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Edit this profileAt a glance
- 1500 E Duarte Rd, Duarte, CA 91010
About Dr. Grannis
Frederic Grannis, MD is a healthcare provider in Duarte, CA specializing in thoracic surgery (cardiothoracic). Frederic is also listed as specializing in surgery of the hand. This provider record is associated with NPI 1598773582.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (626) 359-8111
- Email not available
Practice Locations
1500 E DUARTE RD
Duarte, CA 91010
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 does Dr. Grannis specialize in?
Dr. Grannis is a thoracic surgery (cardiothoracic) in Duarte, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Grannis located?
Dr. Grannis is listed at 1500 E Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grannis's phone number?
The number on file is (626) 359-8111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Grannis's NPI number?
Dr. Grannis's National Provider Identifier is 1598773582. 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. Grannis been practicing?
Dr. Grannis 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. Grannis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grannis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.