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Gastroenterology

Maneesh H. Singh, MD

Works at hospitals in Vallejo, CA · California

Summary

Dr. Maneesh H. Singh, MD is a gastroenterologist at 975 Sereno Dr, Vallejo, CA 94589. Phone: (707) 651-1000. Accepts Medicare assignment. In 2024, Maneesh H. Singh had 17 Original Medicare patients and 25 services. NPI 1548588460. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 975 Sereno Dr, Vallejo, CA 94589 · Directions
  • Phone: (707) 651‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital and Rehab Center
  • Group practice: Permanente Medical Group Inc
  • Medical school: Stanford University School Of Medicine · graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Maneesh H. Singh, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Maneesh H. Singh accept Medicare assignment?
Yes. Medicare's clinician data says Maneesh H. Singh accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Maneesh H. Singh see?
In 2024, CMS data shows 17 Original Medicare patients and 25 services for Maneesh H. Singh. This counts Original Medicare only and measures volume, not quality.
What is Maneesh H. Singh's NPI number?
1548588460. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Maneesh H. Singh, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare25
Different services or procedures9
Participating Medicare providerYes
Average age of these patients67

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure65%

Hospitals where Maneesh H. Singh works

Medicare's Facility Affiliation Data lists Maneesh H. Singh at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Maneesh H. Singh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maneesh H. Singh as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Vallejo

Clinicians with the same Medicare primary specialty in Vallejo, CA — not a recommendation.

All gastroenterologists in Vallejo →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548588460
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians