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Edit this profileAt a glance
- 3553 Whipple Rd, Union City, CA 94587
About Dr. Chang
Elmer Chang, M.D. practices internal medicine in Union City, CA. The provider's National Provider Identifier (NPI) is 1710065578.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (510) 454-1000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3553 WHIPPLE RD
Union City, CA 94587
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 internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 18 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Elmer Chang specialize in?
Elmer Chang is an internist in Union City, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Elmer Chang located?
Elmer Chang is listed at 3553 Whipple Rd, Union City, CA 94587. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Elmer Chang's phone number?
The number on file is (510) 454-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Elmer Chang's NPI number?
Elmer Chang's National Provider Identifier is 1710065578. 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
Where did Elmer Chang train?
Elmer Chang attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Elmer Chang been practicing?
Elmer Chang has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
Has Elmer Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Elmer Chang. If this is you, claiming it is free.
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