Ali Mahmood, MD
NPI 1548439888 · Colon & Rectal Surgery Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ali Mahmood, MD is a Colon & Rectal Surgery Physician provider in Sugar Land, TX (NPI 1548439888).
Provider details
- NPI number
- 1548439888
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301082545 (MI)
Specialties & taxonomies
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
18 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
970 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 295 | $121 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 261 | $110 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 138 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 79 | $113 |
| Diagnostic Exam of Rectum and Lower Large Bowel Using an Endoscope45300 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocortisone | 132 | 112 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 104 | 93 |
| Tramadol Hcl | 101 | 88 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 78 | 67 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 50 | 18 |
| Doxycycline Hyclate | 22 | 20 |
| Hydrocortisonebrand: Procto-Med Hc |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 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
- 2008-02-20
- Last updated
- 2017-01-10
Frequently asked questions
- What is Ali Mahmood's NPI number?
- Ali Mahmood's National Provider Identifier (NPI) is 1548439888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ali Mahmood's specialty?
- Ali Mahmood is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ali Mahmood located?
- Ali Mahmood's practice location on file with NPPES is 16605 Southwest Fwy, Sugar Land, TX 77479-3501.
- What is Ali Mahmood's phone number?
- The practice phone number listed in the NPPES registry for Ali Mahmood is (281) 242-3300.
- Does Ali Mahmood accept Medicare?
- Ali Mahmood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ali Mahmood's NPI active?
- Yes — Ali Mahmood's NPI (1548439888) is active in the NPPES registry as of the last update on 2017-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.