Michael R Block, MD
Michael R Block is an Internal Medicine specialist based in Los Angeles, CA with over 55 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: NEPHROLOGY
Patients across CA can see Michael R Block, MD in person in Los Angeles or via virtual visit — no travel required. Trained at University of California, San Francisco School of Medicine (class of 1971), he has been practicing for over 55 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and diabetes (per CMS data).
At a glance
- Prescribes opioids less than 47% of reporting doctors in California
- Uses generic medications more than 60% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 394dNPPES updated 2025-04-25 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
6433 Whittier Blvd, Los Angeles, CA 90022
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 = better1.17%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.9 pts)
Typical range among reporting doctors in California1.17% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better89.3%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+6.5 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
130
Unique beneficiaries
Standard volumePrescription Recipients
418
Patients prescribed
Prescriptions Written
7,882
Total claims
Total Medicare drug cost: $645k
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 (+26%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+1%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+1%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$236 received from industry
9 transactions 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 Michael R Block's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1971
University of California, San Francisco School of Medicine
55 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
University of California, San Francisco School of Medicine (Class of 1971)
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 361316
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Michael R Block
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Michael R Block for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Los Angeles 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 Michael R Block
NPI records show Dr. Block as active with telehealth listed in Los Angeles, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (323) 724-6673.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Michael R Block
Practice Location
6433 Whittier Blvd, Los Angeles, CA 90022
Mailing Address
6433 Whittier Blvd, Los Angeles, CA 90022
This is a provider directory. Contact the office directly to schedule appointments.
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