Louis Amorosa, MD
NPI 1265519383 · Endocrinology, Diabetes & Metabolism Physician · New Brunswick, NJ
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Amorosa, MD is a Endocrinology, Diabetes & Metabolism Physician provider in New Brunswick, NJ (NPI 1265519383).
Provider details
- NPI number
- 1265519383
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA03011300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
553 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 328 | $138 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 149 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $185 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 27 | $177 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $239 |
Typical Medicare-allowed amounts for these services range $77–$239 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 412 | 110 |
| Metformin Hcl | 240 | 72 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 175 | 50 |
| Atorvastatin Calcium | 174 | 56 |
| Semaglutidebrand: Ozempic | 130 | 35 |
| Levothyroxine Sodiumbrand: Synthroid | 125 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$364 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Louis Amorosa's NPI number?
- Louis Amorosa's National Provider Identifier (NPI) is 1265519383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Amorosa's specialty?
- Louis Amorosa is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Amorosa located?
- Louis Amorosa's practice location on file with NPPES is 125 Paterson St, New Brunswick, NJ 08901-1962.
- What is Louis Amorosa's phone number?
- The practice phone number listed in the NPPES registry for Louis Amorosa is (732) 235-7219.
- Does Louis Amorosa accept Medicare?
- Louis Amorosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Amorosa's NPI active?
- Yes — Louis Amorosa's NPI (1265519383) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.