Catherine A. Ryan, M.D. is a healthcare provider in Boulder, CO specializing in obstetrics/gynecology. Catherine is also listed as specializing in gynecology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Ryan is an obstetrics/gynecology in Boulder, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
Dr. Ryan is listed at 4745 ARAPAHOE AVE STE 110, Boulder, CO 80303. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 444-5110. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ryan's National Provider Identifier is 1730295940. 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
Dr. Ryan attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ryan has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
4745 ARAPAHOE AVE STE 110
Boulder, CO 80303
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.