Nathanael Cordero Valentin, MD

Medicare activity in 2024

Official CMS public-use data for Nathanael Cordero Valentin, 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.

Most frequent services

1. Blood glucose (sugar) test performed by hand-held instrument (82962)67 services
2. Hemoglobin a1c level (83036)52 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 blood pressure75%
• Diabetes75%
• High cholesterol62%

Hospitals where Nathanael Cordero Valentin works

Medicare's Facility Affiliation Data lists Nathanael Cordero Valentin 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.

• Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051337

Practice locations

Addresses where Nathanael Cordero Valentin is enrolled with Medicare (CMS data updated October 2, 2026).

• 351 Felice DrHollister, CA 95023 (831) 637‑5306

Group practices

Medicare enrollment lists Nathanael Cordero Valentin as a member of this group (CMS data updated October 2, 2026).

• San Benito Health Foundation5 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Hollister

Clinicians with the same Medicare primary specialty in Hollister, CA — not a recommendation.

• Benedict T. Carota, MD
• Arminda S. Tolentino, MD
• Maria L. Vargas Torres, MD
• Dilshad M. Kheraj, DO
• Erika J. Ceballos, MD
• Paul J. Percival, MD
• Daniel Y. Wang, MD
• Marie Claudette Grageda, MD

All family doctors in Hollister →

Other clinicians in San Benito Health Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Nazhat P. Sharma, MD
• Maria L. Vargas Torres, MD
• Javier Sotomayor Tapia, MD
• Erika J. Ceballos, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians