Physician Profile
Guillermo J. Valenzuela, MD
Unclaimed ProfileAbout Dr. Valenzuela
Guillermo J. Valenzuela, MD practices obstetrics/gynecology in Colton, CA. Guillermo is also listed as specializing in maternal & fetal medicine. The provider's National Provider Identifier (NPI) is 1730263484.
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
- (909) 580-6333
- Email not available
Practice Locations
400 N PEPPER AVE MOB 206
Colton, CA 92324
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 obstetrics/gynecology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other obstetrics/gynecology specialists in Colton 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Valenzuela?
Dr. Valenzuela is an obstetrics/gynecology in Colton, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Valenzuela's address?
Dr. Valenzuela is listed at 400 N Pepper Ave Mob 206, Colton, CA 92324. 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. Valenzuela?
The number on file is (909) 580-6333. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Valenzuela's NPI number?
Dr. Valenzuela's National Provider Identifier is 1730263484. 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 Dr. Valenzuela train?
Dr. Valenzuela attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Valenzuela been practicing?
Dr. Valenzuela has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Valenzuela confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Valenzuela. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.