Matthew L. Tilstra, MD

Medicare activity in 2024

Official CMS public-use data for Matthew L. Tilstra, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 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 cholesterol66%
• High blood pressure64%
• Arthritis43%
• Diabetes36%
• Depression32%
• Anxiety28%

Hospitals where Matthew L. Tilstra works

Medicare's Facility Affiliation Data lists Matthew L. Tilstra 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.

• Doctors Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050464
• Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557

Practice locations

Addresses where Matthew L. Tilstra is enrolled with Medicare (CMS data updated October 2, 2026).

• 1552 Coffee Rd, Suite 100Modesto, CA 95355 (209) 521‑4372

Group practices

Medicare enrollment lists Matthew L. Tilstra as a member of this group (CMS data updated October 2, 2026).

• Hera Ob-Gyn Medical Group Inc6 clinicians in the group

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Modesto

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

• Brian R. Bigelow, MD
• Rishikesh P. Kulkarni, MD
• Ly H. Truong, MD
• Danielle Esters, MD
• Linda C. Chan, MD
• Kaylee G. Potter, DO
• Sanmaan K. Basraon, MD
• Hillary G. Hendryk, MD

All OB-GYNs in Modesto →

Other clinicians in Hera Ob-Gyn Medical Group Inc

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

• Carson D. Rodeffer, MD
• Esther J. Tow-Der, MD
• Nicholas H. Hopkins, 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