Doctor profile · Federal record

Dr. Wissam Khoory, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Waltham, MA

  • NPI 1013962430
  • 31 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 Hope Ave, Suite G03
Waltham, MA 024532721
(781) 893-4490

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 5, 2012
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #153969

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013962430. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,866
Distinct HCPCS
10
Medicare allowed
$215,432
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 628 354 $134
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 351 351 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 346 210 $95
G0008 Administration of influenza virus vaccine 153 152 $34
90662 Influenza vaccine split virus, preservative free 136 135 $72
99204 New patient office or other outpatient visit, 45-59 minutes 66 66 $173
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 45 45 $282
G0009 Administration of pneumococcal vaccine 45 45 $34
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 27 22 $55
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 24 24 $172

In context: peer comparison

Among 11 peers in Waltham Internal Medicine Physician, average services per provider: 70. This provider delivers 27× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,163
Patients
2,005
Total drug cost
$425,644
Drug Type Claims Patients Total cost
Abrysvo (Rsv Vacc, Pref A and Pref B/Pf) Brand 889 889 $292,249
Atorvastatin Calcium Generic 529 155 $11,168
Shingrix (Varicella-Zoster Ge/As01b/Pf) Brand 371 278 $79,535
Lisinopril Generic 347 97 $4,762
Levothyroxine Sodium Generic 315 91 $5,316
Metoprolol Succinate Generic 288 85 $8,499
Amlodipine Besylate Generic 257 78 $2,816
Omeprazole Generic 218 68 $5,250
Lorazepam Generic 184 42 $1,052
Simvastatin Generic 154 45 $2,144

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wissam Khoory's medical specialty?
Dr. Wissam Khoory practices Internal Medicine Physician in Waltham, MA.
Where does Dr. Wissam Khoory practice?
Dr. Wissam Khoory practices at 20 Hope Ave, Waltham, MA 024532721. Office phone: 7818934490.
What is Dr. Wissam Khoory's NPI?
Dr. Wissam Khoory's National Provider Identifier (NPI) is 1013962430, issued by NPPES.
Does Dr. Wissam Khoory accept Medicare assignment?
Dr. Wissam Khoory does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Wissam Khoory commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.