Olga M. Calof, MD

Medicare activity in 2024

Official CMS public-use data for Olga M. Calof, 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. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)491 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)379 services
3. Blood glucose (sugar) test performed by hand-held instrument (82962)322 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)191 services
5. Hemoglobin a1c level (83036)142 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%
• High cholesterol75%
• Diabetes62%
• Arthritis45%
• Chronic kidney disease37%
• Osteoporosis27%

Hospitals where Olga M. Calof works

Medicare's Facility Affiliation Data lists Olga M. Calof 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 Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 050078
• Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050353
• Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050351

Practice locations

Addresses where Olga M. Calof is enrolled with Medicare (CMS data updated October 2, 2026).

• 1499 W 1st StSan Pedro, CA 90732 (310) 831‑9482
• 21501 Avalon Blvd, Suite 100Carson, CA 90745 (310) 835‑6627

Group practices

Medicare enrollment lists Olga M. Calof as a member of this group (CMS data updated October 2, 2026).

• Providence Medical Institute288 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in California →

Other endocrinologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Na Shen, MD
• Maria I. Linares Valderrama, MD
• Liliana Uribe-Bruce, MD
• Dorothy Martinez, MD
• Deepti Pujare, MD
• Negar C. Kahen, MD
• Bachar Kurdi, MD
• Aditi B. Bhaduri, MD

All endocrinologists in California →

Other clinicians in Providence Medical Institute

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

• Benjamin F. Yasharel
• Omar Z. Yasin, MD
• Pareena Kaur, MD
• Nudrat N. Usman, MD
• Brian M. Gee, MD
• Sara Asadi, 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