Physician Profile

Marcus Juan L. Esteban, M.D.

Unclaimed Profile

About Dr. Esteban

Based in Vallejo, CA, Marcus Juan L. Esteban, M.D. is listed in the NPI registry under gastroenterology. Marcus Juan is also listed as specializing in internal medicine.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Education & Training

School Other Graduated: 2014

Specialty

Gastroenterology (Primary)
Gastroenterology (Additional)

Credentials & Licensing

CA licenseA173226
TX licenseS7429
NPI1922455864
NPI issued05/20/2016

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Marcus Juan L. Esteban specialize in?

Marcus Juan L. Esteban is a gastroenterologist in Vallejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.

NPI registry

Where is Marcus Juan L. Esteban located?

Marcus Juan L. Esteban is listed at 975 Sereno Dr, Vallejo, CA 94589. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Marcus Juan L. Esteban's phone number?

The number on file is (707) 651-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Marcus Juan L. Esteban's NPI number?

Marcus Juan L. Esteban's National Provider Identifier is 1922455864. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Marcus Juan L. Esteban train?

Marcus Juan L. Esteban attended Other, graduating in 2014. This comes from the CMS National Downloadable File.

CMS public data

How long has Marcus Juan L. Esteban been practicing?

Marcus Juan L. Esteban has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.

CMS public data

Has Marcus Juan L. Esteban confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Marcus Juan L. Esteban. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.