Quick answers
- Where does Gretchen Keyse see patients?
- Medicare's clinician data lists 2 practice locations, including Houston, TX and Corpus Christi, TX. Call before your visit to confirm the address.
- What is Gretchen Keyse's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Gretchen Keyse accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen Keyse 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 Gretchen Keyse?
- (281) 679-5600, as listed in official Medicare / NPI Registry data.
- What is Gretchen Keyse's NPI number?
- 1356744585. 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 Gretchen Keyse is enrolled with Medicare (CMS data updated 2026-10-02).
- 12345 Katy FwyHouston, TX 77079 (281) 679‑5600
- 4025 S Padre Island DrCorpus Christi, TX 78411 (361) 852‑8255
Group practices
Medicare enrollment lists Gretchen Keyse as a member of this group (CMS data updated 2026-10-02).
- American Current Care PA550 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356744585 |
| 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