Donna Walker, M.D.
Donna Walker is a Hematology & Oncology specialist based in Lompoc, CA with over 32 years of clinical experience. Offers virtual telehealth visits.
Patients across CA can see Donna Walker, M.D. in person in Lompoc or via virtual visit — no travel required. Trained at University of California, Geffen School of Medicine (class of 1994), she has been practicing for over 32 years. Among her Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).
Older · 3663dNPPES updated 2016-05-12 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1201 E Ocean Ave Ste B, Lompoc, CA 93436-7082
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Diseases involving abnormal cell growth with potential to spread to other body parts
Joint inflammation causing pain, swelling, and stiffness
A condition where the body cannot properly regulate blood sugar levels
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Weakened bones that are more prone to fractures, common in older adults
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1994
University of California, Geffen School of Medicine
32 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
University of California, Geffen School of Medicine (Class of 1994)
Mailing address
1213 E Ocean Ave Suite 102, Lompoc, CA 93436-7047
Differs from practice location
Virtual Hematology & Oncology Care With Donna Walker
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Donna Walker for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Lompoc required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Donna Walker
NPI records show Dr. Walker as active with telehealth listed in Lompoc, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (805) 735-1155.
Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Donna Walker
Practice Location
1201 E Ocean Ave Ste B, Lompoc, CA 93436-7082
Mailing Address
1213 E Ocean Ave Suite 102, Lompoc, CA 93436-7047
This is a provider directory. Contact the office directly to schedule appointments.
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