Sirajul Hasan, DO
NPI 1144561499 · Psychiatry Physician · Washington, DC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sirajul Hasan, DO is a Psychiatry Physician provider in Washington, DC (NPI 1144561499).
Provider details
- NPI number
- 1144561499
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 164 | 24 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 129 | 13 |
| Olanzapine | 103 | 13 |
| Clozapine | 96 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 80 | — |
| Risperidone | 75 | 11 |
| Benztropine Mesylate | 74 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-12
- Last updated
- 2023-06-09
- Certified
- 2023-06-09
Frequently asked questions
- What is Sirajul Hasan's NPI number?
- Sirajul Hasan's National Provider Identifier (NPI) is 1144561499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sirajul Hasan's specialty?
- Sirajul Hasan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sirajul Hasan located?
- Sirajul Hasan's practice location on file with NPPES is 1100 Alabama Ave Se, Washington, DC 20032-4540.
- What is Sirajul Hasan's phone number?
- The practice phone number listed in the NPPES registry for Sirajul Hasan is (636) 346-2792.
- Does Sirajul Hasan accept Medicare?
- Sirajul Hasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sirajul Hasan's NPI active?
- Yes — Sirajul Hasan's NPI (1144561499) is active in the NPPES registry as of the last update on 2023-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.