AMILA RUWAN SILVA MD
NPI 1083855670
Ophthalmology in Stanford, CA

Active since March 12, 2009PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 7, 2025, Apr 4, 2024, Mar 16, 2021 (3 updates tracked since 2021).

About Amila Ruwan Silva Md NPPES

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

AMILA RUWAN SILVA MD (NPI 1083855670) is an individual ophthalmology provider in Stanford, California, licensed in California (A121303) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2008).

NPPES Registry Identity

NPI1083855670
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameAMILA RUWAN SILVACredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2008
Enumeration DateMarch 12, 2009
Last NPPES UpdateApril 7, 20253 updates tracked since enumeration
NPPES CertifiedApril 7, 2025
✔ NPI 1083855670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in CA · A121303✔ Licensed in FL · ME149236
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedOphthalmology · Retina SpecialistTaxonomy 207WX0107X · License ME149236 (FL), MD489121 (PA)
300 PASTEUR DR, Stanford, CA 94305

Other Names 1

Other Name (5)Ruwan A Silva Md

Other Identifiers 1

OtherME149236FL · Medical License

Accepted 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

Amila Ruwan Silva 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 ID1153577150
PECOS Enrollment IDI20120807000626, I20250725004210
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

9

Medicare enrollment records show Amila Silva reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
Ambulatory Surgical
795 EL CAMINO REAL
Palo Alto, CA 94301
  • Reassigned Medicare billing, California enrollment
  • 393 clinicians in this Medicare group
Retina Specialist
1471 SARATOGA AVE STE 200
San Jose, CA 95129
  • Reassigned Medicare billing, California enrollment
Retina Specialist
615 INTERNATIONAL PKWY STE 103
Tracy, CA 95377
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
Ophthalmology
622 ABBOTT ST
Salinas, CA 93901
  • Reassigned Medicare billing, California enrollment
  • 26 clinicians in this Medicare group
Ophthalmology
300 STATE ST, SUITE 201
Erie, PA 16507
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 11 clinicians in this Medicare group
Ophthalmology
257 LAFAYETTE AVE STE 350
Suffern, NY 10901
  • Reassigned Medicare billing, New York enrollment
  • 11 clinicians in this Medicare group
Ophthalmology
1255 BROAD ST STE 104
Bloomfield, NJ 07003
  • Reassigned Medicare billing, New Jersey enrollment
  • 137 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.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, faricimab-svoa, 0.1 mg J2777
Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.
24,840 services118 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
1,728 services840 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
1,482 services724 patients
Injection of drug into eye 67028
An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.
1,011 services288 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
730 services472 patients
Extended exam of the back part of the eye with retinal drawing 92201
This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.
380 services284 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Amila Silva's NPI number?

The NPI number for Amila Silva is 1083855670. It was assigned to this individual provider in the NPPES registry on March 12, 2009. The provider is also known as Ruwan A Silva MD.

Where is Amila Silva located?

Amila Silva practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Amila Silva's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Amila Silva enrolled in Medicare?

Yes. Amila 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 Amila Silva's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amila Silva reassigns Medicare benefits to 9 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Sutter Bay Medical Foundation (Palo Alto, CA), Retina Consultants Of California (San Jose, CA), Vitreo-Retinal Medical Group, Inc (Tracy, CA) and 4 more organizations, 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 Amila Silva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amila Silva accept?

Health plans from Oscar Health list Amila 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.

When was this NPI record last updated?

The NPPES record for Amila Silva was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.