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

DR. AGUSTIN SIBONA M.D.
NPI 1891153342
Surgery - Vascular Surgery in Newport Beach, CA

Active since January 29, 2016PECOS Enrolled
85.18/100
CMS Quality Rating
520 SUPERIOR AVE STE 300, NEWPORT BEACH, CA 92663(949) 764-8960(949) 764-8961 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 27, 2026, Aug 19, 2022, Jul 27, 2022 and 1 more (4 updates tracked since 2016).

About Dr. Agustin Sibona M.d. NPPES

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

DR. AGUSTIN SIBONA M.D. (NPI 1891153342) is an individual vascular surgery provider in Newport Beach, California, licensed in California (A152943) and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1891153342
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. AGUSTIN SIBONACredential: M.D.
Location Address520 SUPERIOR AVE STE 300Newport Beach, CA 92663-3668
Mailing Address520 Superior Ave Ste 300Newport Beach, CA 92663-3668 · (949) 764-8960 · Fax (949) 764-8961
Phone(949) 764-8960
Fax(949) 764-8961
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateJanuary 29, 2016
Last NPPES UpdateOctober 27, 20264 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1891153342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License✔ Licensed in CA · A152943
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
520 SUPERIOR AVE STE 300, Newport Beach, CA 92663
Open in Google Maps ↗

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. Agustin Sibona 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.

PECOS PAC ID6901288976
PECOS Enrollment IDI20220808001975
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 Agustin Sibona reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hoag Clinic
0.1 mi
Primary Care
510 SUPERIOR AVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 529 clinicians in this Medicare group
NPI 1942799523 (949) 791-3001
Faculty Physicians And Surgeons Of Llusm
3.5 mi
Neurology
359 SAN MIGUEL DR, STE 105
Newport Beach, CA 92660
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1093117962 (909) 558-2880

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 92663 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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.

85.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

Other Providers at the Same Location NPPES 6

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

ALLEN MURGA M.D.
Surgery (Vascular Surgery)
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 764-5960
KUNAL RAGHUBANS SINHA MD
Physical Medicine & Rehabilitation
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 764-1411
MRS. NICOLE A TOMLIN PA-C
Physician Assistant
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 474-5722
NISHANT SHARMA MD
Surgery
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 764-8960
DR. ANTONIO JAVIER COVARRUBIAS M.D.
Surgery (Vascular Surgery)
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 764-8960
MITCHELL THOMAS FALLON PA-C
Physician Assistant
520 SUPERIOR AVE STE 300
NEWPORT BEACH, CA 92663
Orange County (949) 764-1411

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 Agustin Sibona's NPI number?

The NPI number for Agustin Sibona is 1891153342. It was assigned to this individual provider in the NPPES registry on January 29, 2016.

Where is Agustin Sibona located?

Agustin Sibona practices at 520 Superior Ave Ste 300, Newport Beach, CA 92663. The listed phone number is (949) 764-8960.

What is Agustin Sibona's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Agustin Sibona enrolled in Medicare?

Yes. Agustin Sibona 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 Agustin Sibona's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Agustin Sibona reassigns Medicare benefits to 2 organizations: Hoag Clinic (Newport Beach, CA) and Faculty Physicians And Surgeons Of Llusm (Newport Beach, 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 Agustin Sibona'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 Agustin Sibona was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.