Kassandra Viloria, MD
Hospitalist Physician · Plymouth, MA
Kassandra Viloria, MD is a hospitalist physician with a practice address in Plymouth, Massachusetts, and NPI 1912580267, issued on May 4, 2021. Check the license (Massachusetts 1017980, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kassandra Viloria
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 1017980 MA
Self-reported in NPPES; status is on the state search - Practice location
- 275 Sandwich St, Plymouth, MA 02360
- Phone
- (508) 830-2679
- Enumerated
- May 4, 2021
- Record last updated
- Jul 17, 2024
- Fax
- (508) 830-2702
- Medicare enrollment
- Enrolled (PECOS I20240628001431); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 525 in Massachusetts → Look up another NPI →
Also registered at 275 Sandwich St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charbel Abou Rjeily, MDInternal Medicine Physician1710175583
- Caroline Alpert, M.D.Internal Medicine Physician1831177260
- Ahmad AmmousHospitalist Physician1083119549
- Andis BalaNurse Practitioner1770154494
- Ronald Bardawil, M.D.Anatomic Pathology & Clinical Pathology Physician1336118595
- Randy BarnhardCertified Registered Nurse Anesthetist1811373855
Verify Kassandra Viloria in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1017980Check 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 hospitalist physician in 2024
150 Medicare Part D claims for 40 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Losartan Potassium17 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
- Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISPlymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kassandra Viloria among 525 hospitalist physician records in Massachusetts
Kassandra Viloria, MD is one of 525 hospitalist physician records with a practice address in Massachusetts. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 9% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2017 · median 2012 among the 449 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Massachusetts
There are 525 hospitalist physician records in Massachusetts.
All 525 in Massachusetts → Every provider in Plymouth → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ramla Abbas, M.D.Plymouth, MA 023601982193785
- Ahmad AmmousPlymouth, MA 023601083119549
- Collin Bergey, MDPlymouth, MA 023601336889567
- Kiera Cunningham, MDPlymouth, MA 023601841817764
- Tareq Islam, MDPlymouth, MA 023601275773079
- Hyun JungPlymouth, MA 023601902485154
- Yi Zhen Lee, M.D.Plymouth, MA 023601417482480
- Xinmiao Luo, M.D.Plymouth, MA 023601245935667
Common questions
What is Kassandra Viloria, MD's NPI number?
Kassandra Viloria, MD's National Provider Identifier (NPI) is 1912580267, issued on May 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kassandra Viloria, MD located?
The NPPES record lists a practice address at 275 Sandwich St, Plymouth, MA, 02360. Phone: (508) 830-2679. Providers update this record themselves, so call before visiting.
How can I verify Kassandra Viloria, MD's license?
NPPES lists Massachusetts license number 1017980, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kassandra Viloria, MD prescribe under Medicare Part D?
In 2024, Kassandra Viloria, MD had 150 Medicare Part D claims for 40 beneficiaries; the average among hospitalist physician prescribers was 521. 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.