Holly Gabriella Maccallum, M.D.
Neurology Psychiatry & Neurology
Patients across CA can see Holly Gabriella Maccallum, M.D. in person in Fremont or via virtual visit — no travel required. She has been practicing since 2012 — over 15 years. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 87% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 2168dNPPES updated 2020-05-29 · verify on CMS
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better94.4%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+11.6 pts)
Better than 87% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
198
Unique beneficiaries
Standard volumePrescription Recipients
189
Patients prescribed
Prescriptions Written
1,017
Total claims
Total Medicare drug cost: $132k
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 High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+2%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+11%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-6%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-5%) — less common here
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.
Board certified · May 28, 2020
CMS-verified certification date
15 years in practice
Experienced
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Mailing address
325 Distel Cir, Los Altos, CA 94022-1408
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 334064
View hospital on Medicare Care CompareVirtual Psychiatry & Neurology Care With Holly Gabriella Maccallum
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Holly Gabriella Maccallum for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Fremont 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 Holly Gabriella Maccallum
NPI records show Dr. Maccallum as active with telehealth listed in Fremont, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 490-1222.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Holly Gabriella Maccallum
Practice Location
3200 Kearney St, Fremont, CA 94538-2299
Mailing Address
325 Distel Cir, Los Altos, CA 94022-1408
This is a provider directory. Contact the office directly to schedule appointments.
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