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Dr. Nels Marcus Thygeson, MD

  • San Rafael, CA
  • Gastroenterologist
NPI1114189495
Publications
5
State licenses
2
Year NPI issued
2008
Practice address
24 Mooring Rd, San Rafael, CA 94901-3515
Practice phone
Call (651) 269-1404
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

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Dr. Nels Marcus Thygeson is a gastroenterologist in San Rafael, California

Dr. Thygeson practices in San Rafael, California.

Dr. Thygeson's NPI, 1114189495, was assigned on June 27, 2008. Dr. Thygeson graduated from Harvard Medical School in 1980. Dr. Thygeson holds California license G54492.

NPI and contact details
NPI
1114189495NPI Registry (opens in a new tab)
NPI enumeration date
June 27, 2008
NPI status
Active
Practice phone
(651) 269-1404
Professional email
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Personal email
Get email
Mobile number
Get number
Medical school graduation
1980

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

Dr. Nels Marcus Thygeson's practice address is in San Rafael, California

Dr. Thygeson's practice address in the NPI Registry is 24 Mooring Rd, San Rafael, CA 94901-3515. The practice phone is (651) 269-1404.

  • NPI Registry address
    24 Mooring Rd, San Rafael, CA 94901-3515Phone(651) 269-1404

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

Dmand AI tracks the EHR system at Dr. Nels Marcus Thygeson's practice

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

EHR by site
SiteEHR vendor and product
Dr. Thygeson's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nels Marcus Thygeson is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Thygeson's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Thygeson is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Thygeson's licenses on file in 2 states: California and Minnesota.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense G54492 · 1985 to 2026 · taxonomy 207RG0100X
  • Minnesota licenseLicense 47465 · 2005 to 2025

Gastroenterologists near Dr. Thygeson

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

1,977gastroenterologists in California
3gastroenterologists in San Rafael

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

Dr. Nels Marcus Thygeson has 5 publications on record

Dmand AI links 5 papers to Dr. Thygeson in 2009. The most frequent topics are Leiomyoma.

Papers5

Topics Dr. Thygeson writes about most

  • Leiomyoma

Recent publications by Dr. Thygeson

See all 5 publications and co-authors

See who Dr. Thygeson researches with

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

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

Dr. Nels Marcus Thygeson graduated from Harvard Medical School

Dr. Thygeson graduated from Harvard Medical School in 1980.

  1. Medical schoolHarvard Medical School
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Nels Marcus Thygeson'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
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile 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. Nels Marcus Thygeson

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. Nels Marcus Thygeson's NPI number?

Dr. Nels Marcus Thygeson's NPI number is 1114189495. It was assigned on June 27, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Nels Marcus Thygeson?

Dr. Nels Marcus Thygeson is a gastroenterologist in San Rafael, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Nels Marcus Thygeson practice?

Dr. Thygeson practices at 24 Mooring Rd, San Rafael, CA 94901-3515.

What is Dr. Nels Marcus Thygeson's office phone number?

The practice phone on file for Dr. Thygeson is (651) 269-1404.

What is Dr. Nels Marcus Thygeson's medical license number?

Dr. Thygeson holds California license G54492, one of the licenses on file in 2 states.

Which states has Dr. Nels Marcus Thygeson been licensed in?

Dmand AI has state licenses on file for Dr. Thygeson in California (1985 to 2026) and Minnesota (2005 to 2025).

Is Dr. Nels Marcus Thygeson board certified?

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

Where did Dr. Nels Marcus Thygeson go to medical school?

Dr. Thygeson graduated from Harvard Medical School in 1980.

How long has Dr. Nels Marcus Thygeson been practicing?

Dr. Thygeson graduated from medical school in 1980, 46 years ago.

Does Dr. Nels Marcus Thygeson do research?

Dmand AI links 5 publications to Dr. Thygeson.

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