Jaan Hasan
NPI 1144883075 · Emergency Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaan Hasan is a Emergency Medicine Physician provider in Oakland, CA (NPI 1144883075).
Provider details
- NPI number
- 1144883075
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A184752 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 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
1,242 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 414 | $184 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 378 | $9 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 214 | $7 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 75 | $127 |
| Critical Care, Each Additional 30 Minutes99292 | 75 | $116 |
| Critical Care, First 30-74 Minutes99291 | 74 | $230 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 43 | 43 |
| Cefdinir | 25 | 25 |
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 24 |
| Cephalexin | 18 | 18 |
| Famotidine | 16 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-16
- Last updated
- 2023-06-21
- Certified
- 2023-06-21
Frequently asked questions
- What is Jaan Hasan's NPI number?
- Jaan Hasan's National Provider Identifier (NPI) is 1144883075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaan Hasan's specialty?
- Jaan Hasan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jaan Hasan located?
- Jaan Hasan's practice location on file with NPPES is 350 Hawthorne Ave, Oakland, CA 94609-3108.
- What is Jaan Hasan's phone number?
- The practice phone number listed in the NPPES registry for Jaan Hasan is (510) 655-4000.
- Does Jaan Hasan accept Medicare?
- Jaan Hasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaan Hasan's NPI active?
- Yes — Jaan Hasan's NPI (1144883075) is active in the NPPES registry as of the last update on 2023-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.