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Edit this profileAt a glance
- 6621 Fannin St, Houston, TX 77030
About Dr. Dreyer
Based in Houston, TX, William Dreyer, MD is listed in the NPI registry under pediatric cardiology. NPI 1184704421 identifies this record in the national registry.
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
- (832) 826-5600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
6621 FANNIN ST
Houston, TX 77030
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 pediatric cardiology 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 pediatric cardiology specialists in Houston 8
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 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Dreyer?
Dr. Dreyer is a pediatric cardiology in Houston, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Dreyer's address?
Dr. Dreyer is listed at 6621 Fannin St, Houston, TX 77030. 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. Dreyer?
The number on file is (832) 826-5600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Dreyer?
Dr. Dreyer's National Provider Identifier is 1184704421. 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. Dreyer train?
Dr. Dreyer attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dreyer have?
Dr. Dreyer has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Dreyer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dreyer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.