Erik W. Olsen, MD

Medicare activity in 2024

Official CMS public-use data for Erik W. Olsen, 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)101 services
2. 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)63 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)31 services
4. Hospital discharge day management, 30 minutes or less (99238)22 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 cholesterol67%
• Arthritis47%
• Diabetes35%
• Heart failure34%
• Chronic kidney disease27%

Hospitals where Erik W. Olsen works

Medicare's Facility Affiliation Data lists Erik W. Olsen 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.

• Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231

Practice locations

Addresses where Erik W. Olsen is enrolled with Medicare (CMS data updated October 2, 2026).

• 1770 N Orange Grove Ave, Suite 101Pomona, CA 91767 (909) 469‑9494

Group practices

Medicare enrollment lists Erik W. Olsen as a member of this group (CMS data updated October 2, 2026).

• Premier Family Medicine Associates, Inc65 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Pomona

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

• Wilbert T. Tsai, MD
• Elaine Roh, MD
• Maria L. Valadez, MD
• Nghia Phan, DO
• Surya K. Lakhanpal, MD
• Marco A. Valladares Renderos, MD
• David T. Chen, MD
• Libia Wohlert, MD

All family doctors in Pomona →

Other clinicians in Premier Family Medicine Associates, Inc

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

• Saman Aboudi, MD
• Elaine Roh, MD
• Maria L. Valadez, MD
• Millie Mae Hathaway, DO
• James A. Meyers, DO
• Margaret J. Galileo, PA

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