RYAN EDWARD DERBY MD
NPI 1306055231
Anesthesiology in Stanford, CA
About Ryan Edward Derby Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN EDWARD DERBY MD (NPI 1306055231) is an individual anesthesiology provider in Stanford, California, licensed in California (A121797) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 3
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
Ryan Edward Derby Md 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
4Medicare enrollment records show Ryan Derby reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
San Francisco, CA 94115
- Reassigned Medicare billing, California enrollment
- 152 clinicians in this Medicare group
Sherman Oaks, CA 91403
- Reassigned Medicare billing, California enrollment
- 6 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Ryan Derby's NPI number?
The NPI number for Ryan Derby is 1306055231. It was assigned to this individual provider in the NPPES registry on May 21, 2007.
Where is Ryan Derby located?
Ryan Derby practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Ryan Derby's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ryan Derby enrolled in Medicare?
Yes. Ryan Derby 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 Ryan Derby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Derby reassigns Medicare benefits to 4 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Bay Area Foot Care, Inc (San Francisco, CA) and Total Spine Institute Inc (Sherman Oaks, 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 Ryan Derby'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 Ryan Derby was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ryan Edward Derby, MD · NPI 1306055231
Anesthesiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since May 21, 2007.
## Identity
- **NPI:** 1306055231 (Entity type: Individual)
- **Enumerated:** May 21, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A121797 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Bay Area Foot Care, Inc (NPI 1508911892, San Francisco, CA); Total Spine Institute Inc (NPI 1932856382, Sherman Oaks, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Utah School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** April 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1306055231) · Data from the CMS NPPES public registry.