Marcus Juan Esteban, M.D.
NPI 1922455864 · Gastroenterology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Juan Esteban, M.D. is a Gastroenterology Physician provider in Vallejo, CA (NPI 1922455864).
Provider details
- NPI number
- 1922455864
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- S7429 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 268 | 260 |
| Pantoprazole Sodium | 131 | 68 |
| Omeprazole | 61 | 31 |
| Budesonidebrand: Budesonide Dr | 20 | — |
| Metoclopramide Hcl | 19 | — |
| Esomeprazole Magnesium | 17 | — |
| Metronidazole | 16 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 1 record (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 (1)
- 4800 Alberta AveEl Paso, TX 79905-2700Phone: (915) 215-5200
Registry dates
- Enumerated
- 2016-05-20
- Last updated
- 2022-08-28
- Certified
- 2022-08-28
Frequently asked questions
- What is Marcus Juan Esteban's NPI number?
- Marcus Juan Esteban's National Provider Identifier (NPI) is 1922455864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Juan Esteban's specialty?
- Marcus Juan Esteban is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Juan Esteban located?
- Marcus Juan Esteban's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Marcus Juan Esteban's phone number?
- The practice phone number listed in the NPPES registry for Marcus Juan Esteban is (707) 651-1000.
- Does Marcus Juan Esteban accept Medicare?
- Marcus Juan Esteban is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Juan Esteban's NPI active?
- Yes — Marcus Juan Esteban's NPI (1922455864) is active in the NPPES registry as of the last update on 2022-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.