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Gastroenterology

Sirisha Grandhe, MD

Works at hospitals in Greenbrae, CA · Novato, CA · Sonoma, CA · California

Summary

Dr. Sirisha Grandhe, MD is a gastroenterologist at 505 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. May accept Medicare assignment. In 2024, Sirisha Grandhe had 531 Original Medicare patients and 1,031 services. NPI 1487032355. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Sirisha Grandhe, 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 Sirisha Grandhe accept Medicare assignment?
Medicare's clinician data says Sirisha Grandhe may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Sirisha Grandhe see?
In 2024, CMS data shows 531 Original Medicare patients and 1,031 services for Sirisha Grandhe. This counts Original Medicare only and measures volume, not quality.
What is Sirisha Grandhe's NPI number?
1487032355. 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 Sirisha Grandhe, 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 patients531
Services billed to Medicare1,031
Different services or procedures40
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)172 services
  2. Biopsy of large bowel using a flexible endoscope (45380)155 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)135 services
  4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)120 services
  5. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)103 services

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 cholesterol75%
  • High blood pressure61%
  • Arthritis51%
  • Anxiety28%
  • Ischemic heart disease25%
  • Osteoporosis24%

Hospitals where Sirisha Grandhe works

Medicare's Facility Affiliation Data lists Sirisha Grandhe 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.

  • Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360
  • Novato Community HospitalNovato, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050131
  • Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050090

Practice locations

Addresses where Sirisha Grandhe is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sirisha Grandhe as a member of this group (CMS data updated October 2, 2026).

  • Regents Univ of California UCSF283 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in San Francisco

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

All gastroenterologists in San Francisco →

Other clinicians in Regents Univ of California UCSF

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

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487032355
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