Louis Brenner, M.D.
Nephrology Physician · Boston, MA
Louis Brenner, M.D. is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1306995956, issued on Jan 10, 2007. Check the license (Massachusetts 156361, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Louis Brenner
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 156361 MA
Self-reported in NPPES; status is on the state search - Practice location
- Brigham & Women's Hospital, Boston, MA 02115
- Phone
- (617) 732-6660
- Enumerated
- Jan 10, 2007
- Record last updated
- Aug 6, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041014000040); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at Brigham & Women's Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Lichtman, M.D.Anatomic Pathology Physician1538288782
Verify Louis Brenner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 156361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average nephrology physician in 2024
65 Medicare Part D claims for 14 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Bumetanide12 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.
Bills Medicare through one group practice
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Brenner among 417 nephrology physician records in Massachusetts
Louis Brenner, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1996 · median 2001 among the 295 with a school on file
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Joseph Bonventre, MD PHDBoston, MA 021151497709240
- Joseph Cheung, MDBoston, MA 021151710936083
- Mary Choi, M.D.Boston, MA 021151417920943
- Kenneth Christopher, MDBoston, MA 021151043295314
- Gary Curhan, MD SCDBoston, MA 021151457341679
- Dirk Hentschel, MDBoston, MA 021151093771495
- Li-Li Hsiao, MD PHDBoston, MA 021151790741916
- Julie Lin, MD MPHBoston, MA 021151558328872
Common questions
What is Louis Brenner, M.D.'s NPI number?
Louis Brenner, M.D.'s National Provider Identifier (NPI) is 1306995956, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Louis Brenner, M.D. located?
The NPPES record lists a practice address at Brigham & Women's Hospital, Boston, MA, 02115. Phone: (617) 732-6660. Providers update this record themselves, so call before visiting.
How can I verify Louis Brenner, M.D.'s license?
NPPES lists Massachusetts license number 156361, 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 Louis Brenner, M.D. prescribe under Medicare Part D?
In 2024, Louis Brenner, M.D. had 65 Medicare Part D claims for 14 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.