DR. CAROLINE RYAN M.D.
NPI 1114084209
Anesthesiology in Santa Cruz, CA
About Dr. Caroline Ryan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAROLINE RYAN M.D. (NPI 1114084209) is an individual anesthesiology provider in Santa Cruz, California, licensed in California (A111475) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Caroline Ryan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Caroline Ryan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Cruz, CA 95065
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Salinas, CA 93906
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Monterey, CA 93940
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
King City, CA 93930
- Reassigned Medicare billing, California enrollment
- 156 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA CRUZ, CA 95065
SANTA CRUZ, CA 95065
SANTA CRUZ, CA 95065
SANTA CRUZ, CA 95065
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Caroline Ryan's NPI number?
The NPI number for Caroline Ryan is 1114084209. It was assigned to this individual provider in the NPPES registry on January 2, 2007.
Where is Caroline Ryan located?
Caroline Ryan practices at 1555 Soquel Dr, Santa Cruz, CA 95065. The listed phone number is (831) 462-7562.
What is Caroline Ryan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Caroline Ryan enrolled in Medicare?
Yes. Caroline Ryan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Caroline Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Ryan reassigns Medicare benefits to 5 organizations: Anesthesia Medical Group Of Santa Cruz, Inc. (Santa Cruz, CA), Monterey Anesthesia Professionals (Salinas, CA), Ventana Anesthesia Associates Inc (Monterey, CA), Cypress Coast Anesthesia Medical Group, Inc. (Salinas, CA) and Southern Monterey County Memorial Hospital (King City, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caroline Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Caroline Ryan was last updated on November 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.