Physician Profile
Dennis W. Nielson, MD
Unclaimed ProfileAbout Dr. Nielson
Dennis W. Nielson, MD practices pediatric pulmonology in San Francisco, CA. Dennis is also listed as specializing in pediatrics.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (415) 353-2113
- Email not available
Practice Locations
400 PARNASSUS AVE 2ND FLOOR
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.
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.
Common questions
What is Dr. Nielson's specialty?
Dr. Nielson is a pediatric pulmonology in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Nielson?
Dr. Nielson is listed at 400 Parnassus Ave 2Nd Floor, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Nielson?
The number on file is (415) 353-2113. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Nielson's NPI number?
Dr. Nielson's National Provider Identifier is 1801850706. 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
How long has Dr. Nielson been practicing?
Dr. Nielson has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Nielson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nielson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.