Louis Weiss, MD,MPH
NPI 1144310996 · Infectious Disease Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Weiss, MD,MPH is a Infectious Disease Physician provider in Bronx, NY (NPI 1144310996).
Provider details
- NPI number
- 1144310996
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD,MPH
- Sex
- Male
- Sole proprietor
- No
- License
- 162009 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
28 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 28 | $117 |
Typical Medicare-allowed amounts for these services range $117–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 100 | 11 |
| Dolutegravir Sodiumbrand: Tivicay | 65 | — |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 56 | — |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 44 | — |
| Atorvastatin Calcium | 36 | — |
| Efavirenz/Emtricit/Tenofovr Dfbrand: Efavirenz-Emtric-Tenofov Disop | 34 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Weiss's NPI number?
- Louis Weiss's National Provider Identifier (NPI) is 1144310996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Weiss's specialty?
- Louis Weiss is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Weiss located?
- Louis Weiss's practice location on file with NPPES is Montefiore Medical Park, Bronx, NY 10461.
- What is Louis Weiss's phone number?
- The practice phone number listed in the NPPES registry for Louis Weiss is (866) 633-8255.
- Does Louis Weiss accept Medicare?
- Louis Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Weiss's NPI active?
- Yes — Louis Weiss's NPI (1144310996) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.