Joseph Anthony Vassallo, M.D.
Cardiovascular Disease Physician · Chevy Chase, MD
Joseph Anthony Vassallo, M.D. is a cardiovascular disease physician with a practice address in Chevy Chase, Maryland, and NPI 1932106846, issued on Jul 7, 2005. Check the license (Maryland D33844, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joseph Anthony Vassallo
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- D33844 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5454 Wisconsin Ave, Chevy Chase, MD 20815
- Phone
- (301) 657-1682
- Enumerated
- Jul 7, 2005
- Record last updated
- Mar 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (301) 951-8036
- Medicare enrollment
- Enrolled (PECOS I20100525000078); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 613 in Maryland → Look up another NPI →
Also registered at 5454 Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edison Au, PTSpecialist1104922509
Verify Joseph Anthony Vassallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D33844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
6,718 Medicare Part D claims for 766 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium820 claims
- Metoprolol Succinate659 claims
- Amlodipine Besylate543 claims
- Eliquis486 claims
- Losartan Potassium369 claims
- Rosuvastatin Calcium304 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,314.92
57 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cardiology And Internal Medicine, PAChevy Chase, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Anthony Vassallo among 613 cardiovascular disease physician records in Maryland
Joseph Anthony Vassallo, M.D. is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1979 · median 1997 among the 389 with a school on file
- Record last updated2008 · 67% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 cardiovascular disease physician records list a practice address in Chevy Chase
They are 21 of the 1,118 NPPES records with a practice address in Chevy Chase, and 613 cardiovascular disease physician records in Maryland.
All 613 in Maryland → Every provider in Chevy Chase → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Deborah Barbour, M.D.Chevy Chase, MD 208151326045220
- William Battle, M.D.Chevy Chase, MD 208151972578748
- Edward Bodurian, M.D.Chevy Chase, MD 208151922042241
- Sean Dwyer, M.D.Chevy Chase, MD 208151346248044
- Gary Fisher, M.D.Chevy Chase, MD 208151144296757
- Jack Flyer, M.D.Chevy Chase, MD 208151871569483
- Martin Kanovsky, M.D.Chevy Chase, MD 208151568437333
- Morton Kavalier, M.D.Chevy Chase, MD 208151508863440
Common questions
What is Joseph Anthony Vassallo, M.D.'s NPI number?
Joseph Anthony Vassallo, M.D.'s National Provider Identifier (NPI) is 1932106846, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Anthony Vassallo, M.D. located?
The NPPES record lists a practice address at 5454 Wisconsin Ave, Chevy Chase, MD, 20815. Phone: (301) 657-1682. Providers update this record themselves, so call before visiting.
How can I verify Joseph Anthony Vassallo, M.D.'s license?
NPPES lists Maryland license number D33844, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Anthony Vassallo, M.D. prescribe under Medicare Part D?
In 2024, Joseph Anthony Vassallo, M.D. had 6,718 Medicare Part D claims for 766 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Joseph Anthony Vassallo, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.