Kiana Guerrero McCormick, MD

Medicare activity in 2024

Official CMS public-use data for Kiana Guerrero McCormick, 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. Hemoglobin a1c level (83036)53 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 pressure74%
• Diabetes55%
• Arthritis40%
• Chronic kidney disease31%

Hospitals where Kiana Guerrero McCormick works

Medicare's Facility Affiliation Data lists Kiana Guerrero McCormick 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.

• Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050174
• Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050090

Practice locations

Addresses where Kiana Guerrero McCormick is enrolled with Medicare (CMS data updated October 2, 2026).

• 19270 Hwy 12Sonoma, CA 95476 (707) 939‑6070

Group practices

Medicare enrollment lists Kiana Guerrero McCormick as a member of this group (CMS data updated October 2, 2026).

• Sonoma Valley Community Health Center20 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Sonoma

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

• Carol A. Ahern, MD
• Subhash Mishra, MD
• Michael D. Maggioncalda, DO
• Jennifer E. Hasa, MD
• Morgan Theis, MD
• Daisy M. Manuel- Arguelles, DO
• Michele D. Reynolds, MD

All family doctors in Sonoma →

Other clinicians in Sonoma Valley Community Health Center

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

• Yarigtnetzilem Diez Gonzalez, OD
• Anna G. Harleman
• Carol A. Ahern, MD
• Michael A. Mabanglo, CSW
• Morgan Theis, MD
• Michele D. Reynolds, 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