Dr. Sidhartha Ranjit Sinha, MD

  • Stanford, CA
  • Gastroenterologist
NPI1659530277PAC ID0244376093
Medicare services, 2024
38
Medicare patients, 2024
65
Part D claims, 2024
82
Publications
30
Clinical trials
6
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 3 affiliations

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Dr. Sidhartha Ranjit Sinha is a gastroenterologist in Stanford, California

Dr. Sinha practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Sinha's NPI, 1659530277, was assigned on June 9, 2008. Dr. Sinha graduated from UCSF School of Medicine in 2007. Dr. Sinha holds California license A105543.

NPI and contact details
Medicare PAC ID
0244376093
NPI enumeration date
June 9, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Sidhartha Ranjit Sinha practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Sinha's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Sidhartha Ranjit Sinha is affiliated with 2 sites of care and 1 medical group

Dr. Sinha's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Sinha to 1 more hospital, named with a free account. Dr. Sinha's employer is on file too: a hospital.

See all 3 affiliations for Dr. Sinha

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Sidhartha Ranjit Sinha's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sinha practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sidhartha Ranjit Sinha is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Sinha's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Sinha is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Sinha is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A105543 · 2008 to 2026 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acute diabetes, chronic inflammatory bowel disease (IBD), gastroenteritis, gastrointestinal bleeding, gastrointestinal inflammation, kidney failure, pancreatitis and pulmonary embolism among the conditions Dr. Sinha treats.

Gastroenterologists near Dr. Sinha

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Sidhartha Ranjit Sinha billed Medicare for 38 services in 2024

CMS data shows 38 Medicare services from Dr. Sinha across 2 procedure codes in 2024, for 65 Medicare patients. Medicare paid $5,545 for them.

Medicare services, 202438
Medicare patients65
Paid by Medicare$5,545
Procedure codes2

Dr. Sinha's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2232024: 3883%
Other services
2023: 162024: 0100%
Surgery
2023: 112024: 0100%

Where Dr. Sinha's Medicare services took place, 2024

  • In an office2566%
  • In a facility1334%

Dr. Sinha compared with the California median for gastroenterologists, 2024

  • Dr. Sinha
  • California median
Medicare services
38vs 58694% below
Medicare patients
65vs 30278% below
Part D claims
39vs 38090% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Sinha's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Sinha

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Sidhartha Ranjit Sinha treated 65 Medicare patients in 2024, average age 73

CMS counts 65 Medicare patients who saw Dr. Sinha in 2024. The largest group is 65 to 74, with 26 patients. 68% of them have high cholesterol, and 55% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sinha's median patient age at 46, with 43% women.

Medicare patients, 202465
Average age73
Average risk score1.69
Also on Medicaid22%

Dr. Sinha's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Sinha's Medicare patients by sex, 2024

  • Women3249%
  • Men3351%

Chronic conditions among Dr. Sinha's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure55%
  3. Ischemic heart disease37%
  4. Arthritis35%
  5. Diabetes32%
  6. Atrial fibrillation29%
  7. Chronic kidney disease26%
  8. Depression25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sinha's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women43%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Sidhartha Ranjit Sinha wrote 82 Medicare Part D claims in 2024

In 2024, Dr. Sinha wrote 82 Medicare Part D claims for 36 patients. 80% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $18,016 in total drug cost. In 2023, CMS named 57 claims across 3 drugs.

Part D claims, 202482
Drugs named by CMS2
Total drug cost$18,016
Part D patients36

Dr. Sinha's Part D claims by kind of drug, 2024

  • Generic66 claims80%
  • Brand-name16 claims20%

Dr. Sinha's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 572024: 3932%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Sinha

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Sidhartha Ranjit Sinha scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Sinha for performance year 2024, reported as part of a group. Dr. Sinha accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sinha as offering telehealth. CMS counts 22 procedures of colonoscopy by Dr. Sinha, more than 49% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Sinha's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Sinha ranks in Medicare procedure volume

Colonoscopy
49th percentile22 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
45th percentile14 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Sidhartha Ranjit Sinha has 30 publications on record

Dmand AI links 30 papers to Dr. Sinha, published from 2012 to 2025. 2021 was the busiest year, with 5. The most frequent topics are Inflammatory Bowel Diseases, Disease Models, Animal and Colitis. Dr. Sinha has published most often in Dig Dis Sci. Dr. Sinha's most frequent co-authors are Aida Habtezion, MD, Yan Jiang, MD and Chiraag Vaman Kulkarni, MD.

Papers30
Years published2012 to 2025

Dr. Sinha's papers by year, 2015 to 2025

Topics Dr. Sinha writes about most

  • Inflammatory Bowel Diseases
  • Disease Models, Animal
  • Colitis
  • Dextran Sulfate
  • Diet
  • Inflammation
  • Mice, Inbred C57BL
  • Anti-Inflammatory Agents

Dr. Sinha's most frequent co-authors

Recent publications by Dr. Sinha

See all 30 publications and co-authors

See who Dr. Sinha researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sinha works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Sidhartha Ranjit Sinha has worked on 6 clinical trials

Dmand AI links Dr. Sinha to 6 clinical trials. 3 are still active or recruiting. Conditions studied include Colitis, Ulcerative, Intermittent Fasting and Colitis. Stanford University sponsors the most, 6.

Clinical trials with Dr. Sinha by phase

  1. 1Phase 1: 1 trial
  2. NonePhase 2: no trials
  3. 1Phase 2/3: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Sinha's trials

  • Colitis, Ulcerative
  • Intermittent Fasting
  • Colitis
  • Fasting
  • Crohn Disease

Recent clinical trials with Dr. Sinha

See all 6 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Sidhartha Ranjit Sinha received $34,496 in industry payments from 2019 to 2023

CMS Open Payments shows 6 general payments to Dr. Sinha from 4 drug and device companies from 2019 to 2023. Consulting fees make up the largest share, 100% of the total. Celltrion, Inc. paid the most, $31,950. It also lists 3 research payments totaling $14,758 in 2018.

General payments to Dr. Sinha by program year, 2019 to 2023

General payments to Dr. Sinha by kind, 2019 to 2023

$34.5Kin total
  • Consulting fees$34,350100%
  • Food and beverage$1460%

Companies that paid Dr. Sinha the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Sinha

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Sidhartha Ranjit Sinha graduated from UCSF School of Medicine

Dr. Sinha graduated from UCSF School of Medicine in 2007.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Sidhartha Ranjit Sinha accepts plans from 7 insurance carriers

Dr. Sinha is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Sinha accepts, by number of carriers

  1. PPO6
  2. Medicare5
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Sidhartha Ranjit Sinha's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Sidhartha Ranjit Sinha

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Sidhartha Ranjit Sinha's NPI number?

Dr. Sidhartha Ranjit Sinha's NPI number is 1659530277. It was assigned on June 9, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Sidhartha Ranjit Sinha?

Dr. Sidhartha Ranjit Sinha is a gastroenterologist in Stanford, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Sidhartha Ranjit Sinha practice?

Dr. Sinha practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Sinha's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Sinha to 1 hospital.

What is Dr. Sidhartha Ranjit Sinha's office phone number?

The practice phone on file for Dr. Sinha is (650) 723-4000.

What is Dr. Sidhartha Ranjit Sinha's medical license number?

Dr. Sinha holds California license A105543.

Which hospitals is Dr. Sidhartha Ranjit Sinha affiliated with?

Dr. Sinha practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Sinha to 1 more hospital.

What medical group is Dr. Sidhartha Ranjit Sinha part of?

Dr. Sinha is linked to Stanford Health Care.

Does Dr. Sidhartha Ranjit Sinha accept Medicare?

Yes. CMS data shows Dr. Sinha billed Medicare for 38 services in 2024, and Dr. Sinha accepts Medicare assignment.

Does Dr. Sidhartha Ranjit Sinha offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Sinha as offering telehealth services.

What is Dr. Sidhartha Ranjit Sinha's MIPS score?

Dr. Sinha's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Sidhartha Ranjit Sinha see?

CMS counts 65 Medicare patients who saw Dr. Sinha in 2024, with an average age of 73.

Is Dr. Sidhartha Ranjit Sinha board certified?

Yes. Dr. Sinha is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Sidhartha Ranjit Sinha bill to Medicare?

In 2024, Dr. Sinha's most billed Medicare services were office visit, established patient (99215) and hospital inpatient care (99223).

Where did Dr. Sidhartha Ranjit Sinha go to medical school?

Dr. Sinha graduated from UCSF School of Medicine in 2007.

What drugs does Dr. Sidhartha Ranjit Sinha prescribe most?

In 2024 Medicare Part D data, Dr. Sinha's most prescribed drugs by claims were Mesalamine and Peg 3350-Electrolyte.

Has Dr. Sidhartha Ranjit Sinha received payments from drug or device companies?

CMS Open Payments shows $34,496 in general payments to Dr. Sinha from 4 companies from 2019 to 2023. The largest total came from Celltrion, Inc.

How long has Dr. Sidhartha Ranjit Sinha been practicing?

Dr. Sinha graduated from medical school in 2007, 19 years ago.

Does Dr. Sidhartha Ranjit Sinha do research?

Dmand AI links 30 publications to Dr. Sinha, published from 2012 to 2025. Dr. Sinha has worked on 6 clinical trials.

Who does Dr. Sidhartha Ranjit Sinha publish with?

Dr. Sinha's most frequent co-authors are Aida Habtezion, MD (6 shared papers), Yan Jiang, MD (4 shared papers) and Chiraag Vaman Kulkarni, MD (4 shared papers).

What insurance does Dr. Sidhartha Ranjit Sinha accept?

Dr. Sinha is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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