Succinate | 74 | 42 |
| Flecainide Acetate | 65 | 34 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 45 | 24 |
| Losartan Potassium | 44 | 17 |
| Rivaroxabanbrand: Xarelto | 43 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2016-09-13
Frequently asked questions
- What is John Fontaine's NPI number?
- John Fontaine's National Provider Identifier (NPI) is 1811945017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Fontaine's specialty?
- John Fontaine is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Fontaine located?
- John Fontaine's practice location on file with NPPES is 219 N Broad St, Philadelphia, PA 19107-1519.
- What is John Fontaine's phone number?
- The practice phone number listed in the NPPES registry for John Fontaine is (215) 762-5080.
- Does John Fontaine accept Medicare?
- John Fontaine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Fontaine's NPI active?
- Yes — John Fontaine's NPI (1811945017) is active in the NPPES registry as of the last update on 2016-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.