TIMOTHY MATTHEW RYAN M.D.
NPI 1295759439
Anesthesiology in Orange, CA
About Timothy Matthew Ryan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY MATTHEW RYAN M.D. (NPI 1295759439) is an individual anesthesiology provider in Orange, California, licensed in California (A72433) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Glendale, and is a graduate of University Of Minnesota Medical School (1995).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Timothy Matthew 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
2Medicare enrollment records show Timothy Ryan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 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 2
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Timothy Ryan's NPI number?
The NPI number for Timothy Ryan is 1295759439. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Timothy Ryan located?
Timothy Ryan practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.
What is Timothy Ryan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Timothy Ryan enrolled in Medicare?
Yes. Timothy 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 Timothy Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Ryan reassigns Medicare benefits to 2 organizations: Regents Of The University Of (Orange, CA) and Orange Coast Anesthesia Inc (Orange, 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 Timothy 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 Timothy Ryan was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Timothy Matthew Ryan, M.D. · NPI 1295759439
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1295759439 (Entity type: Individual)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A72433 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-8888
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Orange Coast Anesthesia Inc (NPI 1508138256, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1995
## Record status
- **NPPES last updated:** November 19, 2025
- **Other identifiers:** Other 00A724330 (CA); Medicaid 00A724330 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1295759439) · Data from the CMS NPPES public registry.