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Edit this profileAt a glance
- 99 Montecillo Rd, San Rafael, CA 94903
About Dr. Chien
Jeffrey S. Chien, MD is a healthcare provider in San Rafael, CA specializing in otolaryngology (ent). This provider record is associated with NPI 1770667776.
Factual summary compiled by Guide.md from public records; not written by this provider.
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) 444-2000
- Email not available
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Practice Locations
99 MONTECILLO RD
San Rafael, CA 94903
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. Chien's specialty?
Dr. Chien is an otolaryngology (ent) in San Rafael, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Chien?
Dr. Chien is listed at 99 Montecillo Rd, San Rafael, CA 94903. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chien?
The number on file is (415) 444-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chien's NPI number?
Dr. Chien's National Provider Identifier is 1770667776. 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. Chien been practicing?
Dr. Chien 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. Chien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.