Hassan Hashm
NPI 1528589405 · Pulmonary Disease Physician · Orange, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hassan Hashm is a Pulmonary Disease Physician provider in Orange, CA (NPI 1528589405).
Provider details
- NPI number
- 1528589405
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20A22584 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
642 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 310 | $226 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 191 | $123 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $179 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $83 |
| Ultrasound of Heart, Follow-Up93308 | 26 | $27 |
| Ultrasound Scan of Chest76604 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 1 record (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
- 2017-06-30
- Last updated
- 2026-01-27
- Certified
- 2026-01-27
Frequently asked questions
- What is Hassan Hashm's NPI number?
- Hassan Hashm's National Provider Identifier (NPI) is 1528589405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hassan Hashm's specialty?
- Hassan Hashm is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Hassan Hashm located?
- Hassan Hashm's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Hassan Hashm's phone number?
- The practice phone number listed in the NPPES registry for Hassan Hashm is (800) 465-3203.
- Does Hassan Hashm accept Medicare?
- Hassan Hashm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hassan Hashm's NPI active?
- Yes — Hassan Hashm's NPI (1528589405) is active in the NPPES registry as of the last update on 2026-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.