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WILLIAM ANDRE SILVA M.D.
NPI 1861413965
Obstetrics & Gynecology in Mount Vernon, WA

Active since July 22, 2006PECOS EnrolledAccepts Medicare Assignment
125 N 18TH ST STE A, MOUNT VERNON, WA 98273(605) 885-5703(360) 588-5562 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 9, 2024, Mar 13, 2023, Sep 9, 2022 and 2 more (5 updates tracked since 2022).

About William Andre Silva M.d. NPPES

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

WILLIAM ANDRE SILVA M.D. (NPI 1861413965) is an individual obstetrics & gynecology provider in Mount Vernon, Washington, licensed in Washington (MD00044925) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1861413965
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameWILLIAM ANDRE SILVACredential: M.D.
Location Address125 N 18TH ST STE AMount Vernon, WA 98273-3902
Mailing AddressPo Box 34703Seattle, WA 98124-1703 · (253) 681-6626
Phone(605) 885-5703
Fax(360) 588-5562
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateJuly 22, 2006
Last NPPES UpdateFebruary 18, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 18, 2026
✔ NPI 1861413965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD00044925
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.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License MD00044925 (WA)
Also ListedUrologyTaxonomy 208800000X · License MD00044925 (WA)
Also ListedHospitalistTaxonomy 208M00000X · License MD00044925 (WA)
125 N 18TH ST STE A, Mount Vernon, WA 98273
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1400 S 43rd StRenton, WA 98055-5714 · Phone (425) 228-3440
Location 2191 N Sunrise WayPalm Springs, CA 92262-5201 · Phone (760) 778-2210
Location 3903 Medical Center DrArlington, WA 98223-1697 · Phone (360) 329-7897 · Fax (360) 925-2898

Other Identifiers 9

Other0307100WA · L&i
Other1205015112Type 2 (group/organizational) Npi
OtherG8917673WA · Medicare Ptan For Group (arlington, Wa)
OtherG8917674WA · Medicare Ptan For Individual (arlington, Wa)
Other1205015112WA · Medicaid Billing Provider #
Other1861413965WA · Medicaid Rendering Provider #
Medicaid1020741WA
Other1861413965Type 1 (individual) Npi
Other2025944WA · Provider One # (linked To Type 2 Npi)

Accepted Insurance

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

William Andre Silva 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 ID42114639
PECOS Enrollment IDI20050817000965
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

5

Medicare enrollment records show William Silva reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sea Mar Community Health Centers
Same address
Federally Qualified Health Center (FQHC)
125 N 18TH ST STE A
Mount Vernon, WA 98273
  • Reassigned Medicare billing, Washington enrollment
  • 525 clinicians in this Medicare group
NPI 1023247541 (360) 588-5570
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
Obstetrix Medical Group Of Washington Inc Ps
56 mi
Maternal & Fetal Medicine
1229 MADISON ST STE 750
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 129 clinicians in this Medicare group
NPI 1861599573 (206) 386-2101
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.

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98273 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.

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.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%84 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%84 patients5/55-star benchmark: 100%
Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months
100%78 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

SEA MAR COMMUNITY HEALTH CENTERS
Clinic/Center (Federally Qualified Health Center (FQHC))
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (360) 588-5570
SEA MAR COMMUNITY HEALTH CENTERS
Clinic/Center (Federally Qualified Health Center (FQHC))
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (360) 848-6616
ELVIA ZAVALA-SUAREZ MSW
Counselor
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (360) 848-6616
MISS BARBARA H PRINGLE MD
Specialist
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (360) 428-3068
DR. NOTIE ANDREA IYEN ERHAHON M.D
Pediatrics
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (605) 885-5703
DR. ROBERT W PRINGLE MD
Specialist
125 N 18TH ST STE A
MOUNT VERNON, WA 98273
Skagit County (360) 428-3068

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 William Silva's NPI number?

The NPI number for William Silva is 1861413965. It was assigned to this individual provider in the NPPES registry on July 22, 2006.

Where is William Silva located?

William Silva practices at 125 N 18th St Ste A, Mount Vernon, WA 98273. The listed phone number is (605) 885-5703.

What is William Silva's specialty?

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

Is William Silva enrolled in Medicare?

Yes. William Silva 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 William Silva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Silva reassigns Medicare benefits to 5 organizations: Sea Mar Community Health Centers (Mount Vernon, WA), King County Public Hospital District No 2 (Bothell, WA), Obhg Washington, PC (Silverdale, WA), Obstetrix Medical Group Of Washington Inc Ps (Seattle, WA) and Valley Medical Group-Renton (Renton, WA). 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 William Silva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Silva accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list William Silva 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 William Silva affiliated with any hospitals?

According to CMS data, William Silva is affiliated with Skagit Valley Hospital.

When was this NPI record last updated?

The NPPES record for William Silva was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.