Gammal Hassanien, DO
NPI 1528262961 · Internal Medicine Physician · Paterson, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gammal Hassanien, DO is a Internal Medicine Physician provider in Paterson, NJ (NPI 1528262961).
Provider details
- NPI number
- 1528262961
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MB08213400 (NJ)
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
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
1,955 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 213 | $68 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 180 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $99 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 128 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 122 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 119 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 146 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 389 | 207 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 359 | 118 |
| Amlodipine Besylate | 209 | 125 |
| Levocetirizine Dihydrochloride | 191 | 98 |
| Omeprazole | 180 | 97 |
| Losartan Potassium | 162 | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,760 across 19 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
- 2007-06-11
- Last updated
- 2012-01-12
Frequently asked questions
- What is Gammal Hassanien's NPI number?
- Gammal Hassanien's National Provider Identifier (NPI) is 1528262961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gammal Hassanien's specialty?
- Gammal Hassanien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gammal Hassanien located?
- Gammal Hassanien's practice location on file with NPPES is 606 Broadway, Paterson, NJ 07514-1916.
- What is Gammal Hassanien's phone number?
- The practice phone number listed in the NPPES registry for Gammal Hassanien is (973) 523-4000.
- Does Gammal Hassanien accept Medicare?
- Gammal Hassanien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gammal Hassanien's NPI active?
- Yes — Gammal Hassanien's NPI (1528262961) is active in the NPPES registry as of the last update on 2012-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.