Marco Paez, M.D.
NPI 1902167695 · Gastroenterology Physician · Corona, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marco Paez, M.D. is a Gastroenterology Physician provider in Corona, CA (NPI 1902167695).
Provider details
- NPI number
- 1902167695
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A154078 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
345 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 137 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 59 | $173 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 50 | $188 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 33 | $76 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 25 | $120 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 110 | 103 |
| Omeprazole | 108 | 51 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 81 | 76 |
| Dicyclomine Hcl | 20 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 19 | 18 |
| Pantoprazole Sodium | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$575 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2250 S Main St Ste 201Corona, CA 92882-2536Phone: (951) 808-6298Fax: (951) 523-7065
- 12523 Limonite Ave Ste 400Eastvale, CA 91752-3666Phone: (951) 808-6298Fax: (951) 523-7065
- 6900 Brockton Ave Ste 100Riverside, CA 92506-3817Phone: (951) 808-6298Fax: (951) 523-7065
Registry dates
- Enumerated
- 2012-05-30
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Marco Paez's NPI number?
- Marco Paez's National Provider Identifier (NPI) is 1902167695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marco Paez's specialty?
- Marco Paez is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marco Paez located?
- Marco Paez's practice location on file with NPPES is 2250 S Main St, Corona, CA 92882-2507.
- What is Marco Paez's phone number?
- The practice phone number listed in the NPPES registry for Marco Paez is (951) 808-6298.
- Does Marco Paez accept Medicare?
- Marco Paez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marco Paez's NPI active?
- Yes — Marco Paez's NPI (1902167695) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.