Julia Marx, MD

Family Medicine

(209) 603-8524Los Altos, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across CA can see Julia Marx, MD in person in Los Altos or via virtual visit — no travel required. She graduated from University of California, San Francisco School of Medicine in 1995 and has 31+ years of clinical experience. Among her Medicare patients, common conditions include high cholesterol and hypertension (per CMS data).

At a glance

  • Prescribes opioids less than 48% of reporting doctors in California
  • Uses generic medications more than 60% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 4,025 Family Medicine providers in CASee all Family Medicine in Los Altos31+ years experienceNPI since 2006

Older · 5256dNPPES updated 2011-12-15 · verify on CMS

Contact & Location

Practice Location

370 Distel Cir, Los Altos, CA 94022-1404

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

1.04%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-4.1 pts)

Typical range among reporting doctors in California

1.04% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

89.3%

California avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+6.5 pts)

Typical range among reporting doctors in California

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

153

Unique beneficiaries

Standard volume

Prescription Recipients

184

Patients prescribed

Prescriptions Written

2,216

Total claims

Total Medicare drug cost: $206k

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.

Patient Condition Panel

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.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
Lower than avg (-25%)45%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-25%) — less common here

Arthritis
Lower than avg (-23%)26%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-23%) — less common here

Osteoporosis
Higher than avg (+6%)24%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+6%) — a focus area for this doctor

GeneralBehavioralNational avg

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.

Career Journey
  1. Graduated medical school · 1995

    University of California, San Francisco School of Medicine

  2. 31 years in practice

    Senior practitioner

Family MedicineAllopathic & Osteopathic Physicians

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Taxonomy: 207Q00000X

Education & Training

University of California, San Francisco School of Medicine (Class of 1995)

Practice Footprint

Mailing address

2350 W El Camino Real 2nd Floor, Mountain View, CA 94040-6201

Differs from practice location

Virtual Family Medicine Care With Julia Marx

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Julia Marx for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Los Altos 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 Julia Marx

Dr. Marx is listed as active in the NPI registry with telehealth listed in Los Altos, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (209) 603-8524.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · 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.

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