Quick answers
- Where does Phoebe G. Griffin see patients?
- Medicare's clinician data lists 2 practice locations, including Porter, TX and Humble, TX. Call before your visit to confirm the address.
- What is Phoebe G. Griffin's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Phoebe G. Griffin accept Medicare assignment?
- Yes. Medicare's clinician data says Phoebe G. Griffin 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 Phoebe G. Griffin?
- (713) 442-2100, as listed in official Medicare / NPI Registry data.
- What is Phoebe G. Griffin's NPI number?
- 1629315791. 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 Phoebe G. Griffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 25553 Hwy 59Porter, TX 77365 (713) 442‑2100
- 8233 N Sam Houston Pkwy EHumble, TX 77396 (713) 442‑2000
Group practices
Medicare enrollment lists Phoebe G. Griffin as a member of this group (CMS data updated 2026-10-02).
- Kelsey-Seybold Medical Group, PLLC957 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629315791 |
| 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