Dr. Smita S. Rouillard, MD

  • Richmond, CA
  • Gastroenterologist
NPI1144308982
Part D claims, 2017
12
Publications
6
Hospital affiliations
1
Industry payments
$43
Medical group
1
Practice address
901 Nevin Ave, Richmond, CA 94801
Practice phone
Call (510) 307-1555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Richmond Medical Center

Richmond, California

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Dr. Smita S. Rouillard is a gastroenterologist in Richmond, California

Dr. Rouillard practices at Richmond Medical Center in Richmond, California.

Dr. Rouillard's NPI, 1144308982, was assigned on November 1, 2006. Dr. Rouillard graduated from Stanford University School Of Medicine in 1992. Dr. Rouillard holds California license G81627.

NPI and contact details
NPI enumeration date
November 1, 2006
NPI status
Active
Practice phone
(510) 307-1555
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
60
Medical school graduation
1992

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

Dr. Smita S. Rouillard practices at Richmond Medical Center in Richmond, California

Dr. Rouillard's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.

  • Richmond Medical Center
    901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Smita S. Rouillard is affiliated with 2 sites of care and 1 medical group

Dr. Rouillard's primary practice is Richmond Medical Center in Richmond, California. Dr. Rouillard is also affiliated with Kaiser Permanente Fresno Medical Center. The medical group on file is The Permanente Medical Group, Inc.

See all 3 affiliations for Dr. Rouillard

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Smita S. Rouillard's practice

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

EHR by site
SiteEHR vendor and product
Richmond Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Smita S. Rouillard is one of 1,977 gastroenterologists in California

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

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense G81627 · 1995 to 2027 · taxonomy 207RG0100X

Gastroenterologists near Dr. Rouillard

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. Smita S. Rouillard's patients have a median age of 33

Across all payers, Dmand AI patient panel data puts Dr. Rouillard's median patient age at 33, with 61% women.

Dr. Rouillard's patients across all payers

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

Patient panel by age, all payers

Median age 33

Patient panel by sex, all payers

  • Women61%
  • Men39%

Source: Dmand AI Patient Panel Data

Dr. Smita S. Rouillard wrote 12 Medicare Part D claims in 2017

In 2017, Dr. Rouillard wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $3,323 in total drug cost. In 2016, CMS named 30 claims across 2 drugs.

Part D claims, 201712
Drugs named by CMS1
Total drug cost$3,323

Dr. Rouillard's most prescribed drugs by claims, 2017

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, 2016 to 2017

  • 2016
  • 2017
Claims for drugs CMS names
2016: 302017: 1260%

Drugs named by CMS: 1 in 2017, 2 in 2016.

See all prescribing by Dr. Rouillard

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

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Dr. Smita S. Rouillard has 6 publications on record

Dmand AI links 6 papers to Dr. Rouillard, published from 2020 to 2024. 2020 was the busiest year, with 3. The most frequent topics are Telemedicine. Dr. Rouillard has published most often in Gastroenterology. Dr. Rouillard's most frequent co-authors are Douglas A. Corley, MD, Yi-Fen I. Chen, MD and Jeffrey M. Fox, MD.

Papers6
Years published2020 to 2024

Topics Dr. Rouillard writes about most

  • Telemedicine

Dr. Rouillard's most frequent co-authors

Recent publications by Dr. Rouillard

See all 6 publications and co-authors

See who Dr. Rouillard researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rouillard 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. Smita S. Rouillard received $43 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Rouillard from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $43.

Companies that paid Dr. Rouillard the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Rouillard

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

Dr. Smita S. Rouillard has 1 award and honors on record

Dmand AI lists 1 award for Dr. Rouillard, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Rouillard

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Smita S. Rouillard graduated from Stanford University School Of Medicine

Dr. Rouillard graduated from Stanford University School Of Medicine in 1992.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Smita S. Rouillard accepts plans from 1 insurance carrier

Dr. Rouillard is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente

Plan types Dr. Rouillard accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Smita S. Rouillard'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Smita S. Rouillard

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. Smita S. Rouillard's NPI number?

Dr. Smita S. Rouillard's NPI number is 1144308982. It was assigned on November 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Smita S. Rouillard?

Dr. Smita S. Rouillard is a gastroenterologist in Richmond, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Smita S. Rouillard practice?

Dr. Rouillard practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Rouillard's primary practice is Richmond Medical Center in Richmond, California.

What is Dr. Smita S. Rouillard's office phone number?

The practice phone on file for Dr. Rouillard is (510) 307-1555.

What is Dr. Smita S. Rouillard's medical license number?

Dr. Rouillard holds California license G81627.

Which hospitals is Dr. Smita S. Rouillard affiliated with?

Dr. Rouillard is affiliated with Kaiser Permanente Fresno Medical Center.

What medical group is Dr. Smita S. Rouillard part of?

Dr. Rouillard is linked to The Permanente Medical Group, Inc.

Is Dr. Smita S. Rouillard board certified?

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

Where did Dr. Smita S. Rouillard go to medical school?

Dr. Rouillard graduated from Stanford University School Of Medicine in 1992.

What drugs does Dr. Smita S. Rouillard prescribe most?

In 2017 Medicare Part D data, Dr. Rouillard's most prescribed drugs by claims were Ursodiol.

Show 5 more questionsShow fewer questions

Has Dr. Smita S. Rouillard received payments from drug or device companies?

CMS Open Payments shows $43 in general payments to Dr. Rouillard from 1 company from 2025 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Smita S. Rouillard been practicing?

Dr. Rouillard graduated from medical school in 1992, 34 years ago.

Does Dr. Smita S. Rouillard do research?

Dmand AI links 6 publications to Dr. Rouillard, published from 2020 to 2024.

Who does Dr. Smita S. Rouillard publish with?

Dr. Rouillard's most frequent co-authors are Douglas A. Corley, MD (5 shared papers), Yi-Fen I. Chen, MD (2 shared papers) and Jeffrey M. Fox, MD (2 shared papers).

What insurance does Dr. Smita S. Rouillard accept?

Dr. Rouillard is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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