Clin J Gastroenterol
Foreign-Body MigrationHerniorrhaphyIntestinal Obstruction
Dr. Lygia Stewart, MD
NPI1609954387
- Publications
- 32
- Industry payments
- $420
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4150 Clement St, San Francisco, CA 94121
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Francisco VA Medical Center
San Francisco, California
Find Dr. Stewart's professional email, personal email and mobile number
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Dr. Lygia Stewart is a general surgeon in San Francisco, California
Dr. Stewart practices at San Francisco VA Medical Center in San Francisco, California.
Dr. Stewart's NPI, 1609954387, was assigned on November 1, 2006. Dr. Stewart graduated from Spencer Fox Eccles School of Medicine in 1982. Dr. Stewart's California license number on file is G52246.
NPI and contact details
- NPI
- 1609954387NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lygia Stewart practices at San Francisco VA Medical Center in San Francisco, California
Dr. Stewart's primary practice is San Francisco VA Medical Center, at 4150 Clement St, San Francisco, CA 94121 in San Francisco County. The practice phone is (702) 341-3020.
- San Francisco VA Medical Center4150 Clement St, San Francisco, CA 94121 · San Francisco CountyPhone(702) 341-3020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lygia Stewart is affiliated with 1 site of care
Dr. Stewart's primary practice is San Francisco VA Medical Center in San Francisco, California.
San Francisco VA Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Lygia Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Francisco VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Lygia Stewart is one of 2,926 general surgeons in California
Surgery is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Stewart is board certified in surgery by the American Board of Surgery. Dr. Stewart has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Stewart
Counts of general surgeons 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. Lygia Stewart has 32 publications on record
Dmand AI links 32 papers to Dr. Stewart, published from 2004 to 2020. 2014 was the busiest year, with 3. The most frequent topics are Gastric Bypass, Gallstones and Bacteria. Dr. Stewart has published most often in J Gastrointest Surg. Dr. Stewart's most frequent co-authors are Stanley James Rogers, MD, Anne Louise Schafer, MD and Jonathan Todd Carter, MD.
Papers32
Years published2004 to 2020
Dr. Stewart's papers by year, 2010 to 2020
Topics Dr. Stewart writes about most
- Gastric Bypass
- Gallstones
- Bacteria
- Laparoscopy
- Pigments, Biological
- Body Mass Index
- Obesity, Morbid
- Tumor Necrosis Factor-alpha
Dr. Stewart's most frequent co-authors
- Stanley James Rogers, MD9 shared papers
- Anne Louise Schafer, MD7 shared papers
- Jonathan Todd Carter, MD5 shared papers
Recent publications by Dr. Stewart
Cholangiopancreatography, Endoscopic RetrogradeCholedocholithiasisCommon Bile Duct
Body Mass IndexGastric BypassLaparoscopy
J Gastrointest Surg
Catheter-Related InfectionsComorbidityDiabetes Mellitus
See who Dr. Stewart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stewart works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lygia Stewart received $420 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Stewart from 2 drug and device companies from 2023 to 2025. Travel and lodging make up the largest share, 58% of the total. Stryker Corporation paid the most, $244.
General payments to Dr. Stewart by program year, 2023 to 2025
General payments to Dr. Stewart by kind, 2023 to 2025
$420in total
- Travel and lodging$24458%
- Food and beverage$17742%
Companies that paid Dr. Stewart the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lygia Stewart graduated from Spencer Fox Eccles School of Medicine
Dr. Stewart graduated from Spencer Fox Eccles School of Medicine in 1982. Dr. Stewart is a member of AHPBA, AOA, ACS, American Society of Professionals in Patient Safety, Association of VA Surgeons and Association of Women Surgeons.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Lygia Stewart's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lygia Stewart
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. Lygia Stewart's NPI number?
Dr. Lygia Stewart's NPI number is 1609954387. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lygia Stewart?
Dr. Lygia Stewart is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Lygia Stewart practice?
Dr. Stewart practices at 4150 Clement St, San Francisco, CA 94121. Dr. Stewart's primary practice is San Francisco VA Medical Center in San Francisco, California.
What is Dr. Lygia Stewart's office phone number?
The practice phone on file for Dr. Stewart is (702) 341-3020.
What is Dr. Lygia Stewart's medical license number?
Dr. Stewart's California license number on file is G52246.
Is Dr. Lygia Stewart board certified?
Yes. Dr. Stewart is board certified in surgery by the American Board of Surgery.
Where did Dr. Lygia Stewart go to medical school?
Dr. Stewart graduated from Spencer Fox Eccles School of Medicine in 1982.
Has Dr. Lygia Stewart received payments from drug or device companies?
CMS Open Payments shows $420 in general payments to Dr. Stewart from 2 companies from 2023 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Lygia Stewart been practicing?
Dr. Stewart graduated from medical school in 1982, 44 years ago.
Does Dr. Lygia Stewart do research?
Dmand AI links 32 publications to Dr. Stewart, published from 2004 to 2020.
Who does Dr. Lygia Stewart publish with?
Dr. Stewart's most frequent co-authors are Stanley James Rogers, MD (9 shared papers), Anne Louise Schafer, MD (7 shared papers) and Jonathan Todd Carter, MD (5 shared papers).
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