John Fontaine, MD
Cardiovascular Disease Physician · Philadelphia, PA
John Fontaine, MD is a cardiovascular disease physician with a practice address in Philadelphia, Pennsylvania, and NPI 1811945017, issued on May 4, 2006. Check the license (Pennsylvania MD042292L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Fontaine
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD042292L PA
Self-reported in NPPES; status is on the state search - Practice location
- 219 N Broad St, Philadelphia, PA 19107
- Phone
- (215) 762-5080
- Enumerated
- May 4, 2006
- Record last updated
- Sep 13, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (215) 561-8071
- Medicaid ID
- 001214146 PA
- Medicare enrollment
- Enrolled (PECOS I20061128000024); accepts Medicare assignment
- Medical or professional school
- Rutgers, Robert Woood Johnson Medical School, 1979
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 219 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- George Amrom, MDSurgery Physician1104879048
- Lenore Asbel, M.D.Infectious Disease Physician1639128655
Verify John Fontaine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD042292LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
888 Medicare Part D claims for 279 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Eliquis94 claims
- Metoprolol Succinate74 claims
- Flecainide Acetate65 claims
- Clopidogrel45 claims
- Losartan Potassium44 claims
- Xarelto43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Fontaine among 1,476 cardiovascular disease physician records in Pennsylvania
John Fontaine, MD is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1979 · median 2000 among the 1,003 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Pennsylvania
There are 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Philadelphia → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Sung-Hae Cho, MDPhiladelphia, PA 191071568494375
- Ira Cohen, MDPhiladelphia, PA 191071972508539
- Danielle Duffy, M.D.Philadelphia, PA 191071427094697
- Paulina Gorodin, MDPhiladelphia, PA 191071609821446
- Syed Hasni, MDPhiladelphia, PA 191071477594083
- Anish Koka, MDPhiladelphia, PA 191071740236124
- Peter Kurnik, MDPhiladelphia, PA 191071396703716
- William Kussmaul, MDPhiladelphia, PA 191071457325813
Common questions
What is John Fontaine, MD's NPI number?
John Fontaine, MD's National Provider Identifier (NPI) is 1811945017, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Fontaine, MD located?
The NPPES record lists a practice address at 219 N Broad St, Philadelphia, PA, 19107. Phone: (215) 762-5080. Providers update this record themselves, so call before visiting.
How can I verify John Fontaine, MD's license?
NPPES lists Pennsylvania license number MD042292L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Fontaine, MD prescribe under Medicare Part D?
In 2024, John Fontaine, MD had 888 Medicare Part D claims for 279 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.