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MARIA VICTORIA CAYABYAB D.O.
NPI 1508165804
Obstetrics & Gynecology in Mount Vernon, WA

Active since March 25, 2011PECOS EnrolledAccepts Medicare Assignment
1400 E KINCAID ST, MOUNT VERNON, WA 98274(360) 428-2575(360) 428-6471 Get Directions Write a Review

NPPES record last updated: September 28, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 29, 2020, Aug 1, 2019 (2 updates tracked since 2019).

About Maria Victoria Cayabyab D.o. NPPES

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

MARIA VICTORIA CAYABYAB D.O. (NPI 1508165804) is an individual obstetrics & gynecology provider in Mount Vernon, Washington, licensed in Washington (OP60947453) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1508165804
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARIA VICTORIA CAYABYABCredential: D.O.
Location Address1400 E KINCAID STMount Vernon, WA 98274
Mailing AddressPo Box 3548Seattle, WA 98124-3548 · (360) 428-2575 · Fax (360) 428-6471
Phone(360) 428-2575
Fax(360) 428-6471
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 25, 2011
Last NPPES UpdateSeptember 28, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2023
✔ NPI 1508165804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · OP60947453
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1400 E KINCAID ST, Mount Vernon, WA 98274
Open in Google Maps ↗

Other Names 1

Former Name (1)Maria Victoria San Andres Zilinski

Secondary Practice Locations 4

Location 14700 Las Vegas Blvd NNellis AFB, NV 89191-6600 · Phone (702) 653-2300
Location 2903 Medical Center DrArlington, WA 98223-1697 · Phone (360) 435-0242 · Fax (360) 435-9135
Location 3400 S 43rd StRenton, WA 98055 · Phone (206) 575-2598
Location 42901 Squalicum PkwyBellingham, WA 98225-1851 · Phone (360) 788-6360 · Fax (360) 788-6376

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.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

Maria Victoria Cayabyab D.o. 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 ID9830405042
PECOS Enrollment IDI20190827004175
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

6

Medicare enrollment records show Maria Cayabyab reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Public Hospital Dist No 1 Skagit
Same address
General Practice
1400 E KINCAID ST
Mount Vernon, WA 98274
  • Reassigned Medicare billing, Washington enrollment
  • 463 clinicians in this Medicare group
NPI 1023332749 (360) 428-2500
Whidbey Island Public Hospital District
0.2 mi
Diagnostic Radiology
1320 E DIVISION ST
Mount Vernon, WA 98274
  • Reassigned Medicare billing, Washington enrollment
  • Also billed through NPI 1144348228 (Washington)
  • 142 clinicians in this Medicare group
NPI 1013538230 (360) 678-5151
Peacehealth
26 mi
Internal Medicine
2901 SQUALICUM PKWY
Bellingham, WA 98225
  • Reassigned Medicare billing, Washington enrollment
  • 390 clinicians in this Medicare group
NPI 1356309553 (360) 734-5400
King County Public Hospital District No 2
43 mi
Family Medicine
1909 214TH ST SE, SUITE 110
Bothell, WA 98021
  • Reassigned Medicare billing, Washington enrollment
  • 1,074 clinicians in this Medicare group
NPI 1902907165 (425) 488-4988
Obhg Washington, PC
55 mi
Obstetrics & Gynecology
1800 NW MYHRE RD
Silverdale, WA 98383
  • Reassigned Medicare billing, Washington enrollment
  • 223 clinicians in this Medicare group
NPI 1962729525 (800) 967-2289
Valley Medical Group-Renton
68 mi
General Acute Care Hospital
400 S 43RD ST
Renton, WA 98055
  • Reassigned Medicare billing, Washington enrollment
  • 689 clinicians in this Medicare group
NPI 1619209574 (425) 228-3440

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500014
Location1321 Colby AvenueEverett, WA 98201 · Snohomish County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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.

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.

GREGORY WILLIAM MALLEK M.D.
Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2575
PUBLIC HOSPITAL DIST NO 1 SKAGIT
General Practice
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
SKAGIT VALLEY MEDICAL CENTER
Durable Medical Equipment & Medical Supplies
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ERIN E CHARLES MD
Pediatrics
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
WILLIAM N HINDERSTEIN MD
Obstetrics & Gynecology
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ANN D BARSHNEY ARNP
Nurse Practitioner
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
PATRICIA A FRANKLIN MD
Surgery
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-2500
ERIC G POWELL DPM
Podiatrist (Foot & Ankle Surgery)
1400 E KINCAID ST
MOUNT VERNON, WA 98274
Skagit County (360) 848-4120

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 Maria Cayabyab's NPI number?

The NPI number for Maria Cayabyab is 1508165804. It was assigned to this individual provider in the NPPES registry on March 25, 2011. The provider is also known as Maria Victoria San Andres Zilinski.

Where is Maria Cayabyab located?

Maria Cayabyab practices at 1400 E Kincaid St, Mount Vernon, WA 98274. The listed phone number is (360) 428-2575.

What is Maria Cayabyab's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Maria Cayabyab enrolled in Medicare?

Yes. Maria Cayabyab 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 Maria Cayabyab's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Cayabyab reassigns Medicare benefits to 6 organizations: Public Hospital Dist No 1 Skagit (Mount Vernon, WA), Whidbey Island Public Hospital District (Mount Vernon, WA), Peacehealth (Bellingham, WA), King County Public Hospital District No 2 (Bothell, WA), Obhg Washington, PC (Silverdale, WA) 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 Maria Cayabyab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Cayabyab accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Maria Cayabyab 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.

Is Maria Cayabyab affiliated with any hospitals?

According to CMS data, Maria Cayabyab is affiliated with Providence Regional Medical Center Everett.

When was this NPI record last updated?

The NPPES record for Maria Cayabyab was last updated on September 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.