Quick answers
- Where does Merin John see patients?
- Medicare's clinician data lists 2 practice locations, including Waco, TX. Call before your visit to confirm the address.
- What is Merin John's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Merin John accept Medicare assignment?
- Yes. Medicare's clinician data says Merin John 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 Merin John?
- (254) 313-4200, as listed in official Medicare / NPI Registry data.
- What is Merin John's NPI number?
- 1770224149. 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 Merin John is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 Providence DrWaco, TX 76707 (254) 313‑4200
- 1800 Gurley LnWaco, TX 76706 (254) 313‑6000
Group practices
Medicare enrollment lists Merin John as a member of this group (CMS data updated 2026-10-02).
- Heart of Texas Community Health Center, Inc.111 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Waco
Clinicians with the same Medicare primary specialty in Waco, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770224149 |
| 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