Quick answers
- Where does Alak Ray see patients?
- Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Alak Ray's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Alak Ray accept Medicare assignment?
- Yes. Medicare's clinician data says Alak Ray accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Alak Ray?
- (713) 864-6100, as listed in official Medicare / NPI Registry data.
- What is Alak Ray's NPI number?
- 1700891009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Alak Ray is enrolled with Medicare (CMS data updated 2026-10-02).
- 1631 N Loop W, Suite 460Houston, TX 77008 (713) 864‑6100
- 1631 N W Loop, Suite 460Houston, TX 77008 (713) 864‑6100
Group practices
Medicare enrollment lists Alak Ray as a member of this group (CMS data updated 2026-10-02).
- Greater Heights Nephrology, PLLC2 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700891009 |
| 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 2026-10-02, retrieved 2026-10-29
- 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