Louis Marc Weiner, M.D.
Specialist · Washington, DC
Louis Marc Weiner, M.D. is a specialist with a practice address in Washington, District of Columbia, and NPI 1205859931, issued on Jul 25, 2006. Check the license with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Louis Marc Weiner
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- MD031312E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3970 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 687-2110
- Enumerated
- Jul 25, 2006
- Record last updated
- Aug 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (202) 687-6402
- Medicare enrollment
- Enrolled (PECOS I20090601000162); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1977
- Entity
- Type 1 · individual
8 nearest specialist records → All 151 in District of Columbia → Look up another NPI →
Also registered at 3970 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geoffrey Gibney, MDInternal Medicine Physician1164696878
Verify Louis Marc Weiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
24 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Xermelo12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $56.34
1 payment: food and beverage; the largest payer was BioXcel Therapeutics, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Marc Weiner among 151 specialist records in District of Columbia
Louis Marc Weiner, M.D. is one of 151 specialist records with a practice address in District of Columbia. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1977 · median 1990 among the 14 with a school on file
- Record last updated2010 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in District of Columbia
There are 151 specialist records in District of Columbia.
All 151 in District of Columbia → Every provider in Washington → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Christine AnninosWashington, DC 200071669840716
- Juliana Bonilla, M.S. OTR/LWashington, DC 200071376899435
- Kimberly Clawson, MDWashington, DC 200071457885832
- Aimee Danielson, PHDWashington, DC 200071871770388
- Matthew Harris, M.D.Washington, DC 200071023001625
- Angela Levy, M.D.Washington, DC 200071023093226
- Meghan Miller, AUDWashington, DC 200071548450331
- Noele Nelson, MDWashington, DC 200071295929693
Common questions
What is Louis Marc Weiner, M.D.'s NPI number?
Louis Marc Weiner, M.D.'s National Provider Identifier (NPI) is 1205859931, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Marc Weiner, M.D. located?
The NPPES record lists a practice address at 3970 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 687-2110. Providers update this record themselves, so call before visiting.
How can I verify Louis Marc Weiner, M.D.'s license?
Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Louis Marc Weiner, M.D. prescribe under Medicare Part D?
In 2024, Louis Marc Weiner, M.D. had 24 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Louis Marc Weiner, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.