DR. EMILY M. BOYD MD
NPI 1871236117
Anesthesiology in San Francisco, CA
About Dr. Emily M. Boyd Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EMILY M. BOYD MD (NPI 1871236117) is an individual anesthesiology provider in San Francisco, California, licensed in California (A187889) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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. Emily M. Boyd 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
6Medicare enrollment records show Emily Boyd reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 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
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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.
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.
SAN FRANCISCO, CA 94143
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 Emily Boyd's NPI number?
The NPI number for Emily Boyd is 1871236117. It was assigned to this individual provider in the NPPES registry on April 14, 2022.
Where is Emily Boyd located?
Emily Boyd practices at 521 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-9035.
What is Emily Boyd's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Emily Boyd enrolled in Medicare?
Yes. Emily 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 Emily Boyd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emily Boyd reassigns Medicare benefits to 6 organizations: University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Brigham & Womens Physicians Organization Inc (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and 1 more organization, listed in the Medicare section above. 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 Emily Boyd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Emily Boyd accept?
Health plans from Taro Health list Emily Boyd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Emily Boyd was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Emily M. Boyd, MD · NPI 1871236117
Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 14, 2022.
## Identity
- **NPI:** 1871236117 (Entity type: Individual)
- **Enumerated:** April 14, 2022
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A187889 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 521 PARNASSUS AVE, San Francisco, CA 94143-2206
- **Phone:** (415) 476-9035 · **Fax:** (415) 353-9163
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871236117) · Data from the CMS NPPES public registry.