Quick answers
- Does Grace A. Makhlouf accept Medicare assignment?
- Yes. Medicare's clinician data says Grace A. Makhlouf accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Grace A. Makhlouf see?
- In 2024, CMS data shows 309 Original Medicare patients and 176,573 services for Grace A. Makhlouf. This counts Original Medicare only and measures volume, not quality.
- What is Grace A. Makhlouf's NPI number?
- 1124073655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Grace A. Makhlouf, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 309 |
|---|---|
| Services billed to Medicare | 176,573 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)95,600 services
- Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0129)60,450 services
- Injection, golimumab, 1 mg, for intravenous use (J1602)10,300 services
- Injection, infliximab, excludes biosimilar, 10 mg (J1745)3,060 services
- Administration of chemotherapy into vein, 1 hour or less (96413)920 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Arthritis75%
- High cholesterol73%
- Diabetes26%
- Osteoporosis25%
- Ischemic heart disease24%
Practice locations
Addresses where Grace A. Makhlouf is enrolled with Medicare (CMS data updated October 2, 2026).
- 1429 Hwy 6Sugar Land, TX 77478 (713) 781‑4600
Group practices
Medicare enrollment lists Grace A. Makhlouf as a member of this group (CMS data updated October 2, 2026).
- Hillcroft Medical Clinic Association23 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.
Other clinicians in Hillcroft Medical Clinic Association
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124073655 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians