Gregg Alan Ellison, MD
Gregg Alan Ellison, MD has practiced internal medicine for 49+ years, working in independent practice. A Baylor College of Medicine graduate since 1977, he brings 49+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes.
At a glance
- Prescribes opioids less than 44% of reporting doctors in California
- Uses generic medications more than 54% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 6279dNPPES updated 2009-02-25 · verify on CMS
Contact & Location
Practice Location
1105 Las Tablas Rd Ste F, Templeton, CA 93465-9731
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202319.28/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-64.3 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better1.48%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.6 pts)
Typical range among reporting doctors in California1.48% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88.5%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+5.7 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
244
Unique beneficiaries
Standard volumePrescription Recipients
237
Patients prescribed
Prescriptions Written
3,302
Total claims
Total Medicare drug cost: $358k
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 Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+19%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+3%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+5%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+3%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$125 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Gregg Alan Ellison's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1977
Baylor College of Medicine
49 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Baylor College of Medicine (Class of 1977)
Mailing address
1105 Las Tablas Rd Ste F, Templeton, CA 93465
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 191313
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Gregg Alan Ellison
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Gregg Alan Ellison for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Templeton 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 Gregg Alan Ellison
NPI records show Dr. Ellison as active with telehealth listed in Templeton, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (805) 434-1851.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Gregg Alan Ellison
Practice Location
1105 Las Tablas Rd Ste F, Templeton, CA 93465-9731
Mailing Address
1105 Las Tablas Rd Ste F, Templeton, CA 93465
This is a provider directory. Contact the office directly to schedule appointments.
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