ALLISON BOYD M.D.
NPI 1033479894
Emergency Medicine in San Leandro, CA
About Allison Boyd M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON BOYD M.D. (NPI 1033479894) is an individual emergency medicine provider in San Leandro, California, licensed in California (A142672) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
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
Allison Boyd 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
3Medicare enrollment records show Allison Boyd reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Allison Boyd's NPI number?
The NPI number for Allison Boyd is 1033479894. It was assigned to this individual provider in the NPPES registry on May 25, 2012.
Where is Allison Boyd located?
Allison Boyd practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.
What is Allison Boyd's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Allison Boyd enrolled in Medicare?
Yes. Allison Boyd 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 Allison Boyd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Boyd reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Redwood City, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Allison Boyd'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 Allison Boyd was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Allison Boyd, M.D. · NPI 1033479894
Emergency Medicine physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since May 25, 2012.
## Identity
- **NPI:** 1033479894 (Entity type: Individual)
- **Enumerated:** May 25, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A142672 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 MERCED ST, San Leandro, CA 94577-4201
- **Phone:** (510) 454-1000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** December 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1033479894) · Data from the CMS NPPES public registry.