Mark Patrick Lewis, MD
Mark Patrick Lewis is an Internal Medicine specialist based in Mountain View, CA with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Mark Patrick Lewis, MD runs an independent internist practice in Mountain View, CA. Trained at University of Southern California Keck School of Medicine (class of 2005), he has been practicing for over 21 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and osteoporosis (per CMS data).
At a glance
- Prescribes opioids less than 37% of reporting doctors in California
- Uses generic medications more than 49% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 6004dNPPES updated 2009-12-15 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2204 Grant Rd Ste 105, Mountain View, CA 94040-3877
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
20238.99/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-74.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better2.17%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.9 pts)
2.17% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better87.6%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+4.8 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
473
Unique beneficiaries
Standard volumePrescription Recipients
418
Patients prescribed
Prescriptions Written
4,987
Total claims
Total Medicare drug cost: $526k
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 Osteoporosis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-2%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+27%) — 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 (+7%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-15%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-2%) — less common here
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↓ Fewer patients than average (-2%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↓ Fewer patients than average (-1%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$266 received from industry
3 transactions reported in 2024 ·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 2024, attributed to Mark Patrick Lewis's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2005
Keck School of Medicine of Usc
21 years in practice
Experienced
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
University of Southern California Keck School of Medicine (Class of 2005)
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194083
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Mark Patrick Lewis
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark Patrick Lewis for cholesterol management, blood pressure monitoring, follow-up consultations — no travel to Mountain View 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 Mark Patrick Lewis
NPI records show Dr. Lewis as active with telehealth listed in Mountain View, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 967-8890.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Mark Patrick Lewis
Practice Location
2204 Grant Rd Ste 105, Mountain View, CA 94040-3877
Mailing Address
2204 Grant Rd Ste 105, Mountain View, CA 94040-3877
This is a provider directory. Contact the office directly to schedule appointments.
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