Doctor profile · Federal record

Dr. Louis Brenner, M.D.

Nephrology Physician (CMS: Nephrology) · Boston, MA

  • NPI 1306995956
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Brigham & Women's Hospital, 75 Francis Street
Boston, MA 02115
(617) 732-6660
Mailing address
111 Cypress St
Brookline, MA 024456002

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 6, 2012
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #156361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306995956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
1
Medicare allowed
$4,438
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 25 $101

In context: peer comparison

Among 73 peers in this city , average services per provider: 137. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
0
Total drug cost
$379
Drug Type Claims Patients Total cost
Calcitriol Generic 20 0 $379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Brenner's medical specialty?
Dr. Louis Brenner practices Nephrology Physician in Boston, MA.
Where does Dr. Louis Brenner practice?
Dr. Louis Brenner practices at Brigham & Women's Hospital, Boston, MA 02115. Office phone: 6177326660.
What is Dr. Louis Brenner's NPI?
Dr. Louis Brenner's National Provider Identifier (NPI) is 1306995956, issued by NPPES.
Does Dr. Louis Brenner accept Medicare assignment?
Yes. Dr. Louis Brenner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Brenner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.