MRS. LARA KRISA HOYLE ELGIN FNP-BC, MPH
NPI 1043655053
Nurse Practitioner - Family in San Francisco, CA
About Mrs. Lara Krisa Hoyle Elgin Fnp-bc, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LARA KRISA HOYLE ELGIN FNP-BC, MPH (NPI 1043655053) is an individual family provider in San Francisco, California, licensed in California (23009) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Mrs. Lara Krisa Hoyle Elgin Fnp-bc, Mph 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
7Medicare enrollment records show Lara Elgin reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94105
- Reassigned Medicare billing, California enrollment
- 10 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 132 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94116
- 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
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
- 2,460 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
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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Lara Elgin's NPI number?
The NPI number for Lara Elgin is 1043655053. It was assigned to this individual provider in the NPPES registry on May 3, 2013.
Where is Lara Elgin located?
Lara Elgin practices at 535 Mission Bay Blvd S, San Francisco, CA 94143. The listed phone number is (415) 353-2873.
What is Lara Elgin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lara Elgin enrolled in Medicare?
Yes. Lara Elgin 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 Lara Elgin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lara Elgin reassigns Medicare benefits to 7 organizations: Geriatrics Care Solution Inc (San Francisco, CA), Sutter Bay Hospitals (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), Permanente Medical Group Inc (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and 2 more organizations, 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 Lara Elgin'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 Lara Elgin was last updated on September 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mrs. Lara Krisa Hoyle Elgin, FNP-BC, MPH · NPI 1043655053
Family physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 3, 2013.
## Identity
- **NPI:** 1043655053 (Entity type: Individual)
- **Enumerated:** May 3, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 23009 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 535 MISSION BAY BLVD S, San Francisco, CA 94143-2156
- **Phone:** (415) 353-2873
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Geriatrics Care Solution Inc (NPI 1477399590, San Francisco, CA); Sutter Bay Hospitals (NPI 1740348929, San Francisco, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** September 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043655053) · Data from the CMS NPPES public registry.