Hardawan Hassan, MD
NPI 1861855991 · Internal Medicine Physician · Trenton, NJ
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hardawan Hassan, MD is a Internal Medicine Physician provider in Trenton, NJ (NPI 1861855991).
Provider details
- NPI number
- 1861855991
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101267109 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
819 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 400 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 156 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 134 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 84 | $163 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 16 | $45 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 94 | 45 |
| Amlodipine Besylate | 85 | 36 |
| Atorvastatin Calcium | 66 | 28 |
| Nitroglycerin | 47 | 33 |
| Metoprolol Tartrate | 39 | 14 |
| Carvedilol | 38 | 18 |
| Hydralazine Hcl | 37 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-05
- Last updated
- 2021-05-10
- Certified
- 2021-05-10
Frequently asked questions
- What is Hardawan Hassan's NPI number?
- Hardawan Hassan's National Provider Identifier (NPI) is 1861855991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hardawan Hassan's specialty?
- Hardawan Hassan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hardawan Hassan located?
- Hardawan Hassan's practice location on file with NPPES is 750 Brunswick Ave, Trenton, NJ 08638-4143.
- What is Hardawan Hassan's phone number?
- The practice phone number listed in the NPPES registry for Hardawan Hassan is (609) 394-6031.
- Does Hardawan Hassan accept Medicare?
- Hardawan Hassan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hardawan Hassan's NPI active?
- Yes — Hardawan Hassan's NPI (1861855991) is active in the NPPES registry as of the last update on 2021-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.