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DR. ROBERT CASILLAS MD
NPI 1316983117
Surgery in Sacramento, CA

Active since June 21, 2006PECOS EnrolledAccepts Medicare Assignment
2315 STOCKTON BLVD, DEPARTMENT OF SURGERY, SACRAMENTO, CA 95817(916) 734-7290(916) 734-3951 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert Casillas Md NPPES

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

DR. ROBERT CASILLAS MD (NPI 1316983117) is an individual surgery provider in Sacramento, California, licensed in California (A82946) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2001).

NPPES Registry Identity

NPI1316983117
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ROBERT CASILLASCredential: MD
Location Address2315 STOCKTON BLVD, DEPARTMENT OF SURGERYSacramento, CA 95817-2201
Mailing Address2315 Stockton Blvd, Department Of SurgerySacramento, CA 95817-2201 · (916) 734-7290 · Fax (916) 734-3951
Phone(916) 734-7290
Fax(916) 734-3951
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2001
Enumeration DateJune 21, 2006
Last NPPES UpdateDecember 1, 2021
✔ NPI 1316983117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A82946
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.
2315 STOCKTON BLVD, Sacramento, CA 95817
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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. Robert Casillas 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 ID5092718916
PECOS Enrollment IDI20060815000373
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 Reassignment

Medicare enrollment records show Robert Casillas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
254 mi
Health Maintenance Organization
9100 ROSEDALE HWY
Bakersfield, CA 93312
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1982863783 (California)
  • 5,228 clinicians in this Medicare group
NPI 1316572753 (877) 608-0044

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 95817 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
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.

KATHLEEN STUCKER
Social Worker (Clinical)
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-5628
MARIA ISABEL AGUILAR
Registered Nurse
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-8730
NATHAN JACOB VANDEN BERGE
Emergency Medicine
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-8570
PETER SANTIAGO C.O., C.PED., FAAOP
Specialist
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-7045
SHIELA LEIGH SAMSON ANGULO DO
Student in an Organized Health Care Education/Training Program
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-5974
MS. KATHLEEN DOLORES VAN LEEUWEN MD
Surgery (Pediatric Surgery)
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3229
STEPHEN MULFORD
Physical Therapy Assistant
2315 STOCKTON BLVD, ROOM 0512
SACRAMENTO, CA 95817
Sacramento County (916) 734-7248
MR. MARK YAMADA
Occupational Therapist
2315 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-7248

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 Robert Casillas's NPI number?

The NPI number for Robert Casillas is 1316983117. It was assigned to this individual provider in the NPPES registry on June 21, 2006.

Where is Robert Casillas located?

Robert Casillas practices at 2315 Stockton Blvd Department Of Surgery, Sacramento, CA 95817. The listed phone number is (916) 734-7290.

What is Robert Casillas's specialty?

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

Is Robert Casillas enrolled in Medicare?

Yes. Robert Casillas 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 organization bills Medicare for Robert Casillas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Casillas reassigns Medicare benefits to Southern California Permanente Medical Group (Bakersfield, CA). The 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 Robert Casillas'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 Robert Casillas was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.