Mohammad Hirzallah, M.D., M.SC.
NPI 1922440981 · Neurocritical Care Physician · Houston, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohammad Hirzallah, M.D., M.SC. is a Neurocritical Care Physician provider in Houston, TX (NPI 1922440981).
Provider details
- NPI number
- 1922440981
- Entity type
- Individual
- Primary specialty
- Neurocritical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.SC.
- Sex
- Male
- Sole proprietor
- Yes
- License
- S0905 (TX)
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
285 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 35 Minutes99232 | 99 | $79 |
| Critical Care, First 30-74 Minutes99291 | 56 | $214 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 52 | $173 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 32 | $50 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $119 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 |
Practice location
Mailing address
Additional practice locations (1)
- 6431 Fannin StSuite 7.044Houston, TX 77030-1501Phone: (713) 500-7100
Registry dates
- Enumerated
- 2013-07-18
- Last updated
- 2023-10-31
- Certified
- 2023-10-31
Frequently asked questions
- What is Mohammad Hirzallah's NPI number?
- Mohammad Hirzallah's National Provider Identifier (NPI) is 1922440981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohammad Hirzallah's specialty?
- Mohammad Hirzallah is listed in the NPPES registry with a primary specialty of Neurocritical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Mohammad Hirzallah located?
- Mohammad Hirzallah's practice location on file with NPPES is 6720 Bertner Ave, Houston, TX 77030-2604.
- What is Mohammad Hirzallah's phone number?
- The practice phone number listed in the NPPES registry for Mohammad Hirzallah is (713) 240-9204.
- Does Mohammad Hirzallah accept Medicare?
- Mohammad Hirzallah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohammad Hirzallah's NPI active?
- Yes — Mohammad Hirzallah's NPI (1922440981) is active in the NPPES registry as of the last update on 2023-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.