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DR. NOLLI SILVA RIORDAN M.D.
NPI 1124110192
Surgery in Alameda, CA

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment
90.32/100
CMS Quality Rating
1002 CENTRAL AVE, ALAMEDA, CA 94501(510) 521-6078(510) 521-6079 Get Directions Write a Review

NPPES record last updated: June 5, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nolli Silva Riordan M.d. NPPES

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

DR. NOLLI SILVA RIORDAN M.D. (NPI 1124110192) is an individual surgery provider in Alameda, California, licensed in California (G81855) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (1993).

NPPES Registry Identity

NPI1124110192
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. NOLLI SILVA RIORDANCredential: M.D.
Location Address1002 CENTRAL AVEAlameda, CA 94501-2306
Mailing Address1320 El Capitan Dr, Ste 120Danville, CA 94526-6260 · (925) 676-2600 · Fax (925) 680-0212
Phone(510) 521-6078
Fax(510) 521-6079
Sole ProprietorYes
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 1993
Enumeration DateSeptember 28, 2006
Last NPPES UpdateJune 5, 2020
NPPES CertifiedJune 5, 2020
✔ NPI 1124110192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G81855
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1002 CENTRAL AVE, Alameda, CA 94501
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Other Names 1

Professional Name (2)Dr. Nolli Kalama Silva M.d.

Other Identifiers 1

OtherBR238Medicare Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nolli Silva Riordan 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 ID3779654710
PECOS Enrollment IDI20080618000313
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94501 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

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.

90.32/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.4
Promoting Interoperability100
Improvement Activities40
Cost56.04

Other Providers at the Same Location NPPES 3

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

AAI HEALTH SERVICES
Nurse Practitioner (Family)
1002 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 521-6078
AAI HEALTH SERVICES
Nurse Practitioner (Family)
1002 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 521-6078
AAIHEALTHSERVICE
Clinic/Center (Health Service)
1002 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 521-6078

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 Nolli Riordan's NPI number?

The NPI number for Nolli Riordan is 1124110192. It was assigned to this individual provider in the NPPES registry on September 28, 2006. The provider is also known as Dr. Nolli Kalama Silva M.D..

Where is Nolli Riordan located?

Nolli Riordan practices at 1002 Central Ave, Alameda, CA 94501. The listed phone number is (510) 521-6078.

What is Nolli Riordan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Nolli Riordan enrolled in Medicare?

Yes. Nolli Riordan 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.

When was this NPI record last updated?

The NPPES record for Nolli Riordan was last updated on June 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.