NPPES file of Aug 9, 2026

Marcus Juan Labio Esteban, M.D.

Gastroenterology Physician · Vallejo, CA

Marcus Juan Labio Esteban, M.D. is a gastroenterology physician with a practice address in Vallejo, California, and NPI 1922455864, issued on May 20, 2016. Check the license (California A173226, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922455864
Name
Marcus Juan Labio Esteban
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A173226 CA
S7429 TX
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-1000
Enumerated
May 20, 2016
Record last updated
Aug 28, 2022
Medicare enrollment
Enrolled (PECOS I20221109002644); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →

Also registered at 975 Sereno Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Marcus Juan Labio Esteban in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A173226    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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13% fewer Medicare Part D claims than the average gastroenterology physician in 2024

704 Medicare Part D claims for 415 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Marcus Juan Esteban704
  2. Specialty average811

Most prescribed

  1. Gavilyte-C268 claims
  2. Pantoprazole Sodium131 claims
  3. Omeprazole61 claims
  4. Budesonide Dr20 claims
  5. Metoclopramide Hcl19 claims
  6. Esomeprazole Magnesium17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $51.90

1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcus Juan Esteban$51.90
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncVallejo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcus Juan Labio Esteban among 2,140 gastroenterology physician records in California

Marcus Juan Labio Esteban, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.

  • NPI issued2016 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2002 among the 1,538 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

All 2,140 in California → Every provider in Vallejo → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Thomas Cuff, MDVallejo, CA 945891538247101
  2. Aaron Levy, MDVallejo, CA 945891891873790
  3. Ralston Martin, MDVallejo, CA 945891942388780
  4. Pauline Mysliwiec, MDVallejo, CA 945891588716708
  5. Ryan Nock, MDVallejo, CA 945891346773751
  6. Arun Suryaprasad, MDVallejo, CA 945891396897518
  7. Jeffrey Wei, MDVallejo, CA 945891023196508
  8. James Lin, M.D.Pleasanton, CA 945881396864872

Common questions

What is Marcus Juan Labio Esteban, M.D.'s NPI number?

Marcus Juan Labio Esteban, M.D.'s National Provider Identifier (NPI) is 1922455864, issued on May 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Marcus Juan Labio Esteban, M.D. located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.

How can I verify Marcus Juan Labio Esteban, M.D.'s license?

NPPES lists California license number A173226, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcus Juan Labio Esteban, M.D. prescribe under Medicare Part D?

In 2024, Marcus Juan Labio Esteban, M.D. had 704 Medicare Part D claims for 415 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.