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Edit this profileAt a glance
- 4951 Arroyo Rd, Livermore Division, General Medical Clinic, Livermore, CA 94550
About Dr. Obrien
Loretta M. Obrien, MD is a healthcare provider in Livermore, CA specializing in infectious disease. This provider record is associated with NPI 1750379657.
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
- (925) 373-4700
- Email not available
Practice Locations
4951 ARROYO RD LIVERMORE DIVISION, GENERAL MEDICAL CLINIC
Livermore, CA 94550
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 kind of doctor is Dr. Obrien?
Dr. Obrien is an infectious disease specialist in Livermore, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
What is Dr. Obrien's address?
Dr. Obrien is listed at 4951 Arroyo Rd Livermore Division, General Medical Clinic, Livermore, CA 94550. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Obrien?
The number on file is (925) 373-4700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Obrien?
Dr. Obrien's National Provider Identifier is 1750379657. 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 much experience does Dr. Obrien have?
Dr. Obrien has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Obrien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Obrien. If this is you, claiming it is free.
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