Quick answers
- Which hospitals does Robert L. Allen work at?
- Medicare's official clinician data lists Robert L. Allen at 4 hospitals: HCA Houston Healthcare Clear Lake, HCA Houston Healthcare Medical Center, Memorial Hermann Northeast Hospital and Rice Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert L. Allen see patients?
- Medicare's clinician data lists 9 practice locations, including Gonzales, TX, Friendswood, TX and Webster, TX. Call before your visit to confirm the address.
- What is Robert L. Allen's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Robert L. Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Robert L. Allen 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 Robert L. Allen?
- (830) 672-7581, as listed in official Medicare / NPI Registry data.
- What is Robert L. Allen's NPI number?
- 1881675585. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert L. Allen works
Medicare's Facility Affiliation Data lists Robert L. Allen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · CCN 450617
- HCA Houston Healthcare Medical CenterHouston, TX · Acute Care Hospital · CCN 450659
- Memorial Hermann Northeast HospitalHumble, TX · Acute Care Hospital · CCN 450684
- Rice Medical CenterEagle Lake, TX · Critical Access Hospital · CCN 451312
Practice locations
Addresses where Robert L. Allen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1110 N Sarah Dewitt Dr, Gonzales Health SystemGonzales, TX 78629 (830) 672‑7581
- 225 E Parkwood Ave, HCA Houston ER 24/7 FriendswoodFriendswood, TX 77546 (281) 816‑8400
- 500 W Medical Ctr BlvdWebster, TX 77598
- 600 S Austin RdEagle Lake, TX 77434 (713) 461‑3573
- 6720 Bertner AveHouston, TX 77030 (855) 504‑4544
Group practices
Medicare enrollment lists Robert L. Allen as a member of this group (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Gonzales
Clinicians with the same Medicare primary specialty in Gonzales, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881675585 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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