Quick answers
- Does Hiyas D. Fonte accept Medicare assignment?
- Yes. Medicare's clinician data says Hiyas D. Fonte accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Hiyas D. Fonte see?
- In 2024, CMS data shows 349 Original Medicare patients and 2,514 services for Hiyas D. Fonte. This counts Original Medicare only and measures volume, not quality.
- What is Hiyas D. Fonte's NPI number?
- 1669405064. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Hiyas D. Fonte, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 349 |
|---|---|
| Services billed to Medicare | 2,514 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)483 services
- Insertion of needle into vein for collection of blood sample (36415)437 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)227 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)114 services
- Influenza vaccine split virus, preservative free (90662)50 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure66%
- Arthritis47%
- Ischemic heart disease25%
- Osteoporosis21%
- Diabetes18%
Hospitals where Hiyas D. Fonte works
Medicare's Facility Affiliation Data lists Hiyas D. Fonte at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baylor Regional Medical Center at PlanoPlano, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450890
- Baylor Scott & White Medical Center at IrvingIrving, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450079
- Baylor Scott & White Medical Center GrapevineGrapevine, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450563
- UT of Texas Southwestern University Hospital - William P. Clements Jr.Dallas, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450044
Practice locations
Addresses where Hiyas D. Fonte is enrolled with Medicare (CMS data updated October 2, 2026).
- 1650 W College StGrapevine, TX 76051 (817) 388‑3440
- 4001 Worth StDallas, TX 75246
- 5408 Colleyville BlvdColleyville, TX 76034 (817) 498‑9920
- 731 E Southlake Blvd, Suite 100Southlake, TX 76092 (817) 424‑3366
Group practices
Medicare enrollment lists Hiyas D. Fonte as a member of this group (CMS data updated October 2, 2026).
- Healthtexas Provider Network2,697 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grapevine
Clinicians with the same Medicare primary specialty in Grapevine, TX — not a recommendation.
Other clinicians in Healthtexas Provider Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669405064 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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