Muhammad Asim Siddique, MD
NPI 1598944308 · Critical Care Medicine (Internal Medicine) Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Asim Siddique, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Houston, TX (NPI 1598944308).
Provider details
- NPI number
- 1598944308
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36117530 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 tenure28% of score
18 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
114 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 92 | $216 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 22 | $121 |
Typical Medicare-allowed amounts for these services range $121–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 6720 Bertner AveHouston, TX 77030-2604Phone: (713) 798-1000
Registry dates
- Enumerated
- 2007-10-29
- Last updated
- 2025-12-03
- Certified
- 2025-12-03
Frequently asked questions
- What is Muhammad Asim Siddique's NPI number?
- Muhammad Asim Siddique's National Provider Identifier (NPI) is 1598944308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Asim Siddique's specialty?
- Muhammad Asim Siddique is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Asim Siddique located?
- Muhammad Asim Siddique's practice location on file with NPPES is 6620 Main St Ste 1225, Houston, TX 77030-2331.
- What is Muhammad Asim Siddique's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Asim Siddique is (713) 798-2500.
- Does Muhammad Asim Siddique accept Medicare?
- Muhammad Asim Siddique is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Asim Siddique's NPI active?
- Yes — Muhammad Asim Siddique's NPI (1598944308) is active in the NPPES registry as of the last update on 2025-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.