Doctor profile · Federal record

Dr. Louis Maggio, M.D

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

  • NPI 1518929637
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
340 Wood RD
Braintree, MA 021842401
(781) 849-1111
fax (781) 794-2288

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #81562
Medicaid
MA #3144062

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518929637. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,294
Distinct HCPCS
10
Medicare allowed
$158,947
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 414 186 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 396 175 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 136 136 $142
99497 Advance care planning, first 30 minutes 85 85 $89
99495 Transitional care management services for problem of at least moderate complexity 46 37 $226
G0008 Administration of influenza virus vaccine 44 44 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 38 38 $76
99496 Transitional care management services for problem of high complexity 36 32 $306
99215 Established patient office or other outpatient visit, 40-54 minutes 28 27 $196
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 20 17 $16

In context: peer comparison

Among 17 peers in Braintree Internal Medicine Physician, average services per provider: 110. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,132
Transactions
64
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 17 $316.31
Novo Nordisk INC 18 $286.85
Tolmar, INC. 7 $123.67
Lilly USA, LLC 6 $103.97
E.R. Squibb & Sons, L.L.C. 4 $84.53
Pfizer INC. 4 $70.37
GlaxoSmithKline, LLC. 2 $34.19
Sumitomo Pharma America, INC. 1 $25.56
Boehringer Ingelheim Pharmaceuticals, INC. 1 $21.09
Mylan Specialty L.P. 1 $19.75
Janssen Pharmaceuticals, INC 1 $15.61
Exact Sciences Corporation 1 $15.41
Abbvie INC. 1 $14.63

By nature of payment

Food and Beverage
$1,132

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,177
Patients
509
Total drug cost
$165,003
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 374 95 $7,845
Oxycodone Hcl Generic 187 27 $6,723
Lisinopril Generic 183 49 $1,875
Amlodipine Besylate Generic 153 39 $1,157
Omeprazole Generic 144 40 $4,162
Levothyroxine Sodium Generic 139 32 $1,543
Gabapentin Generic 131 27 $1,719
Metoprolol Succinate Generic 129 34 $4,485
Ozempic (Semaglutide) Brand 119 15 $121,288
Pantoprazole Sodium Generic 115 26 $2,898

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Maggio's medical specialty?
Dr. Louis Maggio practices Internal Medicine Physician in Braintree, MA.
Where does Dr. Louis Maggio practice?
Dr. Louis Maggio practices at 340 Wood RD, Braintree, MA 021842401. Office phone: 7818491111.
What is Dr. Louis Maggio's NPI?
Dr. Louis Maggio's National Provider Identifier (NPI) is 1518929637, issued by NPPES.
Does Dr. Louis Maggio accept Medicare assignment?
Yes. Dr. Louis Maggio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Maggio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.