Collin Thomas Zimmerman, MD
Collin Thomas Zimmerman is a Hematology & Oncology specialist based in San Diego, CA with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: HEMATOLOGY/ONCOLOGY, HOSPICE/PALLIATIVE CARE
Collin Thomas Zimmerman, MD has practiced internal medicine for 17+ years, working in group practice. Trained at University of California, San Diego School of Medicine (class of 2009), he has been practicing for over 17 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer.
Older · 1638dNPPES updated 2021-11-29 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Opioid Rx
↓ Lower = better15.54%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+10.4 pts)
15.54% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
36
Unique beneficiaries
Boutique practicePrescription Recipients
334
Patients prescribed
Prescriptions Written
1,898
Total claims
Total Medicare drug cost: $5.08M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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
US avg: 70.2%↓ Fewer patients than average (-26%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-26%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+10%) — a focus area for this doctor
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 · 2009
University of California, San Diego School of Medicine
17 years in practice
Experienced
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, San Diego School of Medicine (Class of 2009)
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201314
View hospital on Medicare Care CompareVirtual Hematology & Oncology Care With Collin Thomas Zimmerman
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Collin Thomas Zimmerman for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to San Diego required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Collin Thomas Zimmerman
NPI records show Dr. Zimmerman as active with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (619) 528-5713.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Collin Thomas Zimmerman
Practice Location
4647 Zion Ave, San Diego, CA 92120-2507
Mailing Address
4647 Zion Ave, San Diego, CA 92120-2507
This is a provider directory. Contact the office directly to schedule appointments.
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