Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SAMANTHA DAWN BUTTERFIELD MD
NPI 1457930885
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Daly City, CA

Active since April 04, 2021PECOS EnrolledAccepts Medicare Assignment
395 HICKEY BLVD # 501, DALY CITY, CA 94015(650) 301-4550 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2026, Jun 2, 2025, May 18, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Samantha Dawn Butterfield Md NPPES

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

DR. SAMANTHA DAWN BUTTERFIELD MD (NPI 1457930885) is an individual pediatric ophthalmology and strabismus specialist in Daly City, California, licensed in California (A180314) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Mayo Medical School (2021).

NPPES Registry Identity

NPI1457930885
Entity TypeIndividualFemale
Primary Taxonomy207WX0110X
Provider Legal NameDR. SAMANTHA DAWN BUTTERFIELDCredential: MD
Location Address395 HICKEY BLVD # 501Daly City, CA 94015-2770
Mailing Address5820 Owens DrPleasanton, CA 94588-3900 · (510) 625-6262
Sole ProprietorNo
Medical School CMSMayo Medical SchoolGraduated 2021
Enumeration DateApril 4, 2021
Last NPPES UpdateSeptember 9, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1457930885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Pediatric Ophthalmology and Strabismus SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0110X
License✔ Licensed in CA · A180314
Definition
An ophthalmologist who specializes in pediatric ophthalmology and strabismus management. The subspecialty includes the medical and surgical management of eye disorders found in children. Some of the more common disorders include amblyopia, strabismus, refractive error, cataract and glaucoma. These disorders may be related to neurological and endocrinological diseases, trauma, or aging changes in the extraocular muscles requiring medical, optical and surgical management.
395 HICKEY BLVD # 501, Daly City, CA 94015

Other Names 1

Other Name (5)Samantha Dawn Sagaser Md

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. Samantha Dawn Butterfield 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 ID6608392378
PECOS Enrollment IDI20250424003514
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 Reassignments

2

Medicare enrollment records show Samantha Butterfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Pediatric Cardiology
2643 PATTERSON RD STE 603
Grand Junction, CO 81506
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94015 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Samantha Butterfield's NPI number?

The NPI number for Samantha Butterfield is 1457930885. It was assigned to this individual provider in the NPPES registry on April 4, 2021. The provider is also known as Samantha Dawn Sagaser MD.

Where is Samantha Butterfield located?

Samantha Butterfield practices at 395 Hickey Blvd # 501, Daly City, CA 94015. The listed phone number is (650) 301-4550.

What is Samantha Butterfield's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Pediatric Ophthalmology and Strabismus Specialist, with taxonomy code 207WX0110X.

Is Samantha Butterfield enrolled in Medicare?

Yes. Samantha Butterfield 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 Samantha Butterfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Butterfield reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (San Francisco, CA) and University Physicians Incorporated (Grand Junction, CO). 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 Samantha Butterfield'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 Samantha Butterfield was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.