DR. SARA HELENA BONILLA-LARSEN MD
NPI 1194352419
Internal Medicine in Elk Grove, CA

Q: What is Sara Bonilla-larsen's NPI number?

The NPI number for Sara Bonilla-larsen is 1194352419. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Q: What is Sara Bonilla-larsen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 25, 2020PECOS EnrolledAccepts Medicare Assignment

8170 LAGUNA BLVD STE 220, ELK GROVE, CA 95758(916) 691-5900 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2025, Mar 25, 2020 (2 updates tracked since 2020).

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About Dr. Sara Helena Bonilla-larsen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SARA HELENA BONILLA-LARSEN MD (NPI 1194352419) is an individual internal medicine provider in Elk Grove, California, licensed in California (A190479) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1194352419

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. SARA HELENA BONILLA-LARSENCredential: MD

Location Address8170 LAGUNA BLVD STE 220Elk Grove, CA 95758-7902

Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071

Phone(916) 691-5900

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 25, 2020

Last NPPES UpdateAugust 6, 20252 updates tracked since enumeration

NPPES CertifiedAugust 6, 2025

✔ NPI 1194352419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A190479

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedPediatricsTaxonomy 208000000X · License A190479 (CA)

8170 LAGUNA BLVD STE 220, Elk Grove, CA 95758

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Secondary Practice Location 1

Location 11200 N State StLos Angeles, CA 90033-1083 · Phone (323) 409-6225

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. Sara Helena Bonilla-larsen 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.

PECOS PAC ID5294242764

PECOS Enrollment IDI20250729003056

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sara Bonilla-larsen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Valley Medical Foundation

15 mi

Multi-Specialty

2700 GATEWAY OAKS DR
Sacramento, CA 95833

Reassigned Medicare billing, California enrollment
3,056 clinicians in this Medicare group

NPI 1952327256 (800) 470-0071

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95758 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HAU PHUC LY DO

Family Medicine

8170 LAGUNA BLVD STE 220
ELK GROVE, CA 95758

Sacramento County (916) 691-5900

MS. CHERYL LEE GEORGE FNP

Nurse Practitioner (Family)

8170 LAGUNA BLVD STE 220
ELK GROVE, CA 95758

Sacramento County (916) 691-5900

SILEN BUN MD

Family Medicine

8170 LAGUNA BLVD STE 220
ELK GROVE, CA 95758

Sacramento County (916) 691-5900

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 Sara Bonilla-larsen's NPI number?

The NPI number for Sara Bonilla-larsen is 1194352419. It was assigned to this individual provider in the NPPES registry on March 25, 2020.

Where is Sara Bonilla-larsen located?

Sara Bonilla-larsen practices at 8170 Laguna Blvd Ste 220, Elk Grove, CA 95758. The listed phone number is (916) 691-5900.

What is Sara Bonilla-larsen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sara Bonilla-larsen enrolled in Medicare?

Yes. Sara Bonilla-larsen 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 organization bills Medicare for Sara Bonilla-larsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Bonilla-larsen reassigns Medicare benefits to Sutter Valley Medical Foundation (Sacramento, CA). The 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 Sara Bonilla-larsen'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 Sara Bonilla-larsen was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.