Nisar Hussain, M.D.
NPI 1851377089 · Internal Medicine Physician · Brownsville, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nisar Hussain, M.D. is a Internal Medicine Physician provider in Brownsville, TX (NPI 1851377089).
Provider details
- NPI number
- 1851377089
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L6071 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
3,065 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,159 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 295 | $118 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 222 | $10 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 211 | $49 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 189 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 672 | 178 |
| Losartan Potassium | 599 | 151 |
| Metformin Hcl | 492 | 119 |
| Levothyroxine Sodium | 406 | 85 |
| Amlodipine Besylate | 395 | 95 |
| Semaglutidebrand: Ozempic | 380 | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 3 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
- 2005-12-20
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Nisar Hussain's NPI number?
- Nisar Hussain's National Provider Identifier (NPI) is 1851377089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nisar Hussain's specialty?
- Nisar Hussain is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nisar Hussain located?
- Nisar Hussain's practice location on file with NPPES is 191 East Price Rd, Brownsville, TX 78521-2908.
- What is Nisar Hussain's phone number?
- The practice phone number listed in the NPPES registry for Nisar Hussain is (956) 621-3593.
- Does Nisar Hussain accept Medicare?
- Nisar Hussain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nisar Hussain's NPI active?
- Yes — Nisar Hussain's NPI (1851377089) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.