Wissam J. Khoory, M.D.
Internal Medicine Physician · Waltham, MA
Wissam J. Khoory, M.D. is an internal medicine physician with a practice address in Waltham, Massachusetts, and NPI 1013962430, issued on May 24, 2006. Check the license (Massachusetts 153969, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Wissam J. Khoory
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 153969 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Hope Ave, Waltham, MA 02453
- Phone
- (781) 893-4490
- Enumerated
- May 24, 2006
- Record last updated
- Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101020000826); may accept Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 20 Hope Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Abbott, CNMMidwife1881669265
- Brianna Bach, LMHCMental Health Counselor1922422385
- Heena Banker, M.D.Pediatrics Physician1972642494
- Bruce Becker, MDGastroenterology Physician1255312104
- John Caravolas, DDSPediatric Dentistry1538250659
- Michelle Cournoyer, P.A.-C.Physician Assistant1568605426
Verify Wissam J. Khoory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 153969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 82% of the cost of the top drugs
9,674 Medicare Part D claims for 1,456 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 259 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Atorvastatin Calcium695 claims
- Abrysvo453 claims
- Levothyroxine Sodium446 claims
- Lisinopril430 claims
- Metoprolol Succinate349 claims
- Amlodipine Besylate339 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.
Wissam J. Khoory among 6,825 internal medicine physician records in Massachusetts
Wissam J. Khoory, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 internal medicine physician records list a practice address in Waltham
They are 32 of the 2,111 NPPES records with a practice address in Waltham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Waltham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Denise Basow, M.D.Waltham, MA 024531609883255
- Edward Busick, M.D.Waltham, MA 024531467436931
- Rebecca Connor, M.D.Waltham, MA 024531598880379
- Barry Ehrlich, M.D.Waltham, MA 024531710934047
- Daniel Horn, MDWaltham, MA 024531780903971
- Henry Merola, M.D.Waltham, MA 024531902963986
- Mark Shankman, MDWaltham, MA 024531629028709
- Hadia Tirmizi, M.D.Waltham, MA 024531235124249
Common questions
What is Wissam J. Khoory, M.D.'s NPI number?
Wissam J. Khoory, M.D.'s National Provider Identifier (NPI) is 1013962430, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wissam J. Khoory, M.D. located?
The NPPES record lists a practice address at 20 Hope Ave, Waltham, MA, 02453. Phone: (781) 893-4490. Providers update this record themselves, so call before visiting.
How can I verify Wissam J. Khoory, M.D.'s license?
NPPES lists Massachusetts license number 153969, 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 Wissam J. Khoory, M.D. prescribe under Medicare Part D?
In 2024, Wissam J. Khoory, M.D. had 9,674 Medicare Part D claims for 1,456 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.