Doctor profile · Federal record

Dr. Marc Mansour, MD

Internal Medicine Physician (CMS: Internal Medicine) · South Weymouth, MA

  • NPI 1417934522
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
541 Main St, Suite 210
South Weymouth, MA 021901868
(781) 952-1280
fax (781) 952-1570

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 13, 2014
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #74727
Medicaid
MA #3107051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417934522. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,442
Distinct HCPCS
10
Medicare allowed
$319,700
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 1,340 798 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 626 467 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 611 460 $139
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 600 600 $142
93793 Anticoagulant management of patient taking warfarin 306 35 $13
G0008 Administration of influenza virus vaccine 160 158 $34
90662 Influenza vaccine split virus, preservative free 148 147 $68
85610 Blood test, clotting time 130 16 $4
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 122 18 $27
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 98 94 $7

In context: peer comparison

Among 11 peers in South Weymouth Internal Medicine Physician, average services per provider: 150. This provider delivers 30× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,028
Patients
2,020
Total drug cost
$113,818
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,358 403 $31,011
Lisinopril Generic 1,036 292 $10,616
Amlodipine Besylate Generic 561 159 $4,667
Simvastatin Generic 448 126 $5,267
Levothyroxine Sodium Generic 439 123 $6,961
Omeprazole Generic 427 117 $10,528
Metformin Hcl Generic 400 117 $4,036
Losartan Potassium Generic 357 112 $5,699
Hydrochlorothiazide Generic 351 110 $1,655
Metoprolol Succinate Generic 323 95 $9,409

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Mansour's medical specialty?
Dr. Marc Mansour practices Internal Medicine Physician in South Weymouth, MA.
Where does Dr. Marc Mansour practice?
Dr. Marc Mansour practices at 541 Main St, South Weymouth, MA 021901868. Office phone: 7819521280.
What is Dr. Marc Mansour's NPI?
Dr. Marc Mansour's National Provider Identifier (NPI) is 1417934522, issued by NPPES.
Does Dr. Marc Mansour accept Medicare assignment?
Yes. Dr. Marc Mansour accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Mansour commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.