Quick answers
- Which hospitals does John C. Isaac work at?
- Medicare's official clinician data lists John C. Isaac at 3 hospitals: Houston Methodist Cypress Hospital, Houston Methodist Hospital and Houston Methodist Willowbrook Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Isaac see patients?
- Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is John C. Isaac's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John C. Isaac accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Isaac 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.
- Does John C. Isaac offer telehealth?
- Medicare's clinician data says John C. Isaac offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John C. Isaac?
- (713) 790-0841, as listed in official Medicare / NPI Registry data.
- What is John C. Isaac's NPI number?
- 1295799005. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Isaac works
Medicare's Facility Affiliation Data lists John C. Isaac at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · CCN 450358
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · CCN 450844
Practice locations
Addresses where John C. Isaac is enrolled with Medicare (CMS data updated 2026-10-02).
- 5115 Fannin St, Suite 801Houston, TX 77004 (713) 790‑0841
- 7010 Champions Plaza Dr, Suite 200Houston, TX 77069 (281) 890‑4848
Group practices
Medicare enrollment lists John C. Isaac as a member of this group (CMS data updated 2026-10-02).
- Houston Cardiovascular Assoc PA82 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295799005 |
| 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