Marco A Paez, M.D.

Gastroenterology Internal Medicine

Marco A Paez is a Gastroenterology Internal Medicine specialist based in Corona, CA with over 14 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(951) 808-6298Corona, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Marco a Paez, M.D. runs an independent gastroenterologist practice in Corona, CA. Trained at Georgetown University School of Medicine (class of 2012), he has been practicing for over 14 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

1 of 847 Internal Medicine providers in CASee all Internal Medicine in Corona14+ years experienceNPI since 2012

Older · 1957dNPPES updated 2021-01-12 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

2250 S Main St Ste 205, Corona, CA 92882-2507

Fax: (951) 523-7065
CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

77.3%

California avg: 83.3 · US avg: 82.8

Lower than most doctors nationally(-5.5 pts)

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

Medicare Patients

181

Unique beneficiaries

Standard volume

Prescription Recipients

179

Patients prescribed

Prescriptions Written

291

Total claims

Total Medicare drug cost: $50k

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
Higher than avg (+2%)72%

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

US avg: 70.2%

↑ More patients than average (+2%) — a focus area for this doctor

Arthritis
Lower than avg (-7%)42%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-7%) — less common here

Diabetes
Lower than avg (-2%)32%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-2%) — less common here

Ischemic Heart Disease
Lower than avg (-4%)28%

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

Mood Disorders
22%

Conditions affecting emotional state, including depression and bipolar disorder

Cancer
Lower than avg (-1%)20%

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

Depression
Lower than avg (-12%)20%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-12%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$575 received from industry

18 transactions reported in 2024 ·Moderate tier

View on CMS Open Payments →

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 Marco a Paez's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2012

    Georgetown University School of Medicine

  2. Board certified · Jan 11, 2021

    Self-reported via NPPES

  3. 14 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Georgetown University School of Medicine (Class of 2012)

Practice Footprint

Mailing address

1901 Town and Country Dr Ste 104, Norco, CA 92860-3611

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 190006

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Marco a Paez

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

Schedule a virtual visit with Marco a Paez for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Corona 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 Marco a Paez

Dr. Paez is listed as active in the NPI registry with telehealth listed in Corona, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (951) 808-6298.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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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