Christopher G. Lumsdaine, MD

Medicare activity in 2024

Official CMS public-use data for Christopher G. Lumsdaine, 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)393 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)348 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)205 services
4. Influenza vaccine split virus, preservative free (90662)114 services
5. Administration of influenza virus vaccine (G0008)113 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 pressure73%
• Arthritis39%
• Diabetes32%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
• Ischemic heart disease17%

Hospitals where Christopher G. Lumsdaine works

Medicare's Facility Affiliation Data lists Christopher G. Lumsdaine 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.

• Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050110

Practice locations

Addresses where Christopher G. Lumsdaine is enrolled with Medicare (CMS data updated October 2, 2026).

• 1225 N H StLompoc, CA 93436 (805) 737‑8700
• 136 N 3rd StLompoc, CA 93436 (805) 737‑3300

Group practices

Medicare enrollment lists Christopher G. Lumsdaine as a member of this group (CMS data updated October 2, 2026).

• Lompoc Valley Medical Center91 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Lompoc

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

• Abideen A. Ajuwon, MD
• Hafez A. Nasr, MD
• James R. Trettin, MD
• Bahija Saouf, MD
• Matthew J. Steinhaus, MD
• Madhup Joshi, MD
• Cory B. Gusland, MD
• Marc R. Avent, MD

All family doctors in Lompoc →

Other clinicians in Lompoc Valley Medical Center

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

• Abideen A. Ajuwon, MD
• Lloyd L. Trujillo, MD
• Hafez A. Nasr, MD
• David Fraats
• Michael A. Dixon, CSW
• Christopher R. Taglia, 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