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Edit this profileAt a glance
- 505 Parnassus Ave, San Francisco, CA 94143
About Dr. Day
Based in San Francisco, CA, Lukejohn W. Day, M.D. is listed in the NPI registry under gastroenterology. Lukejohn graduated from Stanford University School of Medicine in 2004. NPI 1669623773 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 377-2176
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
505 PARNASSUS AVE
San Francisco, CA 94143
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in San Francisco 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Lukejohn W. Day?
Lukejohn W. Day is a gastroenterologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Lukejohn W. Day's address?
Lukejohn W. Day is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Lukejohn W. Day?
The number on file is (415) 377-2176. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Lukejohn W. Day?
Lukejohn W. Day's National Provider Identifier is 1669623773. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Lukejohn W. Day train?
Lukejohn W. Day attended Stanford University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Lukejohn W. Day have?
Lukejohn W. Day has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
Is Lukejohn W. Day's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Lukejohn W. Day. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.