Physician Profile
Unclaimed ProfileAbout SIMPSON
Donald Rex Simpson, M.D., PhD is a specialist based in Northridge, CA. Donald is also listed as specializing in cytopathology and anatomic & clinical pathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 298-1442
- Email not available
Practice Locations
17425 PARTHENIA ST
Northridge, CA 91325
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other specialists in Northridge 8
Same specialty, same city.
Common questions
What does Dr. Simpson specialize in?
Dr. Simpson is a specialist in Northridge, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Specialist”.
NPI registry
Where is Dr. Simpson located?
Dr. Simpson is listed at 17425 PARTHENIA ST, Northridge, CA 91325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Simpson's phone number?
The number on file is (818) 298-1442. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Simpson?
Dr. Simpson's National Provider Identifier is 1699053397. 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. Simpson have?
Dr. Simpson has 15+ years experience. Registered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Simpson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Simpson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.